All Stories

  1. Structural and electronic properties of iodine-intercalated carbon nanotube fibers and their conductivity mechanism

    Article • Carbon, May 2026, Elsevier

    Dr Toshiya Okazaki

  2. Acid-Dependent Oxidation Mechanisms on Single-Walled Carbon Nanotubes Analysed by Photoinduced Force Microscopy

    Article • Nanotechnology, March 2026, Institute of Physics Publishing

    Dr Toshiya Okazaki

  3. Elucidating thixotropic behavior of aqueous colloidal slurries inducing cracks during drying

    Article • Journal of the American Ceramic Society, December 2025, Wiley

    Dr Toshiya Okazaki

  4. Single-Walled Carbon Nanotube Dispersant for the Controlled Assembly into Conductive Films, Aligned Films, and Fibers

    Article • ACS Applied Nano Materials, October 2025, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  5. Mapping aggregate transformations in dispersions with automated particle image analysis

    Article • Carbon Trends, August 2025, Elsevier

    Dr Toshiya Okazaki

  6. (Invited) Carbon Nanotube-Based Immunoassay

    Article • ECS Meeting Abstracts, July 2025, The Electrochemical Society

    Dr Toshiya Okazaki

  7. Mechanism of the negative linear temperature coefficient of resistance in defective nanocarbon materials

    Article • Applied Physics Letters, April 2025, American Institute of Physics

    Dr Toshiya Okazaki

  8. Particle size and porosity measurements of cellulose nanofibers in slurries using centrifugal sedimentation

    Article • Cellulose, January 2025, Springer Science + Business Media

    Dr Toshiya Okazaki

  9. Insights into the sequential oxidation mechanisms on the surface of carbon nanotubes by photoinduced force microscopy

    Article • Nanoscale, January 2025, Royal Society of Chemistry

    Dr Toshiya Okazaki

  10. (Invited) Bio-Inspired Method for Degrading Carbon Nanotubes

    Article • ECS Meeting Abstracts, November 2024, The Electrochemical Society

    Dr Toshiya Okazaki

  11. Evolution of microstructure and defects in sintering of tape-cast alumina laminates observed by synchrotron X-ray multiscale tomography

    Article • Ceramics International, April 2024, Elsevier

    Ryo Inoue, Dr Toshiya Okazaki

  12. Direct observation and elemental analysis of material nanoparticles in solution using scanning electron-assisted dielectric microscopy and EDS

    Article • Applied Physics Letters, February 2024, American Institute of Physics

    Dr Toshiya Okazaki

  13. Tabular Two-Dimensional Correlation Analysis for Multifaceted Characterization Data

    Article • Applied Spectroscopy, February 2024, SAGE Publications

    Dr Toshiya Okazaki

  14. Acute toxicity tests of TEMPO-oxidized cellulose nanofiber using Daphnia magna and Oryzias latipes

    Article • Cellulose, February 2024, Springer Science + Business Media

    Dr Toshiya Okazaki

  15. Preparing a liquid crystalline dispersion of carbon nanotubes with high aspect ratio

    Article • Beilstein Journal of Organic Chemistry, January 2024, Beilstein Institut

    Dr Toshiya Okazaki

  16. Quantitative analysis of the correlation between sp3 bonds and functional groups in covalently functionalized single-walled carbon nanotubes

    Article • Carbon, January 2024, Elsevier

    Dr Toshiya Okazaki

  17. Interface Engineering for High-Performance Thermoelectric Carbon Nanotube Films

    Article • ACS Applied Materials & Interfaces, December 2023, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  18. Hidden correlation between rheological dynamics and crack formation in water-based slurry

    Article • Journal of the European Ceramic Society, December 2023, Elsevier

    Ryota Watanabe, Dr Toshiya Okazaki

  19. Electrical resistivity mapping of potassium-doped few-layer CVD graphene by EBAC measurements

    Article • Journal of Physics D Applied Physics, November 2023, Institute of Physics Publishing

    Dr Toshiya Okazaki

  20. Preparing liquid crystalline dispersion of high aspect ratio carbon nanotubes

    Article • October 2023, Beilstein Institut

    Dr Toshiya Okazaki

  21. (Invited) Bio-Applications of Carbon Nanotubes for NIR Imaging Probes and Guided Bone Regeneration Membranes

    Article • ECS Meeting Abstracts, August 2023, The Electrochemical Society

    Dr Toshiya Okazaki

  22. (Invited) Precise Evaluation of Functional Group Distribution and Reaction Yield for Chemically Treated Carbon Nanohorns by Highly Sensitive SEM-EDS

    Article • ECS Meeting Abstracts, August 2023, The Electrochemical Society

    Dr Toshiya Okazaki

  23. Step-by-step characterization of a series of polyamidoamine dendrons on carbon nanohorn surface

    Article • Applied Surface Science, July 2023, Elsevier

    Dr Toshiya Okazaki

  24. Rapid room temperature degradation of carbon nanotubes by sodium hypochlorite and UV-light irradiation

    Article • Carbon, May 2023, Elsevier

    Dr Toshiya Okazaki

  25. Charge stabilization of shallow nitrogen-vacancy centers using graphene/diamond junctions

    Article • Applied Physics Letters, April 2023, American Institute of Physics

    Dr Toshiya Okazaki

  26. Size distributions of cellulose nanocrystals in dispersions using the centrifugal sedimentation method

    Article • International Journal of Biological Macromolecules, April 2023, Elsevier

    Dr Toshiya Okazaki

  27. Micro and macroscopic structure evolution of few-walled carbon nanotube bundled network by high temperature anneal

    Article • Carbon, January 2023, Elsevier

    Dr Toshiya Okazaki

  28. Visualization of deformation-induced changes in carbon nanotube networks in rubber composites using lock-in thermography

    Article • RSC Advances, January 2023, Royal Society of Chemistry

    Dr Toshiya Okazaki

  29. Preclinical evaluation of modified carbon nanohorns and their complexation with insulin

    Article • Nanoscale Advances, January 2023, Royal Society of Chemistry

    Dr Toshiya Okazaki

  30. Liquid-crystalline behaviors of single-walled carbon nanotube aqueous dispersions with different nanotube aspect ratios and surfactants

    Article • Applied Physics Express, November 2022, Institute of Physics Publishing

    Dr Toshiya Okazaki

  31. Elevated Myl9 reflects the Myl9-containing microthrombi in SARS-CoV-2–induced lung exudative vasculitis and predicts COVID-19 severity

    Article • Proceedings of the National Academy of Sciences, July 2022, Proceedings of the National Academy of Sciences

    Dr Toshiya Okazaki

  32. Liquid Crystalline Behaviors of Single-Walled Carbon Nanotubes in an Aqueous Sodium Cholate Dispersion

    Article • Langmuir, July 2022, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  33. Porosity and size analysis of porous microparticles by centrifugal sedimentation with and without density gradient

    Article • Powder Technology, July 2022, Elsevier

    Dr Toshiya Okazaki

  34. Annealing-induced enhancement of electrical conductivity and electromagnetic interference shielding in injection-molded CNT polymer composites

    Article • Polymer, April 2022, Elsevier

    Dr Toshiya Okazaki

  35. Patterning of graphene using wet etching with hypochlorite and UV light

    Article • Scientific Reports, March 2022, Springer Science + Business Media

    Dr Toshiya Okazaki

  36. Single-Walled Carbon Nanotube Membranes Accelerate Active Osteogenesis in Bone Defects: Potential of Guided Bone Regeneration Membranes

    Article • ACS Biomaterials Science & Engineering, March 2022, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  37. Comprehensive Characterization of Structural, Electrical, and Mechanical Properties of Carbon Nanotube Yarns Produced by Various Spinning Methods

    Article • Nanomaterials, February 2022, MDPI AG

    Dr Toshiya Okazaki

  38. Streptavidin-Conjugated Oxygen-Doped Single-Walled Carbon Nanotubes as Near-Infrared Labels for Immunoassays

    Article • Langmuir, January 2022, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  39. Transport property characterization of sparse CNT networks via AFM images

    Article • Surface and Interface Analysis, January 2022, Wiley

    Dr Toshiya Okazaki

  40. Removal of Carbon Nanotubes from Aqueous Solutions by Sodium Hypochlorite: Effects of Treatment Conditions

    Article • Toxics, September 2021, MDPI AG

    Dr Toshiya Okazaki

  41. Supercapacitor Electrodes of Blended Carbon Nanotubes with Diverse Conductive Porous Structures Enabling High Charge/Discharge Rates

    Article • ACS Applied Energy Materials, September 2021, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  42. Carbon Nanotube Length Distribution Estimation by One-Dimensional Plasmon Resonance for Solid-State Samples

    Article • The Journal of Physical Chemistry C, August 2021, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  43. Virtual experimentations by deep learning on tangible materials

    Article • Communications Materials, August 2021, Springer Science + Business Media

    Dr Toshiya Okazaki

  44. Novel Approaches to In-Situ ATR-FTIR Spectroscopy and Spectroscopic Imaging for Real-Time Simultaneous Monitoring Curing Reaction and Diffusion of the Curing Agent at Rubber Nanocomposite Surface

    Article • Polymers, August 2021, MDPI AG

    Dr Toshiya Okazaki

  45. N2 Gas Adsorption Sites of Single-Walled Carbon Nanotube Bundles: Identifying Interstitial Channels at Very Low Relative Pressure

    Article • Langmuir, July 2021, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  46. Possible dimensionality transition behavior in localized plasmon resonances of confinement-controlled graphene devices

    Article • Journal of Physics Communications, July 2021, Institute of Physics Publishing

    Dr Toshiya Okazaki

  47. Quantitative Surface Characterization of As-Grown and Acid-Treated Single-Walled Carbon Nanotubes: Implications for Functional Materials

    Article • ACS Applied Nano Materials, May 2021, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  48. Comparative assessments of the biodistribution and toxicity of oxidized single-walled carbon nanotubes dispersed with two different reagents after intravenous injection

    Article • Nanotoxicology, May 2021, Taylor & Francis

    Dr Toshiya Okazaki

  49. New evaluation method for the curing degree of rubber and its nanocomposites using ATR-FTIR spectroscopy

    Article • Polymer Testing, January 2021, Elsevier

    Dr Toshiya Okazaki

  50. Improved thermal stability of silicone rubber nanocomposites with low filler content, achieved by well-dispersed carbon nanotubes

    Article • Composites Communications, December 2020, Elsevier

    Dr Toshiya Okazaki

  51. Outer-Surface Covalent Functionalization of Carbon Nanohorn Spherical Aggregates Assessed by Highly Spatial-Resolved Energy-Dispersive X-ray Spectrometry in Scanning Electron Microscopy

    Article • The Journal of Physical Chemistry C, November 2020, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  52. Vertically aligned growth of small-diameter single-walled carbon nanotubes by alcohol catalytic chemical vapor deposition with Ir catalyst

    Article • Applied Surface Science, April 2020, Elsevier

    Dr. Kamal Prasad Sharma, Dr Toshiya Okazaki

  53. Confinement of Hydrogen Molecules at Graphene–Metal Interface by Electrochemical Hydrogen Evolution Reaction

    Article • The Journal of Physical Chemistry C, February 2020, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  54. Dispersions of High-Quality Carbon Nanotubes with Narrow Aggregate Size Distributions by Viscous Liquid for Conducting Polymer Composites

    Article • ACS Applied Nano Materials, January 2020, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  55. Clearance of single-wall carbon nanotubes from the mouse lung: a quantitative evaluation

    Article • Nanoscale Advances, January 2020, Royal Society of Chemistry

    Dr Toshiya Okazaki

  56. Nanotube length and density dependences of electrical and mechanical properties of carbon nanotube fibres made by wet spinning

    Article • Carbon, November 2019, Elsevier

    Dr Toshiya Okazaki

  57. Visualizing electrical network in microinjection-molded CNT polycarbonate composite

    Article • Carbon, November 2019, Elsevier

    Dr Toshiya Okazaki

  58. Nondestructive real-space imaging of energy dissipation distributions in randomly networked conductive nanomaterials

    Article • Scientific Reports, October 2019, Springer Science + Business Media

    Dr Toshiya Okazaki

  59. Quantitative Method for Analyzing Dendritic Carbon Nanotube Agglomerates in Dispersions Using Differential Centrifugal Sedimentation

    Article • The Journal of Physical Chemistry C, August 2019, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  60. Classification of Commercialized Carbon Nanotubes into Three General Categories as a Guide for Applications

    Article • ACS Applied Nano Materials, July 2019, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  61. Synthesis of endohedral-fullerenes using laser ablation plasma from solid material and vaporized fullerenes

    Article • AIP Advances, July 2019, American Institute of Physics

    Dr Toshiya Okazaki

  62. Diameter-Dependent Degradation of 11 Types of Carbon Nanotubes: Safety Implications

    Article • ACS Applied Nano Materials, June 2019, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  63. Time-dependent degradation of carbon nanotubes correlates with decreased reactive oxygen species generation in macrophages

    Article • International Journal of Nanomedicine, April 2019, Dove Medical Press

    Dr Toshiya Okazaki

  64. Characterization and Biodistribution Analysis of Oxygen-Doped Single-Walled Carbon Nanotubes Used as in Vivo Fluorescence Imaging Probes

    Article • Bioconjugate Chemistry, March 2019, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  65. A Simple Method for Removal of Carbon Nanotubes from Wastewater Using Hypochlorite

    Article • Scientific Reports, February 2019, Springer Science + Business Media

    Dr Toshiya Okazaki

  66. Imaging of local structures affecting electrical transport properties of large graphene sheets by lock-in thermography

    Article • Science Advances, February 2019, American Association for the Advancement of Science

    Dr Toshiya Okazaki

  67. Properties of natural rubber reinforced with cellulose nanofibers based on fiber diameter distribution as estimated by differential centrifugal sedimentation

    Article • International Journal of Biological Macromolecules, January 2019, Elsevier

    Dr Toshiya Okazaki

  68. Nonuniform functional group distribution of carbon nanotubes studied by energy dispersive X-ray spectrometry imaging in SEM

    Article • Nanoscale, January 2019, Royal Society of Chemistry

    Dr Toshiya Okazaki

  69. Wafer-scale and deterministic patterned growth of monolayer MoS2via vapor–liquid–solid method

    Article • Nanoscale, January 2019, Royal Society of Chemistry

    Dr Toshiya Okazaki

  70. Synthesis of sub-millimeter single-crystal grains of aligned hexagonal boron nitride on an epitaxial Ni film

    Article • Nanoscale, January 2019, Royal Society of Chemistry

    Dr Toshiya Okazaki

  71. Delayed Increase in Near-Infrared Fluorescence in Cultured Murine Cancer Cells Labeled with Oxygen-Doped Single-Walled Carbon Nanotubes

    Article • Langmuir, December 2018, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  72. Stable 1T Tungsten Disulfide Monolayer and Its Junctions: Growth and Atomic Structures

    Article • ACS Nano, December 2018, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  73. Precise Control of Localized Surface Plasmon Wavelengths Is Needed for Effective Enhancement of Triplet–Triplet Annihilation-Based Upconversion Emission

    Article • ACS Photonics, November 2018, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  74. Molecular Arrangements of Corannulene and Sumanene in Single-Walled Carbon Nanotubes

    Article • ChemNanoMat, May 2018, Wiley

    Dr Toshiya Okazaki

  75. Oxygen-doped carbon nanotubes for near-infrared fluorescent labels and imaging probes

    Article • Scientific Reports, April 2018, Springer Science + Business Media

    Dr Toshiya Okazaki

  76. Size-dependent cell uptake of carbon nanotubes by macrophages: A comparative and quantitative study

    Article • Carbon, February 2018, Elsevier

    Dr Toshiya Okazaki

  77. Quantification of Carbon Nanotubes Taken up by Macrophage Cells Using Optical Absorption Method

    Article • e-Journal of Surface Science and Nanotechnology, January 2018, Surface Science Society Japan

    Dr Toshiya Okazaki

  78. Carbon Nanotubes as Fluorescent Labels for Surface Plasmon Resonance-Assisted Fluoroimmunoassay

    Article • Sensors, November 2017, MDPI AG

    Dr Toshiya Okazaki

  79. Selective Dispersion of Large-Diameter Semiconducting Carbon Nanotubes by Functionalized Conjugated Dendritic Oligothiophenes for Use in Printed Thin Film Transistors

    Article • Advanced Functional Materials, October 2017, Wiley

    Dr Toshiya Okazaki

  80. Effect of surfactants and dispersion methods on properties of single-walled carbon nanotube fibers formed by wet-spinning

    Article • Applied Physics Express, April 2017, Institute of Physics Publishing

    Dr Toshiya Okazaki

  81. e-beam irradiation effects on IR absorption bands in single-walled carbon nanotubes

    Article • Solid State Communications, January 2017, Elsevier

    Dr Toshiya Okazaki

  82. Printed thin-film transistors and NO2 gas sensors based on sorted semiconducting carbon nanotubes by isoindigo-based copolymer

    Article • Carbon, November 2016, Elsevier

    Dr Toshiya Okazaki

  83. Thermal Stability of Oxidized Single‐Walled Carbon Nanotubes: Competitive Elimination and Decomposition Reaction Depending on the Degree of Functionalization

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

    Dr Toshiya Okazaki

  84. Spectroscopy of reactive species produced by low-energy atmospheric-pressure plasma on conductive target material surface

    Article • Journal of Physics D Applied Physics, September 2016, Institute of Physics Publishing

    Dr Toshiya Okazaki

  85. Relationship between Mechanical and Electrical Properties of Continuous Polymer-Free Carbon Nanotube Fibers by Wet-Spinning Method and Nanotube-Length Estimated by Far-Infrared Spectroscopy

    Article • The Journal of Physical Chemistry C, September 2016, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  86. Temperature dependence of plasmon resonance in single-walled carbon nanotubes

    Article • May 2016, American Physical Society (APS)

    Dr Toshiya Okazaki

  87. Flexible CMOS-Like Circuits Based on Printed P-Type and N-Type Carbon Nanotube Thin-Film Transistors

    Article • Small, May 2016, Wiley

    Dr Toshiya Okazaki

  88. Wet spinning of continuous polymer-free carbon-nanotube fibers with high electrical conductivity and strength

    Article • Applied Physics Express, April 2016, Institute of Physics Publishing

    Dr Toshiya Okazaki

  89. Near-Infrared Photoluminescence Properties of Endohedral Mono- and Dithulium Metallofullerenes

    Article • ACS Nano, April 2016, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  90. Preparation of small-sized graphene oxide sheets and their biological applications

    Article • Journal of Materials Chemistry B, January 2016, Royal Society of Chemistry

    Dr Toshiya Okazaki

  91. Printed thin film transistors and CMOS inverters based on semiconducting carbon nanotube ink purified by a nonlinear conjugated copolymer

    Article • Nanoscale, January 2016, Royal Society of Chemistry

    Dr Toshiya Okazaki

  92. Room-temperature Y-type emission of perylenes by encapsulation within single-walled carbon nanotubes

    Article • Nanoscale, January 2016, Royal Society of Chemistry

    Dr Toshiya Okazaki

  93. Single atom spectroscopy: Decreased scattering delocalization at high energy losses, effects of atomic movement and X-ray fluorescence yield

    Article • Ultramicroscopy, January 2016, Elsevier

    Dr Toshiya Okazaki

  94. Single-walled carbon nanotube synthesis using Pt catalysts under low ethanol pressure via cold-wall chemical vapor deposition in high vacuum

    Article • Carbon, January 2016, Elsevier

    Dr Toshiya Okazaki

  95. Preparation and functionalization of boron nitride containing carbon nanohorns for boron neutron capture therapy

    Article • Carbon, November 2015, Elsevier

    Dr Toshiya Okazaki

  96. Sorting semiconducting single walled carbon nanotubes by poly(9,9-dioctylfluorene) derivatives and application for ammonia gas sensing

    Article • Carbon, November 2015, Elsevier

    Dr Toshiya Okazaki

  97. Optical resonance in far-infrared spectra of multiwalled carbon nanotubes

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

    Dr Toshiya Okazaki

  98. Energetics and Electronic Structures of Carbon Nanotubes Encapsulating Polycyclic Aromatic Hydrocarbon Molecules

    Article • Journal of the Physical Society of Japan, December 2014, Physical Society of Japan

    Dr Toshiya Okazaki

  99. Single Molecular Spectroscopy: Identification of Individual Fullerene Molecules

    Article • Physical Review Letters, October 2014, American Physical Society (APS)

    Dr Toshiya Okazaki

  100. Length-Dependent Plasmon Resonance in Single-Walled Carbon Nanotubes

    Article • ACS Nano, October 2014, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  101. Extraction of semiconducting single-walled carbon nanotubes encapsulating fullerenes by poly(9,9-dioctylfluorene-alt-benzothiadiazole)

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

    Dr Toshiya Okazaki

  102. Influence of structure-selective fluorene-based polymer wrapping on optical transitions of single-wall carbon nanotubes

    Article • Nanoscale, January 2014, Royal Society of Chemistry

    Dr Toshiya Okazaki

  103. Diameter selective electron transfer from encapsulated ferrocenes to single-walled carbon nanotubes

    Article • Nanoscale, January 2014, Royal Society of Chemistry

    Dr Toshiya Okazaki

  104. Preparation and Properties of Carbon Nanopeapods

    Article • January 2014, Elsevier

    Dr Toshiya Okazaki

  105. Spectroscopic Characterization of Nanohybrids Consisting of Single-walled Carbon Nanotubes and Fullerodendron

    Article • Fullerenes Nanotubes and Carbon Nanostructures, January 2014, Taylor & Francis

    Dr Toshiya Okazaki

  106. Electron diffraction and electron energy-loss spectroscopy studies of a hybrid material composed of coronene molecules encapsulated in single-walled carbon nanotubes

    Article • Microscopy, December 2013, Oxford University Press (OUP)

    Dr Toshiya Okazaki

  107. Self-Assembled Carbon Nanotube Honeycomb Networks Using a Butterfly Wing Template as a Multifunctional Nanobiohybrid

    Article • ACS Nano, August 2013, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  108. Immunoassay with Single-Walled Carbon Nanotubes as Near-Infrared Fluorescent Labels

    Article • ACS Applied Materials & Interfaces, August 2013, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  109. Light emission at telecom wavelengths from single-walled carbon nanotubes

    Article • May 2013, SPIE

    Dr Toshiya Okazaki

  110. Photoemission study of the electronic structure of azafullerene encapsulated single-walled carbon nanotubes

    Article • Chemical Physics Letters, May 2013, Elsevier

    Dr Toshiya Okazaki

  111. Depolarized dynamic light scattering study of multi-walled carbon nanotubes in solution

    Article • Materials Express, March 2013, American Scientific Publishers

    Dr Toshiya Okazaki, Dr Haruhisa Kato

  112. Ordered and disordered packing of coronene molecules in carbon nanotubes

    Article • Physical Chemistry Chemical Physics, January 2013, Royal Society of Chemistry

    Dr Toshiya Okazaki

  113. Selective Extraction of Semiconducting Single-Wall Carbon Nanotubes by Poly(9,9-dioctylfluorene-alt-pyridine) for 1.5 μm Emission

    Article • ACS Applied Materials & Interfaces, December 2012, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  114. Weak Response of Metallic Single-Walled Carbon Nanotubes to C60 Encapsulation Studied by Resonance Raman Spectroscopy

    Article • The Journal of Physical Chemistry C, October 2012, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  115. Detection of photons emitted from single erbium atoms in energy-dispersive X-ray spectroscopy

    Article • Nature Photonics, July 2012, Springer Science + Business Media

    Dr Toshiya Okazaki

  116. Dimerization-Initiated Preferential Formation of Coronene-Based Graphene Nanoribbons in Carbon Nanotubes

    Article • The Journal of Physical Chemistry C, July 2012, American Chemical Society (ACS)

    Dr Toshiya Okazaki, Dr. Stephan Irle

  117. Single Chirality Extraction of Single-Wall Carbon Nanotubes for the Encapsulation of Organic Molecules

    Article • Journal of the American Chemical Society, June 2012, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  118. Transparent conductive thin films of single-wall carbon nanotubes encapsulating dopant molecules

    Article • Applied Physics Letters, February 2012, American Institute of Physics

    Dr Toshiya Okazaki

  119. Origin of the n-type transport behavior of azafullerene encapsulated single-walled carbon nanotubes

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

    Dr Toshiya Okazaki

  120. Single-molecule sensing electrode embedded in-plane nanopore

    Article • Scientific Reports, July 2011, Springer Science + Business Media

    Dr Toshiya Okazaki

  121. Selective Extraction of Large-Diameter Single-Wall Carbon Nanotubes with Specific Chiral Indices by Poly(9,9-dioctylfluorene-alt-benzothiadiazole)

    Article • Journal of the American Chemical Society, July 2011, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  122. Single atom spectroscopy with reduced delocalization effect using a 30 kV-STEM

    Article • The European Physical Journal Applied Physics, June 2011, EDP Sciences

    Dr Toshiya Okazaki

  123. Coaxially Stacked Coronene Columns inside Single‐Walled Carbon Nanotubes

    Article • Angewandte Chemie, March 2011, Wiley

    Dr Toshiya Okazaki

  124. Coaxially Stacked Coronene Columns inside Single‐Walled Carbon Nanotubes

    Article • Angewandte Chemie, March 2011, Wiley

    Dr Toshiya Okazaki

  125. Ultra-narrow WS2nanoribbons encapsulated in carbon nanotubes

    Article • Journal of Materials Chemistry, January 2011, Royal Society of Chemistry

    Dr Toshiya Okazaki

  126. Electronic Structures of Single-Walled Carbon Nanotubes Encapsulating Ellipsoidal C70

    Article • Journal of the American Chemical Society, October 2010, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  127. Host–guest interaction between single‐wall carbon nanotubes and encapsulated C60 probed by resonance Raman spectroscopy

    Article • physica status solidi (b), September 2010, Wiley

    Dr Toshiya Okazaki

  128. Mixed Low-Dimensional Nanomaterial: 2D Ultranarrow MoS2 Inorganic Nanoribbons Encapsulated in Quasi-1D Carbon Nanotubes

    Article • Journal of the American Chemical Society, September 2010, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  129. Purification of Single-Walled Carbon Nanotubes Generated in Helium Ambient Gas Atmosphere with Arc-Burning Apparatus by Utilizing Mono-Dispersion Technique

    Article • Journal of Nanoscience and Nanotechnology, June 2010, American Scientific Publishers

    Dr Toshiya Okazaki

  130. Fundamental Importance of Background Analysis in Precise Characterization of Single-Walled Carbon Nanotubes by Optical Absorption Spectroscopy

    Article • The Journal of Physical Chemistry C, May 2010, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  131. Analysis of the reactivity and selectivity of fullerene dimerization reactions at the atomic level

    Article • Nature Chemistry, January 2010, Springer Science + Business Media

    Dr Toshiya Okazaki

  132. Host–guest interactions in azafullerene (C59N)-single-wall carbon nanotube (SWCNT) peapod hybrid structures

    Article • Chemical Communications, January 2010, Royal Society of Chemistry

    Nikos Tagmatarchis, Dr Toshiya Okazaki

  133. Microwave assisted covalent functionalization of C60@SWCNT peapods

    Article • Chemical Communications, January 2010, Royal Society of Chemistry

    Dr Toshiya Okazaki

  134. Interaction between single-wall carbon nanotubes and encapsulated C60 probed by resonance Raman spectroscopy

    Article • Physical Chemistry Chemical Physics, January 2010, Royal Society of Chemistry

    Dr Toshiya Okazaki

  135. Effect of Fullerene Encapsulation on Radial Vibrational Breathing-Mode Frequencies of Single-Wall Carbon Nanotubes

    Article • Physical Review Letters, July 2009, American Physical Society (APS)

    Dr Toshiya Okazaki

  136. Visualizing and identifying single atoms using electron energy-loss spectroscopy with low accelerating voltage

    Article • Nature Chemistry, July 2009, Springer Science + Business Media

    Dr Toshiya Okazaki

  137. Self-Assembled Double Ladder Structure Formed Inside Carbon Nanotubes by Encapsulation of H8Si8O12

    Article • ACS Nano, May 2009, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  138. Tuning of Electronic Properties of Single‐Walled Carbon Nanotubes under Homogenous Conditions

    Article • ChemPhysChem, April 2009, Wiley

    Dr Toshiya Okazaki

  139. Mono-dispersed single-walled carbon nanotubes made by using arc-burning method in nitrogen atmosphere

    Article • Zeitschrift für Physik D, January 2009, Springer Science + Business Media

    Dr Toshiya Okazaki

  140. Diameter-Dependent Band Gap Modification of Single-Walled Carbon Nanotubes by Encapsulated Fullerenes

    Article • The Journal of Physical Chemistry C, December 2008, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  141. C 60 (OH) n -ASSISTED DISPERSION OF SINGLE-WALLED CARBON NANOTUBES

    Article • NANO, December 2008, World Scientific Pub Co Pte Lt

    Dr Toshiya Okazaki

  142. Selective Diameter Control of Single-Walled Carbon Nanotubes in the Gas-Phase Synthesis

    Article • Journal of Nanoscience and Nanotechnology, November 2008, American Scientific Publishers

    Dr Toshiya Okazaki

  143. Semiconductor-enriched single wall carbon nanotube networks applied to field effect transistors

    Article • Applied Physics Letters, June 2008, American Institute of Physics

    Dr Toshiya Okazaki

  144. Optical Band Gap Modification of Single-Walled Carbon Nanotubes by Encapsulated Fullerenes

    Article • Journal of the American Chemical Society, March 2008, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  145. Atom-like behaviors and orbital-related Tomonaga–Luttinger liquids in carbon nano-peapod quantum dots

    Article • Microelectronics Journal, February 2008, Elsevier

    Dr Toshiya Okazaki

  146. Metallic Wires of Lanthanum Atoms Inside Carbon Nanotubes

    Article • Journal of the American Chemical Society, January 2008, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  147. Band Gap Photoluminescence of Single-Walled Carbon Nanotubes

    Article • Hyomen Kagaku, January 2008, Surface Science Society Japan

    Dr Toshiya Okazaki

  148. High Efficiencies for Singlet Oxygen Generation of Fullerenes and Their Phototoxicity

    Article • Bulletin of the Chemical Society of Japan, January 2008, Chemical Society of Japan

    Dr Toshiya Okazaki

  149. Enhanced 1520 nm Photoluminescence from Er3+ Ions in Di-erbium-carbide Metallofullerenes (Er2C2)@C82 (Isomers I, II, and III)

    Article • ACS Nano, December 2007, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  150. Structures of D5d-C80 and Ih-Er3N@C80 Fullerenes and Their Rotation Inside Carbon Nanotubes Demonstrated by Aberration-Corrected Electron Microscopy

    Article • Nano Letters, November 2007, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  151. Coalescence of C60 Molecules Assisted by Doped Iodine Inside Carbon Nanotubes

    Article • Journal of the American Chemical Society, June 2007, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  152. Anomalous Coulomb diamonds and power-law behavior sensitive to back-gate voltages in carbon nanoscale peapod quantum dots

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

    Dr Toshiya Okazaki

  153. Magnetic Properties and Crystal Structure of Solvent‐Free Sc@C82 Metallofullerene Microcrystals

    Article • ChemPhysChem, May 2007, Wiley

    Dr Toshiya Okazaki

  154. Gate-Controlled Tomonaga-Luttinger Liquid and Atomic-Like Behaviors in Peapod Quantum Dots

    Article • Solid State Phenomena, March 2007, Trans Tech Publications

    Dr Toshiya Okazaki

  155. Endohedral metallofullerenes as strong singlet oxygen quenchers

    Article • Chemical Physics Letters, February 2007, Elsevier

    Dr Toshiya Okazaki

  156. Dispersion and Separation of Small-Diameter Single-Walled Carbon Nanotubes [J. Am. Chem. Soc. 2006, 128, 12239−12242].

    Article • Journal of the American Chemical Society, November 2006, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  157. Deactivation of singlet oxygen by single-wall carbon nanohorns

    Article • Chemical Physics Letters, November 2006, Elsevier

    Dr Toshiya Okazaki

  158. Interaction Control Between Endohedral Metallofullerene and Metal Substrate by Introducing Alkanethiol Self-Assembled Monolayer

    Article • Journal of Nanoscience and Nanotechnology, November 2006, American Scientific Publishers

    Dr Toshiya Okazaki, Professor Yutaka Majima

  159. Photoluminescence quenching in peapod-derived double-walled carbon nanotubes

    Article • Physical Review B, October 2006, American Physical Society (APS)

    Dr Toshiya Okazaki

  160. Selectivity of water-soluble proteins in single-walled carbon nanotube dispersions

    Article • Chemical Physics Letters, October 2006, Elsevier

    Dr Toshiya Okazaki

  161. Dispersion and Separation of Small-Diameter Single-Walled Carbon Nanotubes

    Article • Journal of the American Chemical Society, August 2006, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  162. Photoluminescence and population analysis of single-walled carbon nanotubes produced by CVD and pulsed-laser vaporization methods

    Article • Chemical Physics Letters, March 2006, Elsevier

    Dr Toshiya Okazaki

  163. Purification and characterization of double-wall carbon nanotubes synthesized by catalytic chemical vapor deposition on mesoporous silica

    Article • Chemical Physics Letters, February 2006, Elsevier

    Dr Toshiya Okazaki

  164. Entrapping of Exohedral Metallofullerenes in Carbon Nanotubes:  (CsC60)n@SWNT Nano-Peapods

    Article • Journal of the American Chemical Society, December 2005, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  165. Photoluminescence Mapping of “As-Grown” Single-Walled Carbon Nanotubes:  A Comparison with Micelle-Encapsulated Nanotube Solutions

    Article • Nano Letters, November 2005, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  166. Fabrication and Characterization of Peapod Field-Effect Transistors Using Peapods Synthesized Directly on Si Substrate

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

    Dr Toshiya Okazaki

  167. Ultraviolet photoelectron spectroscopy of multiple atoms encapsulated fullerenes

    Article • Journal of Electron Spectroscopy and Related Phenomena, June 2005, Elsevier

    Dr Toshiya Okazaki

  168. Single Molecular Orientation Switching of an Endohedral Metallofullerene

    Article • Nano Letters, May 2005, American Chemical Society (ACS)

    Dr Toshiya Okazaki, Professor Yutaka Majima

  169. CVD Growth of Single-Walled Carbon Nanotubes with Narrow Diameter Distribution over Fe/MgO Catalyst and Their Fluorescence Spectroscopy

    Article • The Journal of Physical Chemistry B, May 2005, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  170. Spectroscopic study during single-wall carbon nanotubes production by Ar, H2, and H2–Ar DC arc discharge

    Article • Diamond and Related Materials, March 2005, Elsevier

    Dr Toshiya Okazaki

  171. Production of ultrafine particles of high-temperature tetragonal WO3 by dc arc discharge in Ar?O2 gases

    Article • Journal of Nanoparticle Research, February 2005, Springer Science + Business Media

    Dr Toshiya Okazaki

  172. Tunable Field-Effect Transistor Device with Metallofullerene Nanopeapods

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

    Dr Toshiya Okazaki

  173. Synthesis of carbon nanotube peapods directly on Si substrates

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

    Dr Toshiya Okazaki

  174. Ultraviolet Photoelectron Spectroscopy of Two Titanium Metal Atoms Encapsulated Metallofullerenes, Ti2@C80 and Ti2@C84

    Article • Fullerenes Nanotubes and Carbon Nanostructures, January 2005, Taylor & Francis

    Dr Toshiya Okazaki

  175. Nano-Peapods Encapsulating Fullerenes

    Article • January 2005, Springer Science + Business Media

    Dr Toshiya Okazaki

  176. Exploration of plastic-like phases in alkylurea systems. A thermal and X-ray study

    Article • Journal of Molecular Structure, January 2005, Elsevier

    Dr Toshiya Okazaki

  177. Selective Chemical Vapor Deposition Synthesis of Double-Wall Carbon Nanotubes on Mesoporous Silica

    Article • The Journal of Physical Chemistry B, December 2004, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  178. Ultraviolet photoelectron spectra of Tb@C82

    Article • Chemical Physics Letters, November 2004, Elsevier

    Dr Toshiya Okazaki

  179. Ultraviolet photoelectron spectra of Ti2@C80

    Article • Chemical Physics Letters, October 2004, Elsevier

    Dr Toshiya Okazaki

  180. Fabrication Technique for Carbon Nanotube Single-Electron Transistors Using Focused Ion Beam

    Article • Japanese Journal of Applied Physics, August 2004, Japan Society of Applied Physics

    Dr Toshiya Okazaki

  181. Photoemission study of the modification of the electronic structure of transition-metal overlayers on TiO2 surfaces

    Article • Surface Science, July 2004, Elsevier

    Dr Toshiya Okazaki

  182. Photoemission study of the modification of the electronic structure of transition-metal overlayers on TiO2 surfaces II. Cr on TiO2(001)

    Article • Surface Science, July 2004, Elsevier

    Dr Toshiya Okazaki

  183. Photoemission study of the modification of the electronic structure of transition-metal overlayers on TiO2 surfaces III. Ni on TiO2 and Cu on TiO2

    Article • Surface Science, July 2004, Elsevier

    Dr Toshiya Okazaki

  184. Synthesis and Characterization of Eu-Metallofullerenes from Eu@C74 to Eu@C90 and Their Nanopeapods

    Article • The Journal of Physical Chemistry B, June 2004, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  185. Trapping a C2 Radical in Endohedral Metallofullerenes:  Synthesis and Structures of (Y2C2)@C82 (Isomers I, II, and III)

    Article • The Journal of Physical Chemistry B, May 2004, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  186. Double-wall carbon nanotube field-effect transistors: Ambipolar transport characteristics

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

    Dr Toshiya Okazaki

  187. Transport properties of C78, C90 and Dy@C82 fullerenes-nanopeapods by field effect transistors

    Article • Physica E Low-dimensional Systems and Nanostructures, March 2004, Elsevier

    Dr Toshiya Okazaki

  188. Chirality assignment of individual single-walled carbon nanotubes in carbon nanotube field-effect transistors by micro-photocurrent spectroscopy

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

    Dr Toshiya Okazaki

  189. Syntheses of single- and double-wall carbon nanotubes by the HTPAD and HFCVD methods

    Article • New Journal of Physics, February 2004, Institute of Physics Publishing

    Dr Toshiya Okazaki

  190. Selective synthesis of double-wall carbon nanotubes by CCVD of acetylene using zeolite supports

    Article • Chemical Physics Letters, December 2003, Elsevier

    Dr Toshiya Okazaki

  191. The Electronic and Geometrical Structures of Sm Endohedral Metallofullerenes

    Article • ChemInform, September 2003, Wiley

    Dr Toshiya Okazaki

  192. Evidence for the Intramolecular Motion of Gd Atoms in a Gd2@C92 Nanopeapod

    Article • Nano Letters, September 2003, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  193. Evidence for substantial interaction between Gd ion and SWNT in (Gd@C82)n@SWNT peapods revealed by STM studies

    Article • Chemical Physics Letters, September 2003, Elsevier

    Dr Toshiya Okazaki

  194. Raman spectroscopy ofLa2@

    Article • Physical Review B, July 2003, American Physical Society (APS)

    Dr Toshiya Okazaki

  195. Synthesis and characterization of single-wall carbon nanotubes by hot-filament assisted chemical vapor deposition

    Article • Chemical Physics Letters, July 2003, Elsevier

    Dr Toshiya Okazaki

  196. Position-Controlled Carbon Nanotube Field-Effect Transistors Fabricated by Chemical Vapor Deposition Using Patterned Metal Catalyst

    Article • Japanese Journal of Applied Physics, June 2003, Japan Society of Applied Physics

    Dr Toshiya Okazaki

  197. New Synthesis of High-Quality Double-Walled Carbon Nanotubes by High-Temperature Pulsed Arc Discharge

    Article • Nano Letters, May 2003, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  198. Electronic properties of Gd@C 82 metallofullerene peapods: (Gd@C 82 ) n @SWNTs

    Article • Applied Physics A, March 2003, Springer Science + Business Media

    Dr Toshiya Okazaki

  199. High-resolution electron microscopy of individual metallofullerene molecules on the dipole orientations in peapods

    Article • Applied Physics A, March 2003, Springer Science + Business Media

    Dr Toshiya Okazaki

  200. Selective High-Yield Catalytic Synthesis of Terbium Metallofullerenes and Single-Wall Carbon Nanotubes

    Article • The Journal of Physical Chemistry B, February 2003, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  201. Direct Imaging ofSc2

    Article • Physical Review Letters, February 2003, American Physical Society (APS)

    Dr Toshiya Okazaki

  202. Ambipolar field-effect transistor behavior of Gd@C82 metallofullerene peapods

    Article • Applied Physics Letters, November 2002, American Institute of Physics

    Dr Toshiya Okazaki

  203. Electronic and geometric structures of metallofullerene peapods

    Article • Physica B Condensed Matter, October 2002, Elsevier

    Dr Toshiya Okazaki

  204. Production, Isolation, and EELS Characterization of Ti2@C84 Dititanium Metallofullerenes

    Article • The Journal of Physical Chemistry B, August 2002, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  205. Bandgap modulation of carbon nanotubes by encapsulated metallofullerenes

    Article • Nature, February 2002, Springer Science + Business Media

    Dr Toshiya Okazaki

  206. Synthesis and characterization of multi- and single-wall carbon nanotubes by the catalytic vapor deposition method

    Article • Molecular Crystals and Liquid Crystals, January 2002, Taylor & Francis

    Dr Toshiya Okazaki

  207. Diameter Control of Single-Wall Carbon Nanotubes by the Catalytic Chemical Vapor Deposition Method

    Article • January 2002, American Institute of Physics

    Dr Toshiya Okazaki

  208. Smallest limit of tube diameters for encasing of particular fullerenes determined by radial breathing mode Raman scattering

    Article • Chemical Physics Letters, October 2001, Elsevier

    Dr Toshiya Okazaki

  209. Real Time Reaction Dynamics in Carbon Nanotubes

    Article • Journal of the American Chemical Society, September 2001, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  210. EELS and 13C NMR Characterization of Pure Ti2@C80 Metallofullerene

    Article • Journal of the American Chemical Society, September 2001, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  211. Electron diffraction study of one-dimensional crystals of fullerenes

    Article • Physical Review B, August 2001, American Physical Society (APS)

    Dr Toshiya Okazaki

  212. Intrafullerene electron transfers in Sm-containing metallofullerenes: Sm@C2n (74 ≤ 2n ≤ 84)

    Article • Journal of Molecular Graphics and Modelling, April 2001, Elsevier

    Dr Toshiya Okazaki

  213. Energy conversion process from the photoexcited electronic states studied by the temperature lens and acoustic peak delay methods in solution

    Article • Journal of Molecular Liquids, February 2001, Elsevier

    Dr Toshiya Okazaki

  214. Core-level spectroscopy on the valence state of encaged metal in metallofullerene-peapods

    Article • January 2001, American Institute of Physics

    Dr Toshiya Okazaki

  215. Element-Selective Single Atom Imaging

    Article • Science, December 2000, American Association for the Advancement of Science

    Dr Toshiya Okazaki

  216. One-Dimensional Metallofullerene Crystal Generated Inside Single-Walled Carbon Nanotubes

    Article • Physical Review Letters, December 2000, American Physical Society (APS)

    Dr Toshiya Okazaki

  217. Direct EELS observation of the oxidation states of Sm atoms in Sm@C2n metallofullerenes (74⩽2n⩽84)

    Article • The Journal of Chemical Physics, December 2000, American Institute of Physics

    Dr Toshiya Okazaki

  218. Isolation and spectroscopic characterization of Sm-containing metallofullerenes

    Article • Chemical Physics Letters, April 2000, Elsevier

    Dr Toshiya Okazaki

  219. Spatially Resolved Thermalization Dynamics of Electronically Photoexcited Azulene Probed by a Molecular Integrated Thermometer

    Article • The Journal of Physical Chemistry A, November 1999, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  220. Thermalization process after the relaxation of electronically excited states: Intramolecular proton transfer systems studied by the transient grating method

    Article • The Journal of Chemical Physics, June 1999, American Institute of Physics

    Dr Toshiya Okazaki

  221. High Temporally and Spatially Resolved Thermal Energy Detection after Nonradiative Transition in Solution Using a Molecular Heater−Molecular Thermometer Integrated System

    Article • Journal of the American Chemical Society, May 1999, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  222. Ultrafast photothermalization process of azulene probed by a molecular thermometer

    Article • January 1999, American Institute of Physics

    Dr Toshiya Okazaki

  223. Picosecond Time-Resolved Transient Grating Method for Heat Detection:  Excited-State Dynamics of FeCl3 and o-Hydroxybenzophenone in Aqueous Solution

    Article • The Journal of Physical Chemistry A, January 1997, American Chemical Society (ACS)

    Dr Toshiya Okazaki

  224. Dynamics of aggregate formation and translational diffusion of a spiropyran studied by the transient grating method

    Article • Journal of Photochemistry and Photobiology A Chemistry, October 1996, Elsevier

    Dr Toshiya Okazaki

  225. Translational diffusion process of charged radicals: N,N,N′,N′-tetramethyl-p-phenylenediamine and its cation radical

    Article • Journal of Photochemistry and Photobiology A Chemistry, December 1995, Elsevier

    Dr Toshiya Okazaki