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  1. Interfacial charges and electroluminescence in bilayer organic light-emitting diodes with different hole transport materials

    Article • Japanese Journal of Applied Physics, May 2019, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  2. Negative capacitance of bilayer organic light-emitting diodes—its correlation with current efficiency and device lifetime

    Article • Japanese Journal of Applied Physics, May 2019, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  3. Determination of bimolecular recombination constants in organic double-injection devices using impedance spectroscopy

    Article • Applied Physics Letters, March 2019, American Institute of Physics

    professor and director of department Hiroyoshi Naito

  4. Full characterization of electronic transport properties in working polymer light-emitting diodes via impedance spectroscopy

    Article • Journal of Applied Physics, March 2019, American Institute of Physics

    professor and director of department Hiroyoshi Naito

  5. Determination of Interface-State Distributions in Polymer-Based Metal-Insulator-Semiconductor Capacitors by Impedance Spectroscopy

    Article • Applied Sciences, August 2018, MDPI AG

    professor and director of department Hiroyoshi Naito

  6. Triplet-triplet annihilation in a thermally activated delayed fluorescence emitter lightly doped in a host

    Article • Applied Physics Letters, August 2018, American Institute of Physics

    professor and director of department Hiroyoshi Naito

  7. Influence of Substrate Modification with Dipole Monolayers on the Electrical Characteristics of Short-Channel Polymer Field-Effect Transistors

    Article • Applied Sciences, August 2018, MDPI AG

    professor and director of department Hiroyoshi Naito

  8. Electron injection in inverted organic light-emitting diodes with poly(ethyleneimine) electron injection layers

    Article • Organic Electronics, November 2017, Elsevier

    professor and director of department Hiroyoshi Naito

  9. Hole- and electron-only transport in ratio-controlled organic co-deposited films observed by impedance spectroscopy

    Article • Organic Electronics, November 2017, Elsevier

    professor and director of department Hiroyoshi Naito

  10. Efficient Skin Temperature Sensor and Stable Gel-Less Sticky ECG Sensor for a Wearable Flexible Healthcare Patch

    Article • Advanced Healthcare Materials, June 2017, Wiley

    professor and director of department Hiroyoshi Naito

  11. Photoluminescence Properties of Polymorphic Modifications of Low Molecular Weight Poly(3-hexylthiophene)

    Article • Nanoscale Research Letters, May 2017, Springer Science + Business Media

    professor and director of department Hiroyoshi Naito

  12. Hall Effect in Bulk-Doped Organic Single Crystals

    Article • Advanced Materials, April 2017, Wiley

    professor and director of department Hiroyoshi Naito

  13. Control of the Singlet–Triplet Energy Gap in a Thermally Activated Delayed Fluorescence Emitter by Using a Polar Host Matrix

    Article • Nanoscale Research Letters, April 2017, Springer Science + Business Media

    professor and director of department Hiroyoshi Naito

  14. Flexible and Printed Electronics

    Article • Japanese Journal of Applied Physics, March 2017, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  15. Contributions of a Higher Triplet Excited State to the Emission Properties of a Thermally Activated Delayed-Fluorescence Emitter

    Article • Physical Review Applied, March 2017, American Physical Society (APS)

    professor and director of department Hiroyoshi Naito

  16. Single crystal organic photovoltaic cells using lateral electron transport

    Article • Organic Electronics, February 2017, Elsevier

    professor and director of department Hiroyoshi Naito

  17. Inverted organic light-emitting diodes with an electrochemically deposited zinc oxide electron injection layer

    Article • Journal of Applied Physics, November 2016, American Institute of Physics

    professor and director of department Hiroyoshi Naito

  18. Synthesis of a Conjugated D-A Polymer with Bi(disilanobithiophene) as a New Donor Component

    Article • Molecules, June 2016, MDPI AG

    professor and director of department Hiroyoshi Naito

  19. Disilanobithiophene-dithienylbenzothiadiazole alternating polymer as donor material of bulk heterojunction polymer solar cells

    Article • Synthetic Metals, May 2016, Elsevier

    professor and director of department Hiroyoshi Naito

  20. High operational stability of solution-processed organic field-effect transistors with top-gate configuration

    Article • Organic Electronics, May 2016, Elsevier

    professor and director of department Hiroyoshi Naito

  21. Chemical Functionalisation and Photoluminescence of Graphene Quantum Dots

    Article • Chemistry - A European Journal, April 2016, Wiley

    professor and director of department Hiroyoshi Naito

  22. Amorphous Solid Simulation and Trial Fabrication of the Organic Field-Effect Transistor of Tetrathienonaphthalenes Prepared by Using Microflow Photochemical Reactions: A Theoretical Calculation-Inspired Investigation

    Article • The Journal of Organic Chemistry, April 2016, American Chemical Society (ACS)

    professor and director of department Hiroyoshi Naito

  23. Degradation of Bilayer Organic Light-Emitting Diodes Studied by Impedance Spectroscopy

    Article • Journal of Nanoscience and Nanotechnology, April 2016, American Scientific Publishers

    professor and director of department Hiroyoshi Naito

  24. Effects of Bimolecular Recombination on Impedance Spectra in Organic Semiconductors: Analytical Approach

    Article • Journal of Nanoscience and Nanotechnology, April 2016, American Scientific Publishers

    professor and director of department Hiroyoshi Naito

  25. Fabrication of Vertical Molecular Junction Devices with Conductive Polymer Contacts Using a Peeling Method

    Article • Journal of Nanoscience and Nanotechnology, April 2016, American Scientific Publishers

    professor and director of department Hiroyoshi Naito

  26. Simple Calculation of Power Conversion Efficiency of PC61BM and PC71BM Based Organic Solar Cells—Good Agreement with Experiments in Donor Materials with Different Band Gap Energies

    Article • Journal of Nanoscience and Nanotechnology, April 2016, American Scientific Publishers

    professor and director of department Hiroyoshi Naito

  27. Temperature Dependence of Field-Effect Mobility in Organic Thin-Film Transistors: Similarity to Inorganic Transistors

    Article • Journal of Nanoscience and Nanotechnology, April 2016, American Scientific Publishers

    professor and director of department Hiroyoshi Naito

  28. Determination of deep trapping lifetime in organic semiconductors using impedance spectroscopy

    Article • Applied Physics Letters, February 2016, American Institute of Physics

    professor and director of department Hiroyoshi Naito

  29. Inverted organic light-emitting diodes using different transparent conductive oxide films as a cathode

    Article • Japanese Journal of Applied Physics, January 2016, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  30. Write-once memory effects observed in Ga-doped ZnO/organic semiconductor/MoO3/Au structures

    Article • Japanese Journal of Applied Physics, January 2016, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  31. Effects of silica nanoparticle addition on polymer semiconductor wettability and carrier mobility in solution-processable organic transistors on hydrophobic substrates

    Article • Journal of Polymer Science Part B Polymer Physics, October 2015, Wiley

    professor and director of department Hiroyoshi Naito

  32. Luminescent Thin Films Composed of Nanosized Europium Coordination Polymers on Glass Electrodes

    Article • ChemPlusChem, October 2015, Wiley

    professor and director of department Hiroyoshi Naito

  33. Solution-processed dinaphtho[2,3-b:2′,3′-f]thieno[3,2-b]thiophene transistor memory based on phosphorus-doped silicon nanoparticles as a nano-floating gate

    Article • Applied Physics Express, September 2015, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  34. Synthesis of new D-A polymers containing disilanobithiophene donor and application to bulk heterojunction polymer solar cells

    Article • Polymer Journal, August 2015, Springer Science + Business Media

    professor and director of department Hiroyoshi Naito

  35. Optical Properties of Three Differently Colored Crystal Modifications of a 2,3-Dicyanopyrazine Dye

    Article • Bulletin of the Chemical Society of Japan, May 2015, The Chemical Society of Japan

    professor and director of department Hiroyoshi Naito

  36. Characterization of transport properties of organic semiconductors using impedance spectroscopy

    Article • Journal of Materials Science Materials in Electronics, April 2015, Springer Science + Business Media

    professor and director of department Hiroyoshi Naito

  37. High-performance and electrically stable solution-processed polymer field-effect transistors with a top-gate configuration

    Article • Japanese Journal of Applied Physics, December 2014, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  38. Soluble Organic Semiconductor Precursor with Specific Phase Separation for High-Performance Printed Organic Transistors

    Article • Advanced Materials, November 2014, Wiley

    professor and director of department Hiroyoshi Naito

  39. Temperature dependence of photoluminescence properties in a thermally activated delayed fluorescence emitter

    Article • Applied Physics Letters, May 2014, American Institute of Physics

    professor and director of department Hiroyoshi Naito

  40. Angular distribution of field-effect mobility in oriented poly[5,5′-bis(3-dodecyl-2-thienyl)-2,2′-bithiophene] fabricated by roll-transfer printing

    Article • Applied Physics Letters, March 2014, American Institute of Physics

    professor and director of department Hiroyoshi Naito

  41. Continuous-wave photoinduced absorption study on trapped carriers in bulk-heterojunction solar cells connected to load

    Article • Thin Solid Films, March 2014, Elsevier

    professor and director of department Hiroyoshi Naito

  42. High performance top-gate field-effect transistors based on poly(3-alkylthiophenes) with different alkyl chain lengths

    Article • Organic Electronics, February 2014, Elsevier

    professor and director of department Hiroyoshi Naito

  43. Effect of contact resistance on mobility determination by impedance spectroscopy

    Article • Japanese Journal of Applied Physics, January 2014, Institute of Physics Publishing

    professor and director of department Hiroyoshi Naito

  44. Response to “Comment on ‘The origin of non-Drude terahertz conductivity in nanomaterials”’ [Appl. Phys. Lett. 102, 096101 (2013)]

    Article • Applied Physics Letters, March 2013, American Institute of Physics

    professor and director of department Hiroyoshi Naito

  45. Structure of electron collection electrode in dye-sensitized nanocrystalline TiO2

    Article • Electrochimica Acta, January 2013, Elsevier

    professor and director of department Hiroyoshi Naito

  46. Third-order optical susceptibility of ordered and disordered polyfluorene thin films

    Article • Journal of Non-Crystalline Solids, September 2012, Elsevier

    professor and director of department Hiroyoshi Naito

  47. Bipolar carrier transport in tris(8-hydroxy-quinolinato) aluminum observed by impedance spectroscopy measurements

    Article • Journal of Applied Physics, August 2011, American Institute of Physics

    professor and director of department Hiroyoshi Naito

  48. Enhancement of Third-Order Optical Susceptibility in Polythiophene Thin Films Fabricated by Drop Casting Using Anhydrous Solvent

    Article • Japanese Journal of Applied Physics, July 2011, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  49. Oscillatory Structure in the Electroabsorption Spectrum of π-Conjugated Polymer Thin Films: How to Identify the Franz–Keldysh Oscillation

    Article • Journal of the Physical Society of Japan, March 2011, Physical Society of Japan

    professor and director of department Hiroyoshi Naito

  50. Air-mediated self-organization of polymer semiconductors for high-performance solution-processable organic transistors

    Article • Applied Physics Letters, February 2011, American Institute of Physics

    professor and director of department Hiroyoshi Naito

  51. Continuous-wave photoinduced absorption studies in polythiophene and fullerene blended thin films

    Article • Physical Review B, January 2011, American Physical Society (APS)

    professor and director of department Hiroyoshi Naito

  52. Synthesis and Solid-state Optical Properties of 2,3-Dialkyl- and 2,3,8,9-Tetraalkyltetracenes

    Article • Chemistry Letters, January 2011, The Chemical Society of Japan

    professor and director of department Hiroyoshi Naito

  53. Octaalkyl tetracene-1,2,3,4,7,8,9,10-octacarboxylates: synthesis by twofold [2+2+2] cocyclization and crystallochromy

    Article • Chemical Communications, January 2011, Royal Society of Chemistry

    professor and director of department Hiroyoshi Naito

  54. Synthesis and Properties of anti/syn-Regioisomeric Mixtures of Alkyl-Substituted Tetracenes

    Article • Heterocycles, January 2011, Japan Institute of Heterocyclic Chemistry

    professor and director of department Hiroyoshi Naito

  55. 1,4,5,8-Tetra-n-butylanthracene

    Article • Acta Crystallographica Section E Structure Reports Online, September 2010, International Union of Crystallography

    professor and director of department Hiroyoshi Naito

  56. Drastic Improvement in Wettability of 6,13-Bis(triisopropylsilylethynyl)pentacene by Addition of Silica Nanoparticles for Solution-Processable Organic Field-Effect Transistors

    Article • Applied Physics Express, September 2010, Institute of Physics Publishing

    professor and director of department Hiroyoshi Naito

  57. Device characteristics of short-channel polymer field-effect transistors

    Article • Applied Physics Letters, August 2010, American Institute of Physics

    professor and director of department Hiroyoshi Naito

  58. 1,4,5,8-Tetraisopropylanthracene

    Article • Acta Crystallographica Section E Structure Reports Online, August 2010, International Union of Crystallography

    professor and director of department Hiroyoshi Naito

  59. Field-effect transistor characteristics and microstructure of regioregular poly(3-hexylthiophene) on alkylsilane self-assembled monolayers prepared by microcontact printing

    Article • Organic Electronics, July 2010, Elsevier

    professor and director of department Hiroyoshi Naito

  60. Synthesis, Optical Properties, and Crystal Structure of 1,4-Dipropyltetracene

    Article • European Journal of Organic Chemistry, May 2010, Wiley

    professor and director of department Hiroyoshi Naito

  61. 1,4,7,10-Tetraisoalkyltetracenes: Tuning of Solid-State Optical Properties and Fluorescence Quantum Yields by Peripheral Modulation

    Article • European Journal of Organic Chemistry, April 2010, Wiley

    professor and director of department Hiroyoshi Naito

  62. Effective Rotational Viscosity of Vertical Alignment Nematic Liquid Crystal Cells

    Article • Molecular Crystals and Liquid Crystals, February 2010, Taylor & Francis

    professor and director of department Hiroyoshi Naito

  63. Electroabsorption study of ordered polyfluorene thin films: Origin of oscillatory structure near the bottom of the continuum state

    Article • Physical Review B, February 2010, American Physical Society (APS)

    professor and director of department Hiroyoshi Naito

  64. Impedance spectroscopy measurements of charge carrier mobility in 4,4'-N,N'-dicarbazole-biphenyl thin films doped with tris(2-phenylpyridine) iridium

    Article • Thin Solid Films, November 2009, Elsevier

    professor and director of department Hiroyoshi Naito

  65. The origin of anomalous optical conductivity in metallic polymers: A unified model

    Article • Philosophical Magazine Letters, November 2009, Taylor & Francis

    professor and director of department Hiroyoshi Naito

  66. Weak anchoring of nematic liquid crystals on photo-induced surface relief gratings of organic polysilane

    Article • Thin Solid Films, November 2009, Elsevier

    professor and director of department Hiroyoshi Naito

  67. Preparation, Crystal Structure, and Solid-state Fluorescence of a CH2Cl2-solvated Crystal of 6,13-Bis(t-butylphenyl)-2,3,9,10-tetrapropoxypentacene

    Article • Chemistry Letters, June 2009, The Chemical Society of Japan

    professor and director of department Hiroyoshi Naito

  68. Determination of localized-state distributions in organic light-emitting diodes by impedance spectroscopy

    Article • Applied Physics Letters, January 2009, American Institute of Physics

    professor and director of department Hiroyoshi Naito

  69. Surface Modification of Organic–Inorganic Hybrid Insulator for Printable Organic Field-effect Transistors

    Article • Chemistry Letters, January 2009, The Chemical Society of Japan

    professor and director of department Hiroyoshi Naito

  70. Determination of Charge-Carrier Mobility in Organic Light-Emitting Diodes by Impedance Spectroscopy in Presence of Localized States

    Article • Japanese Journal of Applied Physics, December 2008, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  71. Anisotropic optical properties of aligned β-phase polyfluorene thin films

    Article • Thin Solid Films, December 2008, Elsevier

    professor and director of department Hiroyoshi Naito

  72. Characteristics of 4H-SiC Pt-gate metal-semiconductor field-effect transistor for use at high temperatures

    Article • Thin Solid Films, December 2008, Elsevier

    professor and director of department Hiroyoshi Naito

  73. Correlation between the crystallization of polyfluorene and the surface free energy of substrates

    Article • Thin Solid Films, December 2008, Elsevier

    professor and director of department Hiroyoshi Naito

  74. Effective control of surface property on poly(silsesquioxane) films by chemical modification

    Article • Thin Solid Films, December 2008, Elsevier

    professor and director of department Hiroyoshi Naito

  75. Effects of viscosities on the transient current in homeotropic nematic liquid crystal cells

    Article • Thin Solid Films, December 2008, Elsevier

    professor and director of department Hiroyoshi Naito

  76. Electrical characteristics of polymer field-effect transistors with poly(methylsilsesquioxane) gate dielectrics on plastic substrates

    Article • Thin Solid Films, December 2008, Elsevier

    professor and director of department Hiroyoshi Naito

  77. Measurement of viscosities from the transient current of nematic liquid crystals with negative dielectric anisotropy

    Article • Thin Solid Films, December 2008, Elsevier

    professor and director of department Hiroyoshi Naito

  78. Effects of Fluid Flow on Electric-Field-Induced Director Reorientation in Homogeneous and Homeotropic Nematic Liquid Crystal Cells, Probed by Transient Current Measurements

    Article • Japanese Journal of Applied Physics, October 2008, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  79. Study on Facile Synthesis, Crystal Structure, and Solid-State Fluorescence of Dicyclohexane-Annelated Anthracene

    Article • Bulletin of the Chemical Society of Japan, June 2008, The Chemical Society of Japan

    professor and director of department Hiroyoshi Naito

  80. Photoconductivity in organic TPD films: Effects of photoadsorption of O2 and N2

    Article • Journal of Non-Crystalline Solids, May 2008, Elsevier

    professor and director of department Hiroyoshi Naito

  81. Fabrication and Characterization of Poly(3-hexylthiophene)-Based Field-Effect Transistors with Silsesquioxane Gate Insulators

    Article • Japanese Journal of Applied Physics, April 2008, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  82. A study of α- and β-phase poly(9,9-dioctylfluorene) by electroabsorption spectroscopy

    Article • Thin Solid Films, March 2008, Elsevier

    professor and director of department Hiroyoshi Naito

  83. Analysis of time-of-flight transient photocurrent in organic semiconductors with coplanar-blocking-electrodes configuration

    Article • Thin Solid Films, March 2008, Elsevier

    professor and director of department Hiroyoshi Naito

  84. Relationship between Resistivity and Structure of Photosensitive Organic Silsesquioxanes by Impedance Spectroscopy and Solid-State29Si Nuclear Magnetic Resonance

    Article • Japanese Journal of Applied Physics, February 2008, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  85. Preparation and Dielectric Property of Photo-Curable Polysilsesquioxane Hybrids

    Article • Journal of Photopolymer Science and Technology, January 2008, Technical Association of Photopolymers, Japan

    professor and director of department Hiroyoshi Naito

  86. Influence of Alkyl Chain Length on the Solid-State Packing and Fluorescence of 1,4,5,8-Tetra(alkyl)anthracenes

    Article • Molecular Crystals and Liquid Crystals, November 2007, Taylor & Francis

    professor and director of department Hiroyoshi Naito

  87. Preparation and Optical Properties of Aligned β-Phase Polyfluorene Thin Films

    Article • Japanese Journal of Applied Physics, November 2007, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  88. Optical properties of air-stable semiconducting copolymer based on polythiophene

    Article • Applied Physics Letters, October 2007, American Institute of Physics

    professor and director of department Hiroyoshi Naito

  89. Amplified spontaneous emission in α-phase and β-phase polyfluorene waveguides

    Article • Organic Electronics, April 2007, Elsevier

    professor and director of department Hiroyoshi Naito

  90. Electronic structure of a glassy poly(9,9-dioctylfluorene) thin film determined using linear and nonlinear spectroscopies

    Article • Physical Review B, January 2007, American Physical Society (APS)

    professor and director of department Hiroyoshi Naito

  91. Conformational polymorphism and optical properties in the solid state of 1,4,7,10-tetra(n-butyl)tetracene

    Article • CrystEngComm, January 2007, Royal Society of Chemistry

    professor and director of department Hiroyoshi Naito

  92. Influence of nanometer-size interface roughness on light transmission in polyfluorene waveguides studied by amplified spontaneous emission measurements

    Article • Current Applied Physics, September 2006, Elsevier

    professor and director of department Hiroyoshi Naito

  93. Charge Carrier Transport in Red Electrophosphorescent Emitting Layer

    Article • Japanese Journal of Applied Physics, July 2006, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  94. Fabrication of α- and β-phase poly(9,9-dioctylfluorene) thin films

    Article • Thin Solid Films, June 2006, Elsevier

    professor and director of department Hiroyoshi Naito

  95. Optical properties of ultraviolet-light soaked states in polyfluorene thin films

    Article • Thin Solid Films, June 2006, Elsevier

    professor and director of department Hiroyoshi Naito

  96. Photo-carrier transport in disordered organic TPD films

    Article • Journal of Non-Crystalline Solids, June 2006, Elsevier

    professor and director of department Hiroyoshi Naito

  97. Photoluminescence properties of facial- and meridional-Ir(ppy)3 thin films

    Article • Thin Solid Films, June 2006, Elsevier

    professor and director of department Hiroyoshi Naito

  98. Temperature dependence of photoluminescence in polyfluorene thin films—Huang–Rhys factors of as-coated, annealed and crystallized thin films

    Article • Thin Solid Films, March 2006, Elsevier

    professor and director of department Hiroyoshi Naito

  99. Transient photocurrent of (silicon nanocrystals)–(organic polysilane) composites—detection of surface states of silicon nanocrystals

    Article • Thin Solid Films, March 2006, Elsevier

    professor and director of department Hiroyoshi Naito

  100. Control of Effective Conjugation Length in Polyfluorene Thin Films

    Article • Japanese Journal of Applied Physics, February 2006, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  101. Emission Gain Narrowing in Dye-Doped Polymer Dispersed Liquid Crystals

    Article • Japanese Journal of Applied Physics, July 2005, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  102. Charge-carrier transport and triplet exciton diffusion in a blue electrophosphorescent emitting layer

    Article • Journal of Applied Physics, June 2005, American Institute of Physics

    professor and director of department Hiroyoshi Naito

  103. Charge Carrier Transport in Neat Thin Films of Phosphorescent Iridium Complexes

    Article • Japanese Journal of Applied Physics, June 2005, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  104. Optical properties of poly(di-n-hexylsilane)–zirconia hybrid thin films: suppression of thermochromism and large thermo-optic coefficients

    Article • Applied Physics Letters, May 2005, American Institute of Physics

    professor and director of department Hiroyoshi Naito

  105. Temperature Dependence of Photoluminescence Lifetime and Quantum Efficiency in Neatfac-Ir(ppy)3Thin Films

    Article • Japanese Journal of Applied Physics, April 2005, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  106. Amplified spontaneous emission from fluorene-based copolymer wave guides

    Article • Thin Solid Films, April 2005, Elsevier

    professor and director of department Hiroyoshi Naito

  107. Charge carrier transport in an emissive layer of green electrophosphorescent devices

    Article • Applied Physics Letters, November 2004, American Institute of Physics

    professor and director of department Hiroyoshi Naito

  108. Helical Tubular Filaments of a Smectic-A Phase in an Isotropic Phase

    Article • Molecular Crystals and Liquid Crystals, January 2004, Taylor & Francis

    professor and director of department Hiroyoshi Naito

  109. Observations of Defects in a Smectic-A Phase Coexisting with an Isotropic Phase

    Article • Molecular Crystals and Liquid Crystals, January 2004, Taylor & Francis

    professor and director of department Hiroyoshi Naito

  110. Photoconduction of (silicon nanocrystals)–(organic polysilane) composites

    Article • Journal of Organometallic Chemistry, November 2003, Elsevier

    professor and director of department Hiroyoshi Naito

  111. Photocarrier generation at nano-interfaces in organic polysilane–titania matrix hybrid thin films

    Article • Thin Solid Films, August 2003, Elsevier

    professor and director of department Hiroyoshi Naito

  112. Transport of carriers in organic light-emitting devices fabricated with ap-phenylenevinylene-derivative copolymer

    Article • Journal of Applied Physics, August 2003, American Institute of Physics

    professor and director of department Hiroyoshi Naito

  113. Charge carrier transport properties of poly (9,9-dioctylfluorene) thin films

    Article • Synthetic Metals, April 2003, Elsevier

    professor and director of department Hiroyoshi Naito

  114. Optical properties of photo-oxidized polyfluorene thin films

    Article • Synthetic Metals, April 2003, Elsevier

    professor and director of department Hiroyoshi Naito

  115. Photoinduced refractive index changes in organic polysilane-inorganic hybrid thin films

    Article • Synthetic Metals, April 2003, Elsevier

    professor and director of department Hiroyoshi Naito

  116. Polarized fluorescence of poly(9,9-dioctylfluorene) thin films on polyimide alignment layers

    Article • Synthetic Metals, April 2003, Elsevier

    professor and director of department Hiroyoshi Naito

  117. Photoluminescence Anisotropy of Ultraviolet-Light-Irradiated Organic Polysilane-Silica Hybrid Thin Films

    Article • Japanese Journal of Applied Physics, December 2002, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  118. Photoinduced Metastable States in Amorphous Organic Polysilanes Studied by the Transient Photocurrent Technique

    Article • Japanese Journal of Applied Physics, September 2002, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  119. Transient hopping transport in percolation clusters

    Article • Electrical Engineering in Japan, May 2002, Wiley

    professor and director of department Hiroyoshi Naito

  120. In0.53Ga0.47As/GaAs0.5Sb0.5/In0.52Al0.48As asymmetric type II quantum well structures lattice-matched to InP grown by molecular beam epitaxy

    Article • Journal of Crystal Growth, April 2002, Elsevier

    professor and director of department Hiroyoshi Naito

  121. Photoelectric properties of printed thin films of silicon nanocrystals dispersed in polymer binder

    Article • Journal of Non-Crystalline Solids, April 2002, Elsevier

    professor and director of department Hiroyoshi Naito

  122. Time-resolved photoluminescence study of organic polysilane–silica hybrid thin films

    Article • Journal of Non-Crystalline Solids, April 2002, Elsevier

    professor and director of department Hiroyoshi Naito

  123. Preparation of Porous Titania Thin Films from Polysilane-Titania Hybrid by UV Irradiation.

    Article • Journal of Photopolymer Science and Technology, January 2002, Technical Association of Photopolymers, Japan

    professor and director of department Hiroyoshi Naito

  124. Energy transfer in (organic polysilane)(silica matrix) hybrid thin films

    Article • Thin Solid Films, August 2001, Elsevier

    professor and director of department Hiroyoshi Naito

  125. Pattern Formation of Two-Dimensional Smectic-A Filaments

    Article • Molecular Crystals and Liquid Crystals Science and Technology Section A Molecular Crystals and Liquid Crystals, August 2001, Taylor & Francis

    professor and director of department Hiroyoshi Naito

  126. Photoelectric properties of organic polysilane containing carbazolyl side groups

    Article • Applied Physics Letters, October 2000, American Institute of Physics

    professor and director of department Hiroyoshi Naito

  127. Localized-state distributions in molecularly doped polymers determined from time-of-flight transient photocurrent

    Article • Journal of Applied Physics, July 2000, American Institute of Physics

    professor and director of department Hiroyoshi Naito

  128. Optical properties of (organic polysilane)–(inorganic matrix) hybrid thin films

    Article • Journal of Luminescence, May 2000, Elsevier

    professor and director of department Hiroyoshi Naito

  129. Electroluminescent Properties of a Novel σ*–π*Conjugated Polymer, Poly[1,1-(2,3,4,5-tetraphenylsilole)]

    Article • Japanese Journal of Applied Physics, December 1999, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  130. High resolution measurement of localized-state distributions from transient photoconductivity in amorphous and polymeric semiconductors

    Article • Journal of Applied Physics, November 1999, American Institute of Physics

    professor and director of department Hiroyoshi Naito

  131. Bipolar transport and charge-carrier generation in polymethylphenylsilane thin films containing diphenoquinone

    Article • Applied Physics Letters, July 1999, American Institute of Physics

    professor and director of department Hiroyoshi Naito

  132. Optical properties of GaAs0.5Sb0.5 and In0.53Ga0.47As/GaAs0.5Sb0.5 type II single hetero-structures lattice-matched to InP substrates grown by molecular beam epitaxy

    Article • Journal of Crystal Growth, May 1999, Elsevier

    professor and director of department Hiroyoshi Naito

  133. Enhanced Ultraviolet Emission in Polysilane Light-Emitting Diodes by Inserting a SiOxThin Layer

    Article • Japanese Journal of Applied Physics, April 1999, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  134. Transient photoconductivity study of localized-state distributions in metallophthalocyanines

    Article • Thin Solid Films, October 1998, Elsevier

    professor and director of department Hiroyoshi Naito

  135. Influences of magnetic fields on UV absorption and carrier transport in polysilanes

    Article • Solid State Communications, May 1998, Elsevier

    professor and director of department Hiroyoshi Naito

  136. Polygonal Deformation of Toroidal Smectic-A Domains in Isotropic Phase Induced by Electric-Field Application

    Article • Journal of the Physical Society of Japan, March 1998, Physical Society of Japan

    professor and director of department Hiroyoshi Naito

  137. Stability of Unduloidlike Shapes of Smectic-A Phase Grown from Isotropic Phase

    Article • Molecular Crystals and Liquid Crystals Science and Technology Section A Molecular Crystals and Liquid Crystals, September 1997, Taylor & Francis

    professor and director of department Hiroyoshi Naito

  138. Steady State Current in Nematic Liquid Crystals

    Article • Molecular Crystals and Liquid Crystals Science and Technology Section A Molecular Crystals and Liquid Crystals, September 1997, Taylor & Francis

    professor and director of department Hiroyoshi Naito

  139. Temperature Dependence of Nematic Anchoring Energy on Weak Surfaces of Polyimide Langmuir-Blodgett Films

    Article • Molecular Crystals and Liquid Crystals Science and Technology Section A Molecular Crystals and Liquid Crystals, September 1997, Taylor & Francis

    professor and director of department Hiroyoshi Naito

  140. Steady-State Current due to Ionic Carriers in Polymethylphenylsilane Thin Films

    Article • Japanese Journal of Applied Physics, August 1997, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  141. Desorption Processes of Adsorbed Impurity Ions on Alignment Layers in Nematic Liquid Crystal Cells

    Article • Molecular Crystals and Liquid Crystals Science and Technology Section A Molecular Crystals and Liquid Crystals, August 1997, Taylor & Francis

    professor and director of department Hiroyoshi Naito

  142. Numerical Simulation of Director Distribution in Nematic Liquid Crystal Cells with Weak Anchoring Boundaries

    Article • Molecular Crystals and Liquid Crystals Science and Technology Section A Molecular Crystals and Liquid Crystals, August 1997, Taylor & Francis

    professor and director of department Hiroyoshi Naito

  143. Dielectric properties of nematic liquid crystals in the ultralow frequency regime

    Article • Journal of Applied Physics, December 1996, American Institute of Physics

    professor and director of department Hiroyoshi Naito

  144. Transport and generation processes of ionic carriers in amorphous polymethylphenylsilane

    Article • Solid State Communications, November 1996, Elsevier

    professor and director of department Hiroyoshi Naito

  145. Polygonal shape transformation of a circular biconcave vesicle induced by osmotic pressure

    Article • September 1996, American Physical Society (APS)

    professor and director of department Hiroyoshi Naito

  146. Simultaneous Measurement of Rotational Viscosity, Pretilt Angle, and Dielectric Anisotropy from Transient Current in Nematic Liquid Crystal Cells

    Article • Japanese Journal of Applied Physics, May 1996, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  147. Photo-induced structural change in amorphous organic polysilanes: comparison with hydrogenated amorphous silicon

    Article • Journal of Non-Crystalline Solids, May 1996, Elsevier

    professor and director of department Hiroyoshi Naito

  148. A simple interpretation of enhancement of hole drift mobility in amorphous arsenic triselenide induced by iodine doping

    Article • Solid State Communications, December 1995, Elsevier

    professor and director of department Hiroyoshi Naito

  149. Transient photocurrent in amorphous selenium and nematic liquid crystal double layers

    Article • Journal of Applied Physics, October 1995, American Institute of Physics

    professor and director of department Hiroyoshi Naito

  150. Preferred equilibrium structures of a smectic-Aphase grown from an isotropic phase: Origin of focal conic domains

    Article • August 1995, American Physical Society (APS)

    professor and director of department Hiroyoshi Naito

  151. Origin of the inferiority of the crystalline quality in InAsxP1 − x bulk crystals grown by a solution growth method

    Article • Journal of Crystal Growth, July 1995, Elsevier

    professor and director of department Hiroyoshi Naito

  152. A Method for Determination of Rotational Viscosity and Pretilt Angle from Transient Current in Twisted Nematic Liquid Crystal Cells

    Article • Japanese Journal of Applied Physics, June 1995, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  153. New Solutions to the Helfrich Variation Problem for the Shapes of Lipid Bilayer Vesicles: Beyond Delaunay's Surfaces

    Article • Physical Review Letters, May 1995, American Physical Society (APS)

    professor and director of department Hiroyoshi Naito

  154. Observation of Adsorption and Desorption Processes of Impurity Ions in Nematic Liquid Crystal Cells

    Article • Molecular Crystals and Liquid Crystals Science and Technology Section A Molecular Crystals and Liquid Crystals, April 1995, Taylor & Francis

    professor and director of department Hiroyoshi Naito

  155. Photocurrent in a Nematic Liquid Crystal

    Article • Molecular Crystals and Liquid Crystals Science and Technology Section A Molecular Crystals and Liquid Crystals, April 1995, Taylor & Francis

    professor and director of department Hiroyoshi Naito

  156. Simple analysis of transient photoconductivity for determination of localized‐state distributions in amorphous semiconductors using Laplace transform

    Article • Journal of Applied Physics, April 1995, American Institute of Physics

    professor and director of department Hiroyoshi Naito

  157. Transient Ion Transport in Nematic Liquid Crystals

    Article • Molecular Crystals and Liquid Crystals Science and Technology Section A Molecular Crystals and Liquid Crystals, April 1995, Taylor & Francis

    professor and director of department Hiroyoshi Naito

  158. Dielectric Properties of Nematic Liquid Crystals in Low Frequency Regime

    Article • Molecular Crystals and Liquid Crystals Science and Technology Section A Molecular Crystals and Liquid Crystals, March 1995, Taylor & Francis

    professor and director of department Hiroyoshi Naito

  159. Measurement of Rotational Viscosity and Pretilt Angle in Nematics from Transient Current

    Article • Molecular Crystals and Liquid Crystals Science and Technology Section A Molecular Crystals and Liquid Crystals, March 1995, Taylor & Francis

    professor and director of department Hiroyoshi Naito

  160. Determination of Rotational Viscosity and Pretilt Angle in Nematic Liquid Crystals from Transient Current: Influence of Ionic Conduction

    Article • Molecular Crystals and Liquid Crystals Science and Technology Section A Molecular Crystals and Liquid Crystals, February 1995, Taylor & Francis

    professor and director of department Hiroyoshi Naito

  161. Transient Current Study of Ultraviolet-Light-Soaked States in n-Pentyl-p-n-Cyanobiphenyl

    Article • Japanese Journal of Applied Physics, October 1994, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  162. Light‐induced metastable states in amorphous organic polysilanes

    Article • Journal of Applied Physics, September 1994, American Institute of Physics

    professor and director of department Hiroyoshi Naito

  163. Determination of Rotational Viscosity of Nematic Liquid Crystals from Transient Current: Numerical Analysis and Experiment

    Article • Japanese Journal of Applied Physics, June 1994, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  164. Scanning tunneling microscopy using a ZnO whisker tip

    Article • Applied Physics Letters, June 1994, American Institute of Physics

    professor and director of department Hiroyoshi Naito

  165. Relations between transient charge transport and the glass-transition temperature in amorphous chalcogenides

    Article • April 1994, American Physical Society (APS)

    professor and director of department Hiroyoshi Naito

  166. Determination of localized‐state distributions in amorphous semiconductors from transient photoconductivity

    Article • Applied Physics Letters, April 1994, American Institute of Physics

    professor and director of department Hiroyoshi Naito

  167. The effect of Ag on the superconductivity of Bi2-xPbxSr2Ca2Cu3Oysuperconductors prepared by an optimum thermal procedure

    Article • Superconductor Science and Technology, April 1994, Institute of Physics Publishing

    professor and director of department Hiroyoshi Naito

  168. Method for Determination of Rotational Viscosity in Nematic Liquid Crystals

    Article • Japanese Journal of Applied Physics, January 1994, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  169. Thermal emission rate of deep localized states in amorphous arsenic triselenide

    Article • Journal of Applied Physics, October 1993, American Institute of Physics

    professor and director of department Hiroyoshi Naito

  170. Counterexample to some shape equations for axisymmetric vesicles

    Article • September 1993, American Physical Society (APS)

    professor and director of department Hiroyoshi Naito

  171. Equilibrium shapes of smectic-Aphase grown from isotropic phase

    Article • Physical Review Letters, May 1993, American Physical Society (APS)

    professor and director of department Hiroyoshi Naito

  172. Crystallization Processes of Amorphous Se: Te Thin Films Observed with Electrical Measurements

    Article • phys stat sol (a), April 1993, Wiley

    professor and director of department Hiroyoshi Naito

  173. Delayed collection field experiment in amorphous arsenic triselenide

    Article • Journal of Applied Physics, February 1993, American Institute of Physics

    professor and director of department Hiroyoshi Naito

  174. Transient charging current in nematic liquid crystals

    Article • Journal of Applied Physics, February 1993, American Institute of Physics

    professor and director of department Hiroyoshi Naito

  175. Effect of Sb, Te, and Ge Addition on Optical Recording Films with Ge2Sb2Te5 Composition

    Article • phys stat sol (a), October 1992, Wiley

    professor and director of department Hiroyoshi Naito

  176. Reversible Optical Effects in Parylene-Coated Amorphous Ga-Se-S Films

    Article • Japanese Journal of Applied Physics, October 1992, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  177. Effects of Sb and Pb doping on the high-Tcphase-formation in Bi-Sr-Ca-Cu-O superconductors

    Article • Superconductor Science and Technology, August 1992, Institute of Physics Publishing

    professor and director of department Hiroyoshi Naito

  178. Observations of SiC Mirror Damage Induced by an Argon Excimer Laser

    Article • Japanese Journal of Applied Physics, June 1992, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  179. Discussion on the Mechanism of Reversible Phase Change Optical Recording

    Article • Japanese Journal of Applied Physics, February 1992, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  180. Optimum thermal procedure for the preparation of 110 K Bi2-xPbxSr2Ca2Cu3Oysuperconductors

    Article • Superconductor Science and Technology, December 1991, Institute of Physics Publishing

    professor and director of department Hiroyoshi Naito

  181. XPS studies of (Bi,Pb)2Sr2Ca2Cu3Oy superconductors

    Article • Physica C Superconductivity, December 1991, Elsevier

    professor and director of department Hiroyoshi Naito

  182. A simple microcomputer-based modulated photocurrent spectroscopy system for the measurement of localized-state distributions in amorphous semiconductors

    Article • Measurement Science and Technology, October 1991, Institute of Physics Publishing

    professor and director of department Hiroyoshi Naito

  183. Transient currents in nematic liquid crystals

    Article • April 1991, American Physical Society (APS)

    professor and director of department Hiroyoshi Naito

  184. Defect states in ZnSe single crystals irradiated with gamma rays

    Article • Journal of Applied Physics, January 1991, American Institute of Physics

    professor and director of department Hiroyoshi Naito

  185. Transient hole transport behavior of amorphous arsenic triselenide near its glass transition temperature

    Article • Journal of Non-Crystalline Solids, January 1991, Elsevier

    professor and director of department Hiroyoshi Naito

  186. Transient photoconductivity studies of the UV light soaked state of amorphous organic polysilanes

    Article • Journal of Non-Crystalline Solids, January 1991, Elsevier

    professor and director of department Hiroyoshi Naito

  187. Opto‐optical modulation in nematic liquid crystals

    Article • Journal of Applied Physics, July 1990, American Institute of Physics

    professor and director of department Hiroyoshi Naito

  188. Sugimuraet al. reply

    Article • Physical Review Letters, March 1990, American Physical Society (APS)

    professor and director of department Hiroyoshi Naito

  189. Deep Trap Levels in Zn-Annealed ZnSe Single Crystals

    Article • phys stat sol (a), February 1990, Wiley

    professor and director of department Hiroyoshi Naito

  190. Computer simulation study of tail-state distribution in amorphous selenium

    Article • Journal of Non-Crystalline Solids, December 1989, Elsevier

    professor and director of department Hiroyoshi Naito

  191. Anomalous photoinduced current transients in nematic liquid crystals

    Article • Physical Review Letters, July 1989, American Physical Society (APS)

    professor and director of department Hiroyoshi Naito

  192. Photo-induced phenomena in transport properties of a-As2Se3

    Article • Journal of Non-Crystalline Solids, December 1987, Elsevier

    professor and director of department Hiroyoshi Naito

  193. Gap state spectroscopy in amorphous As2Se3 films

    Article • Journal of Non-Crystalline Solids, December 1985, Elsevier

    professor and director of department Hiroyoshi Naito

  194. Reversible Optical Recording Media with Ga-Se-Te System

    Article • Japanese Journal of Applied Physics, July 1985, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  195. Transient Photocurrent in Amorphous (As2Se3):Te Thin Films

    Article • Japanese Journal of Applied Physics, July 1984, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  196. Transient Photodischarge Characteristics of Photoconductors with Dispersive Transport

    Article • Japanese Journal of Applied Physics, March 1984, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  197. Carrier mobility and life time measurements in a-InxSe1−x films

    Article • Journal of Non-Crystalline Solids, December 1983, Elsevier

    professor and director of department Hiroyoshi Naito

  198. Gap State Spectroscopy in Amorphous Selenium Photoreceptors

    Article • Japanese Journal of Applied Physics, August 1983, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  199. Parylene-Coated Photovoltaic Devices of InxSe1-xFilm-ITO Structure

    Article • Japanese Journal of Applied Physics, April 1983, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  200. Reversible Optical Effects in Parylene-Coated Amorphous GaxSe1-xFilms

    Article • Japanese Journal of Applied Physics, April 1983, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  201. A PHOTO-INDUCED MEMORY EFFECT OBSERVED ON In-Si-Se SYSTEM

    Article • Le Journal de Physique Colloques, October 1982, EDP Sciences

    professor and director of department Hiroyoshi Naito

  202. PHOTO-INDUCED MICROCRYSTALLINE Inx(Si0.1Se0,9)1-x FILM-ITO SOLAR CELL

    Article • Le Journal de Physique Colloques, October 1982, EDP Sciences

    professor and director of department Hiroyoshi Naito

  203. Effect of Electron Traps on Residual Voltage in Chalcogenide Photoreceptors

    Article • Japanese Journal of Applied Physics, September 1982, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  204. A Theoretical Investigation of the Residual Voltage on Electrophotographic Plates

    Article • Japanese Journal of Applied Physics, August 1982, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  205. A Photo-Induced Memory Effect in Films of the Si–Se–In System

    Article • Japanese Journal of Applied Physics, February 1982, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito

  206. OPTICAL DLTS MEASUREMENTS OF LOCALIZED STATES IN AMORPHOUS CHALCOGENIDE SEMICONDUCTORS

    Article • Le Journal de Physique Colloques, October 1981, EDP Sciences

    professor and director of department Hiroyoshi Naito

  207. The Density of Localized States in Amorphous InxSe1-xThin Films

    Article • Japanese Journal of Applied Physics, September 1980, Japan Society of Applied Physics

    professor and director of department Hiroyoshi Naito