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  1. Chiroptical Signal Amplification in Amorphous Siloxane Network by Asymmetric Ring Distortion

    Article • Journal of the American Chemical Society, July 2025, American Chemical Society (ACS)

    Dr Takashi Sagawa

  2. (Invited) Polarization Conversion in LPL Film By Excitation Energy Transfer in Quantum Rod Aggregates

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

    Dr Takashi Sagawa

  3. Regulating crystal growth and enhancing efficiency in CsPbBr3 perovskite solar cells through the incorporation of Pb(SCN)2 additive in ambient multistep deposition process

    Article • Ceramics International, July 2025, Elsevier

    Dr Takashi Sagawa

  4. In-gap states and local structures around substitutional defects in La- or Nb-doped n-type SrTiO3

    Article • Next Materials, January 2024, Elsevier

    Dr Takashi Sagawa

  5. Fractionation of beech wood cell walls into digestible cellulose-rich residues and photoluminescent lignin-rich precipitates via semi-flow hot-compressed water treatment with 2-naphthol

    Article • RSC Advances, January 2024, Royal Society of Chemistry

    Dr Takashi Sagawa

  6. Tailoring defects in electron transporting Zn2SnO4 layers by multilayer engineering and Cr doping towards efficient and stable carbon-based perovskite solar cells

    Article • Journal of Power Sources, October 2023, Elsevier

    Dr Takashi Sagawa

  7. (Invited) Photoluminescence-Based Circular Polarization Convertors for Multiplexing of Optical Information

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

    Dr Takashi Sagawa

  8. Ligand-Free CsPbBr3@TiO2 Core-Shell Nanofibers with Enhanced Carrier Transport

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

    Dr Takashi Sagawa

  9. Chiral Perovskite Nanocrystal Growth inside Helical Hollow Silica Nanoribbons

    Article • Nano Letters, April 2023, American Chemical Society (ACS)

    Dr Takashi Sagawa

  10. Efficient and Stable Carbon-Based Perovskite Solar Cells Enabled by Mixed CuPc:CuSCN Hole Transporting Layer for Indoor Applications

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

    Dr Takashi Sagawa

  11. Luminescence-based circular polarization convertors: polarization conversion of linearly polarized photoluminescence from one-dimensionally aligned quantum rods using retardation films

    Article • Journal of Materials Chemistry C, January 2023, Royal Society of Chemistry

    Dr Takashi Sagawa

  12. Solubilization of sulfuric acid lignin by ball mill treatment with excess amounts of organic compounds

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

    Dr Takashi Sagawa

  13. Comb-shaped Sb2S3 nanorod arrays on ZnO nanofibers for thin-film photovoltaics

    Article • AIP Advances, November 2022, American Institute of Physics

    Dr Takashi Sagawa

  14. Preparation of Sb2S3 nanorod arrays by hydrothermal method as light absorbing layer for Sb2S3-based solar cells

    Article • Thin Solid Films, September 2022, Elsevier

    Dr Takashi Sagawa

  15. Inheriting Sb2Se3 Nanorods on Sb2S3 Nanorod Arrays for Effective Light Harvesting and Charge Extraction in Solar Cells

    Article • ACS Applied Nano Materials, August 2022, American Chemical Society (ACS)

    Dr Takashi Sagawa

  16. (Invited) One-Dimensionally Aligned Quantum Rods for Generation of Highly-Pure Circularly Polarized Light with High Light Intensity

    Article • ECS Meeting Abstracts, July 2022, The Electrochemical Society

    Dr Takashi Sagawa

  17. Cu‐ and Fe‐Incorporated Manganese Oxides (Mn x O y ) as Cathodic Catalysts for Hydrogen Peroxide Reduction (HPR) and Oxygen Reduction (OR) in Micro‐direct Methanol Fuel Cells

    Article • ChemElectroChem, June 2022, Wiley

    Dr Takashi Sagawa

  18. Bayesian-based decipherment of in-depth information in bacterial chemical sensing beyond pleasant/unpleasant responses

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

    Dr Takashi Sagawa

  19. Tunable Light Emission from Lignin: Various Photoluminescence Properties Controlled by the Lignocellulosic Species, Extraction Method, Solvent, and Polymer

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

    Dr Takashi Sagawa

  20. Improved reproducibility of carbon-based cesium/formamidinium perovskite solar cells via double antisolvent drippings in adduct approach

    Article • Organic Electronics, January 2022, Elsevier

    Dr Takashi Sagawa

  21. Low-temperature processable Sn-doped ZnO films as electron transporting layers for perovskite solar cells

    Article • Journal of Materials Science Materials in Electronics, October 2021, Springer Science + Business Media

    Dr Takashi Sagawa

  22. Chirality Induction to CdSe Nanocrystals Self-Organized on Silica Nanohelices: Tuning Chiroptical Properties

    Article • ACS Nano, October 2021, American Chemical Society (ACS)

    Dr Takashi Sagawa

  23. Mode-selective excitation of an infrared-inactive phonon mode in diamond using mid-infrared free electron laser

    Article • Japanese Journal of Applied Physics, September 2021, Institute of Physics Publishing

    Dr Takashi Sagawa

  24. The effect of water on colloidal quantum dot solar cells

    Article • Nature Communications, July 2021, Springer Science + Business Media

    Dr Takashi Sagawa

  25. Concentrated-Polymer-Brush-Modified Silica Nanoparticles Self-Assembled in Ionic Liquid Containing Iodide/Triiodide (I–/I3–)-Redox System as Quasi-Solid Electrolytes for Dye-Sensitized Solar Cells

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

    Dr Takashi Sagawa

  26. (Invited) Solution-Processed Reorganization of Semiconductor Nanocrystals in Thin Films

    Article • ECS Meeting Abstracts, May 2021, The Electrochemical Society

    Dr Takashi Sagawa

  27. Chiral optical scattering from helical and twisted silica nanoribbons

    Article • Chemical Communications, January 2021, Royal Society of Chemistry

    Dr Takashi Sagawa

  28. Fluctuations in Intracellular CheY-P Concentration Coordinate Reversals of Flagellar Motors in E. coli

    Article • Biomolecules, November 2020, MDPI AG

    Dr Takashi Sagawa

  29. Optically Active Perovskite CsPbBr3 Nanocrystals Helically Arranged on Inorganic Silica Nanohelices

    Article • Nano Letters, September 2020, American Chemical Society (ACS)

    Dr Takashi Sagawa

  30. Synergistic Effects of Co-Doping on Photocatalytic Activity of Titanium Dioxide on Glucose Conversion to Value-Added Chemicals

    Article • ACS Omega, August 2020, American Chemical Society (ACS)

    Dr Takashi Sagawa

  31. (Invited) Nanostructured Metal Sulfides for Solar Cells to Improve the Photovoltaic Performance

    Article • ECS Meeting Abstracts, May 2020, The Electrochemical Society

    Dr Takashi Sagawa

  32. Two-photon selective excitation of phonon-mode in diamond using mid-infrared free-electron laser

    Article • Physics Letters A, April 2020, Elsevier

    Dr Takashi Sagawa

  33. Electrospun Ag-TiO2 Nanofibers for Photocatalytic Glucose Conversion to High-Value Chemicals

    Article • ACS Omega, March 2020, American Chemical Society (ACS)

    Dr Takashi Sagawa

  34. Chiral stacking of cyanine or porphyrin as cationic fluorescent dyes in the presence of anionic polysaccharide of hyaluronic acid

    Article • SN Applied Sciences, January 2020, Springer Science + Business Media

    Dr Takashi Sagawa

  35. Quantum dot-modified titanium dioxide nanoparticles as an energy-band tunable electron-transporting layer for open air-fabricated planar perovskite solar cells

    Article • Nanomaterials and Nanotechnology, January 2020, SAGE Publications

    Dr Takashi Sagawa

  36. Adhesion and bactericidal properties of nanostructured surfaces dependent on bacterial motility

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

    Dr Takashi Sagawa

  37. Influence of binary additives into the solvent for preparation of polymer and fullerene bulk heterojunction solar cells by convective deposition method

    Article • Organic Electronics, October 2019, Elsevier

    Dr Takashi Sagawa

  38. Nb-doped TiO2 Thin Films Prepared through TiCl4 Treatment for Improvement of Their Carrier Transport Property

    Article • MRS Advances, September 2019, Springer Science + Business Media

    Dr Takashi Sagawa

  39. Effects of Sn Incorporation in ZnO Thin Films on Properties of Perovskite Solar Cells

    Article • IOP Conference Series Materials Science and Engineering, August 2019, Institute of Physics Publishing

    Dr Takashi Sagawa

  40. Improved photovoltaic performance and device stability of planar heterojunction perovskite solar cells using TiO2 and TiO2 mixed with AgInS2 quantum dots as dual electron transport layers

    Article • Organic Electronics, June 2019, Elsevier

    Dr Takashi Sagawa

  41. (Invited) (AgIn)xZn2(1-x)S2 Quantum Dots with ZnO or TiO2 for Inorganic/Organic Hybrid or Metal Halide Perovskite Solar Cells

    Article • ECS Meeting Abstracts, May 2019, The Electrochemical Society

    Dr Takashi Sagawa

  42. Finely Interpenetrating Bulk Heterojunction Structure for Lead Sulfide Colloidal Quantum Dot Solar Cells by Convective Assembly

    Article • ACS Energy Letters, March 2019, American Chemical Society (ACS)

    Dr Takashi Sagawa

  43. Time-Lapse imaging of bactericidal effect on nanostructural surface

    Article • March 2019, SPIE

    Dr Takashi Sagawa

  44. Silver–indium–sulfide quantum dots in titanium dioxide as electron transport layer for highly efficient and stable perovskite solar cells

    Article • Journal of Materials Science Materials in Electronics, January 2019, Springer Science + Business Media

    Dr Takashi Sagawa

  45. Enhanced crystal formation of methylammonium lead iodide via self-assembled monolayers and their solvation for perovskite solar cells

    Article • Journal of Materials Science Materials in Electronics, November 2018, Springer Science + Business Media

    Dr Takashi Sagawa

  46. TiO2/Lignin-Based Carbon Composited Photocatalysts for Enhanced Photocatalytic Conversion of Lignin to High Value Chemicals

    Article • ACS Sustainable Chemistry & Engineering, October 2018, American Chemical Society (ACS)

    Dr Takashi Sagawa

  47. (Invited)Improved Interfaces in Multilayered Organic-Inorganic Hybrid Solar Cells with π-Conjugated Polymers-Antimony Sulfide-Strontium Titanate-Titanium Oxide

    Article • ECS Transactions, June 2018, The Electrochemical Society

    Dr Takashi Sagawa

  48. Highly Efficient Fluorescence Resonance Energy Transfer in Electrospun Nanofibers Containing Pyrene and Porphyrin

    Article • Chemistry Letters, June 2018, The Chemical Society of Japan

    Dr Takashi Sagawa

  49. Improvement of photovoltaic performance of polymer and fullerene based bulk heterojunction solar cells prepared by the combination of directional solidification and convective deposition techniques

    Article • Organic Electronics, May 2018, Elsevier

    Dr Takashi Sagawa

  50. (Invited) Improved Interfaces in Multilayered Organic-Inorganic Hybrid Solar Cells with π-Conjugated Polymers-Antimony Sulfide-Strontium Titanate-Titanium Oxide

    Article • ECS Meeting Abstracts, April 2018, The Electrochemical Society

    Dr Takashi Sagawa

  51. Dopant-free π-conjugated polymers as hole-transporting materials for stable perovskite solar cells

    Article • Journal of Materials Science Materials in Electronics, March 2018, Springer Science + Business Media

    Dr Takashi Sagawa

  52. Conversion of CO2 to useful substances with composite iron, nickel, and copper catalysts

    Article • Journal of Zhejiang University SCIENCE A, January 2018, Journal of Zhejiang University SCIENCE

    Dr Takashi Sagawa

  53. Amplified polarization properties of electrospun nanofibers containing fluorescent dyes and helical polymer

    Article • Photochemical & Photobiological Sciences, January 2018, Springer Science + Business Media

    Dr Takashi Sagawa

  54. Air pollution control for a green future

    Article • Journal of Zhejiang University SCIENCE A, January 2018, Journal of Zhejiang University SCIENCE

    Dr Takashi Sagawa

  55. Non-invasive force measurement reveals the number of active kinesins on a synaptic vesicle precursor in axonal transport regulated by ARL-8

    Article • Physical Chemistry Chemical Physics, January 2018, Royal Society of Chemistry

    Dr Takashi Sagawa

  56. Effect of Crystallizable Solvent on Phase Separation and Charge Transport in Polymer-fullerene Films

    Article • IOP Conference Series Materials Science and Engineering, September 2017, Institute of Physics Publishing

    Dr Takashi Sagawa

  57. Phase II study of modified docetaxel, cisplatin and S-1 (mDCS) combination chemotherapy in patients with unresectable metastatic gastric cancer

    Article • Annals of Oncology, September 2017, Elsevier

    Dr Takashi Sagawa

  58. (Invited) Organic-Inorganic Hybrid Solar Cells with Antimony Sulfide-Metal Composites

    Article • ECS Transactions, July 2017, The Electrochemical Society

    Dr Takashi Sagawa

  59. Full coverage of perovskite layer onto ZnO nanorods via a modified sequential two-step deposition method for efficiency enhancement in perovskite solar cells

    Article • Applied Surface Science, July 2017, Elsevier

    Dr Takashi Sagawa

  60. Influence of the viscosity ratio of polyacrylonitrile/poly(methyl methacrylate) solutions on core–shell fibers prepared by coaxial electrospinning

    Article • Polymer Journal, February 2017, Springer Science + Business Media

    Dr Takashi Sagawa

  61. Mode-selective phonon excitation in gallium nitride using mid-infrared free-electron laser

    Article • Japanese Journal of Applied Physics, January 2017, Institute of Physics Publishing

    Dr Takashi Sagawa

  62. Stability Improvement of Photovoltaic Performance in Antimony Sulfide-Based Hybrid Solar Cells

    Article • ECS Journal of Solid State Science and Technology, January 2017, The Electrochemical Society

    Dr Takashi Sagawa

  63. (Invited) Long Term Stability of Antimony Sulfide-Based Hybrid Solar Cells

    Article • ECS Transactions, September 2016, The Electrochemical Society

    Dr Takashi Sagawa

  64. Influence of surface modification with D205 dye on charge dynamics of hybrid ZnO nanorods/polymer solar cells

    Article • Integrated Ferroelectrics, August 2016, Taylor & Francis

    Dr Takashi Sagawa

  65. Photocatalytic performance of electrospun CNT/TiO2 nanofibers in a simulated air purifier under visible light irradiation

    Article • Environmental Science and Pollution Research, August 2016, Springer Science + Business Media

    Dr Takashi Sagawa

  66. Control of physical properties of carbon nanofibers obtained from coaxial electrospinning of PMMA and PAN with adjustable inner/outer nozzle-ends

    Article • Nanoscale Research Letters, April 2016, Springer Science + Business Media

    Dr Takashi Sagawa

  67. Reappraising the validity of poly(3-hexylthiophene) nanostructures in interdigitated bilayer organic solar cells

    Article • Solar Energy Materials and Solar Cells, April 2016, Elsevier

    Dr Takashi Sagawa

  68. Improvement of device performance by using zinc oxide in hybrid organic–inorganic solar cells

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

    Dr Takashi Sagawa

  69. Ag–In–Zn–S quantum dots for hybrid organic–inorganic solar cells

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

    Dr Takashi Sagawa

  70. Ligand Effect of Zinc Oxide Nanoparticles on Photovoltaic Performance of Polymer Hybrid Solar Cells

    Article • ECS Journal of Solid State Science and Technology, January 2016, The Electrochemical Society

    Dr Takashi Sagawa

  71. Specific excitonic interactions in the aggregates of hyaluronic acid and cyanine dyes with different lengths of methine group

    Article • Photochemical & Photobiological Sciences, January 2016, Springer Science + Business Media

    Dr Takashi Sagawa

  72. Modeling of optimum size and shape for high photovoltaic performance of poly(3-hexylthiophene) nanopore in interdigitated bilayer organic solar cells

    Article • Organic Electronics, January 2016, Elsevier

    Dr Takashi Sagawa

  73. ZnO Nanorod Arrays Fabricated by Hydrothermal Method Using Different Thicknesses of Seed Layers for Applications in Hybrid Photovoltaic Cells

    Article • Sensors and Materials, January 2016, MYU K.K.

    Dr Takashi Sagawa

  74. Manipulation of discrete porphyrin–fullerene nanopillar arrays regulated by the phase separated infiltration of polymer in ternary blended organic thin-films

    Article • Solar Energy Materials and Solar Cells, September 2015, Elsevier

    Dr Takashi Sagawa

  75. 512 A phase 1 study to assess the safety and tolerability of tremelimumab alone and in combination with MEDI4736 in Japanese patients with advanced solid malignancies

    Article • European Journal of Cancer, September 2015, Elsevier

    Dr Takashi Sagawa

  76. 2298 Docetaxel, cisplatin and S-1 (DCS) combination chemotherapy for gastric cancer patients with peritoneal metastasis: a multi-institute retrospective study

    Article • European Journal of Cancer, September 2015, Elsevier

    Dr Takashi Sagawa

  77. Control of charge dynamics by blending ZnO nanoparticles with poly(3-hexylthiophene) for efficient hybrid ZnO nanorods/polymer solar cells

    Article • Applied Physics A, August 2015, Springer Science + Business Media

    Dr Takashi Sagawa

  78. Effect of Dispersing Agent on the Photovoltaic Performance of Poly(3-hexylthiophene) : Zinc Oxide Nanoparticle Hybrid Solar Cells

    Article • ECS Transactions, July 2015, The Electrochemical Society

    Dr Takashi Sagawa

  79. Fabrication of efficient organic and hybrid solar cells by fine channel mist spray coating

    Article • Solar Energy Materials and Solar Cells, August 2014, Elsevier

    Dr Takashi Sagawa

  80. Application of Electrospun Nanofibers in Organic Photovoltaics

    Article • January 2014, Springer Science + Business Media

    Dr Takashi Sagawa

  81. Improved performance of hybrid ZnO/polymer solar cell via construction of hierarchical nanostructures and surface modification of ZnO

    Article • Japanese Journal of Applied Physics, December 2013, Institute of Physics Publishing

    Dr Takashi Sagawa

  82. Electrospun SrTiO3 nanofibers for photocatalytic hydrogen generation

    Article • Journal of Materials Research, September 2013, Springer Science + Business Media

    Dr Takashi Sagawa

  83. Water-processed self-assembles of monolayers as interface modifier for ZnO/P3HT hybrid solar cells

    Article • Materials Chemistry and Physics, August 2013, Elsevier

    Dr Takashi Sagawa

  84. Piezoelectric MEMS devices and its application as bio-chemical sensors

    Article • April 2013, Institute of Electrical & Electronics Engineers (IEEE)

    Dr Takashi Sagawa

  85. Fabrication of bulk heterojunction solar cells by a modified spray-mist coating method

    Article • Renewable Energy and Power Quality Journal, March 2013, AEDERMACP (European Association for the Development of Renewable Energies and Power Quality)

    Dr Takashi Sagawa

  86. Thickness dependence of photovoltaic performance of additional spray coated solar cells

    Article • Thin Solid Films, February 2013, Elsevier

    Dr Takashi Sagawa

  87. Synthesis and photovoltaic properties of acceptor materials based on the dimerization of fullerene C60 for use in efficient polymer solar cells

    Article • Chemical Communications, January 2013, Royal Society of Chemistry

    Dr Takashi Sagawa

  88. Effects of the morphology of nanostructured ZnO and interface modification on the device configuration and charge transport of ZnO/polymer hybrid solar cells

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

    Dr Takashi Sagawa

  89. Fast Screening of the Optimal Polymer Ratio for Organic Solar Cells Using a Spray-Coating Deposition Method for the Fullerene Mixture

    Article • Energy Technology, January 2013, Wiley

    Dr Takashi Sagawa

  90. Electron-Acceptor Nanomaterials Fabricated by Electrospinning for Polymer Solar Cells

    Article • Energy Procedia, January 2013, Elsevier

    Dr Takashi Sagawa

  91. Fast Screening of the Optimal Polymer Ratio for Organic Solar Cells Using a Spray-Coating Deposition Method for the Fullerene Mixture

    Article • Energy Technology, December 2012, Wiley

    Dr Takashi Sagawa

  92. A Mathematical Model for Predicting Outcome in Preterm Labour

    Article • Journal of International Medical Research, August 2012, SAGE Publications

    Dr Takashi Sagawa

  93. Fabrication of SrTiO3 Nanofibers for Hydrogen Production

    Article • MRS Proceedings, January 2012, Springer Science + Business Media

    Dr Takashi Sagawa

  94. Morphological and topographical characterizations in spray coated organic solar cells using an additional solvent spray deposition

    Article • Organic Electronics, December 2011, Elsevier

    Dr Takashi Sagawa

  95. Surface Modification of ZnO Nanorods with Small Organic Molecular Dyes for Polymer–Inorganic Hybrid Solar Cells

    Article • The Journal of Physical Chemistry C, November 2011, American Chemical Society (ACS)

    Dr Takashi Sagawa

  96. Electrospun TiO2 nanowires for hybrid photovoltaic cells - ERRATUM

    Article • Journal of Materials Research, September 2011, Springer Science + Business Media

    Dr Takashi Sagawa

  97. Noncovalent One-to-One Donor-Acceptor Assembled Systems Based on Porphyrin Molecular Gels for Unusually High Electron-Transfer Efficiency

    Article • Chemistry - A European Journal, August 2011, Wiley

    Dr Takashi Sagawa

  98. Informative secondary chiroptics in binary molecular organogel systems for donor–acceptor energy transfer

    Article • Tetrahedron Letters, August 2011, Elsevier

    Dr Takashi Sagawa

  99. Erratum to “Hyper-mobility of water around actin filaments revealed using pulse-field gradient spin-echo 1H NMR and fluorescence spectroscopy” [Biochem. Biophys. Res. Commun. 404 (2011) 985–990]

    Article • Biochemical and Biophysical Research Communications, August 2011, Elsevier

    Dr Takashi Sagawa

  100. Electrospun TiO2 nanowires for hybrid photovoltaic cells

    Article • Journal of Materials Research, July 2011, Springer Science + Business Media

    Dr Takashi Sagawa

  101. Tuning of Molecular Orientation of Porphyrin Assembly According to Monitoring the Chiroptical Signals

    Article • Molecular Crystals and Liquid Crystals, May 2011, Taylor & Francis

    Dr Takashi Sagawa

  102. Highly Oriented Donor-Acceptor Molecules within Electrospun Nanofibers

    Article • Molecular Crystals and Liquid Crystals, May 2011, Taylor & Francis

    Dr Takashi Sagawa

  103. Coordinated Reversal of Flagellar Motors on a Single Escherichia coli Cell

    Article • Biophysical Journal, May 2011, Elsevier

    Dr Takashi Sagawa

  104. Wet Chemical Synthesis and Self-Assembly of SnS2 Nanoparticles on TiO2 for Quantum Dot-Sensitized Solar Cells

    Article • Journal of Nanoscience and Nanotechnology, April 2011, American Scientific Publishers

    Dr Takashi Sagawa

  105. Synthesis of SnS Nanoparticles by SILAR Method for Quantum Dot-Sensitized Solar Cells

    Article • Journal of Nanoscience and Nanotechnology, March 2011, American Scientific Publishers

    Dr Takashi Sagawa

  106. One-Dimensional Nanostructure Arrays for Dye-Sensitized Solar Cells

    Article • Journal of Solar Energy Engineering, January 2011, ASME International

    Dr Takashi Sagawa

  107. Charge Transporting Properties and Output Characteristics in Polythiophene:Fullerene Derivative Solar Cells

    Article • Japanese Journal of Applied Physics, January 2011, Institute of Physics Publishing

    Dr Takashi Sagawa

  108. Fabrication and Utilization of Titania Nanofibers from Natural Leucoxene Mineral in Photovoltaic Applications

    Article • Japanese Journal of Applied Physics, January 2011, Institute of Physics Publishing

    Dr Takashi Sagawa

  109. Modification of the σ-framework of [60]fullerene for bulk-heterojunction solar cells

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

    Dr Takashi Sagawa

  110. Synthesis and photovoltaic properties of thiophene–imide-fused thiophene alternating copolymers with different alkyl side chains

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

    Dr Takashi Sagawa

  111. Vertically aligned ZnO nanorods doped with lithium for polymer solar cells: defect related photovoltaic properties

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

    Dr Takashi Sagawa

  112. Electrospun Polythiophene Nanofibers and Their Applications for Organic Solar Cells

    Article • MRS Proceedings, January 2011, Cambridge University Press

    Dr Takashi Sagawa

  113. Indium Tin Oxide Nanofibers and their Applications for Dye-Sensitized Solar Cells

    Article • January 2011, The Electrochemical Society

    Dr Takashi Sagawa

  114. Application of self-assembling photosynthetic dye for organic photovoltaics

    Article • Journal of Materials Research, January 2011, Cambridge University Press

    Dr Takashi Sagawa

  115. Material Analysis Laboratory in KU-FEL, Kyoto University

    Article • Energy Procedia, January 2011, Elsevier

    Dr Mahmoud Bakr, Dr Takashi Sagawa

  116. Design of Metal Wires-based Organic Photovoltaic Cells

    Article • Energy Procedia, January 2011, Elsevier

    Dr Takashi Sagawa

  117. Electrospun TiO2 Nanofibers for Organic-Inorganic Hybrid Photovoltaic Cells

    Article • MRS Proceedings, January 2011, Springer Science + Business Media

    Dr Takashi Sagawa

  118. Efficient Photoinduced Electron Transfer Using TiO2 Doped Polymer

    Article • KOBUNSHI RONBUNSHU, January 2011, Society of Polymer Science, Japan

    Dr Takashi Sagawa

  119. Improvement of Power Conversion Efficiency in Organic Photovoltaics by Slow Cooling in Annealing Treatment

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

    Dr Takashi Sagawa

  120. Control of Self Organization in Conjugated Polymer Fibers

    Article • ACS Applied Materials & Interfaces, November 2010, American Chemical Society (ACS)

    Dr Takashi Sagawa

  121. Controlled emission enhancement and quenching by self-assembly of low molecular weight thiophene derivatives

    Article • Tetrahedron Letters, September 2010, Elsevier

    Dr Takashi Sagawa

  122. TiO2 Rutile Nanorod Arrays Grown on FTO Substrate Using Amino Acid at a Low Temperature

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

    Dr Takashi Sagawa

  123. One-Dimensional Nanostructured Semiconducting Materials for Organic Photovoltaics

    Article • The Journal of Physical Chemistry Letters, March 2010, American Chemical Society (ACS)

    Dr Takashi Sagawa

  124. Highly efficient and switchable electron-transfer system realised by peptide-assisted J-type assembly of porphyrin

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

    Dr Takashi Sagawa

  125. Versatile chiroptics of peptide-induced assemblies of metalloporphyrins

    Article • Organic & Biomolecular Chemistry, January 2010, Royal Society of Chemistry

    Dr Takashi Sagawa

  126. Improvement of Dye-Sensitized Solar Cell Through TiCl[sub 4]-Treated TiO[sub 2] Nanotube Arrays

    Article • Journal of The Electrochemical Society, January 2010, The Electrochemical Society

    Dr Takashi Sagawa

  127. Fabrication and Characterizations of Poly(3-hexylthiophene) Nanofibers

    Article • MRS Proceedings, January 2010, Springer Science + Business Media

    Dr Takashi Sagawa

  128. Poly(3-hexylthiophene) Nanofibers Fabricated by Electrospinning and Their Optical Properties

    Article • MRS Proceedings, January 2010, Springer Science + Business Media

    Dr Takashi Sagawa

  129. Electrospinning of poly(vinyl pyrrolidone): Effects of solvents on electrospinnability for the fabrication of poly(p-phenylene vinylene) and TiO2nanofibers

    Article • Journal of Applied Polymer Science, December 2009, Wiley

    Dr Takashi Sagawa

  130. Electrochemiluminescence Devices Consisting of ZnO Nanorods Vertically Grown on Substrate

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

    Dr Takashi Sagawa

  131. Synthesis and Photophysical and Photovoltaic Properties of Porphyrin−Furan and −Thiophene Alternating Copolymers

    Article • The Journal of Physical Chemistry C, May 2009, American Chemical Society (ACS)

    Dr Takashi Sagawa

  132. Effects of Electrode Structure on Photoelectrochemical Properties of ZnO Electrodes Modified with Porphyrin−Fullerene Composite Layers with an Intervening Fullerene Monolayer

    Article • The Journal of Physical Chemistry C, May 2009, American Chemical Society (ACS)

    Dr Takashi Sagawa

  133. Photocatalytic Activity for Hydrogen Evolution of Electrospun TiO2 Nanofibers

    Article • ACS Applied Materials & Interfaces, April 2009, American Chemical Society (ACS)

    Dr Takashi Sagawa

  134. Self-assembling fullerene derivatives for energy transfer in molecular gel system

    Article • Journal of Physics Conference Series, April 2009, Institute of Physics Publishing

    Dr Takashi Sagawa

  135. Single mode microwave irradiation to improve the efficiency of polymer solar cell based on poly(3-hexylthiophene) and fullerene derivative

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

    Dr Takashi Sagawa

  136. Efficient electron transfers in ZnO nanorod arrays with N719 dye for hybrid solar cells

    Article • Solid-State Electronics, February 2009, Elsevier

    Dr Takashi Sagawa

  137. Chirally self-assembled porphyrin nanowires assisted by L-glutamide-derived lipid for excitation energy transfer

    Article • Organic & Biomolecular Chemistry, January 2009, Royal Society of Chemistry

    Dr Takashi Sagawa

  138. Hybrid Bulk Heterojunction Solar Cells with Anatase Titanium Dioxide Nanotube Arrays from Liquid Phase Deposition by Using ZnO Template

    Article • January 2009, The Electrochemical Society

    Dr Takashi Sagawa

  139. Fine-Tuning of TiO2 Nanofibers-Mixed Nanoparticles-Photoelectrode for High Efficient Dye-Sensitized Solar Cells

    Article • January 2009, The Electrochemical Society

    Dr Takashi Sagawa

  140. Effect of Heat-Treatment on Electron Transport Process in TiO[sub 2] Nanotube Arrays Prepared Through Liquid Phase Deposition for Dye-Sensitized Solar Cells

    Article • Journal of The Electrochemical Society, January 2009, The Electrochemical Society

    Dr Takashi Sagawa

  141. A facile route to TiO2 nanotube arrays for dye-sensitized solar cells

    Article • Journal of Crystal Growth, January 2009, Elsevier

    Dr Takashi Sagawa

  142. Photovoltaic performance of hybrid solar cell with TiO2 nanotubes arrays fabricated through liquid deposition using ZnO template

    Article • Solar Energy Materials and Solar Cells, November 2008, Elsevier

    Dr Takashi Sagawa

  143. Efficient dye-sensitized solar cells using electrospun TiO2 nanofibers as a light harvesting layer

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

    Dr Takashi Sagawa

  144. Molecular organogel-forming porphyrin derivative with hydrophobic l-glutamide

    Article • Tetrahedron Letters, June 2008, Elsevier

    Dr Takashi Sagawa

  145. Ultrafine Electrospun Conducting Polymer Blend Fibers and Their Photoluminescence Properties

    Article • Macromolecular Symposia, March 2008, Wiley

    Dr Takashi Sagawa

  146. Temperature dependence of off-axis tensile creep rupture behavior of a unidirectional carbon/epoxy laminate

    Article • Composites Part A Applied Science and Manufacturing, March 2008, Elsevier

    Dr Takashi Sagawa

  147. Fabrication and Optical Properties of Electrospun Conductive Polymer Nanofibers from Blended Polymer Solution

    Article • Japanese Journal of Applied Physics, January 2008, Institute of Physics Publishing

    Dr Takashi Sagawa

  148. Fiber-Based Bulk-Heterojunction Organic Photovoltaic Cells

    Article • January 2008, Cambridge University Press

    Dr Takashi Sagawa

  149. TiO2 Nanotube Arrays by using ZnO Nanorod Template through Liquid Phase Deposition for Organic- Inorganic Hybrid Photovoltaic Cells

    Article • MRS Proceedings, January 2008, Springer Science + Business Media

    Dr Takashi Sagawa

  150. New Physical and Chemical Treatments to Improve the Quantum Efficiency in Polymer Solar Cells

    Article • MRS Proceedings, January 2008, Springer Science + Business Media

    Dr Takashi Sagawa

  151. Fabrication and Optical Properties of Electrospun Organic Semiconductor Nanofibers from Blended Polymer Solution

    Article • MRS Proceedings, January 2008, Springer Science + Business Media

    Dr Takashi Sagawa

  152. Porphyrin Assembly with Fullerenes for Photovoltaic Applications

    Article • MRS Proceedings, January 2008, Springer Science + Business Media

    Dr Takashi Sagawa

  153. Self-Assembled Nanofibrillar Aggregates with Amphiphilic and Lipophilic Molecules

    Article • ChemInform, October 2006, Wiley

    Dr Takashi Sagawa

  154. Self-Assembled Nanofibrillar Aggregates with Amphiphilic and Lipophilic Molecules

    Article • Macromolecular Symposia, March 2006, Wiley

    Dr Takashi Sagawa

  155. Surface Molecularly Imprinted TiO2 Nanoparticle for Photoreduction of Viologen

    Article • MRS Proceedings, January 2006, Cambridge University Press

    Dr Takashi Sagawa

  156. Self-assembly-based Thermo-responsible Luminescent Organogels of Chromophoric L-glutamide-derived Lipids

    Article • Journal of Materials Research, September 2005, Springer Science + Business Media

    Dr Takashi Sagawa

  157. Self-Assembled Organic Phase for Reversed-Phase HPLC

    Article • June 2005, Taylor & Francis

    Dr Takashi Sagawa

  158. Insertion of Phenylacetylene into Pt(SnMe3)2(PMe2Ph)2

    Article • Organometallics, March 2005, American Chemical Society (ACS)

    Dr Takashi Sagawa

  159. Insertion of Phenylacetylene into [Pt(GeMe3)(SnMe3)(PMe2Ph)2]

    Article • Bulletin of the Chemical Society of Japan, July 2004, The Chemical Society of Japan

    Dr Takashi Sagawa

  160. Reversible gelation in cyclohexane of pyrene substituted by dialkyl l-glutamide: photophysics of the self-assembled fibrillar network

    Article • Journal of Molecular Liquids, April 2004, Elsevier

    Dr Takashi Sagawa

  161. Rate-enhancement of hydrolysis of long-chain amino acid ester by cross-linked polymers imprinted with a transition-state analogue: evaluation of imprinting effect in kinetic analysis

    Article • Analytica Chimica Acta, February 2004, Elsevier

    Dr Takashi Sagawa

  162. Photosensitized NADH formation system with multilayer TiO2 filmElectronic supplementary information (ESI) available: experimental and spectroscopic data. See http://www.rsc.org/suppdata/cc/b3/b315382g/

    Article • Chemical Communications, January 2004, Royal Society of Chemistry

    Dr Takashi Sagawa

  163. Exciton interactions in cyanine dye–hyaluronic acid (HA) complex: reversible and biphasic molecular switching of chromophores induced by random coil-to-double-helix phase transition of HA

    Article • Chemical Communications, January 2004, Royal Society of Chemistry

    Dr Takashi Sagawa

  164. Dendritic Cyclotriphosphazene Derivative with Hexaxis(alkylazobenzene) Substitution as Photo-sensitive Trigger

    Article • Heterocycles, January 2004, Japan Institute of Heterocyclic Chemistry

    Dr Takashi Sagawa

  165. Facile Enantiomer Analysis by Combination of N‐Dansyl Amino Acid as Diastereomerizer and Molecular‐Shape Recognitive RP‐HPLC Using Comb‐Shaped Polymer‐Immobilized Silica

    Article • Journal of Liquid Chromatography &amp Related Technologies, January 2004, Taylor & Francis

    Dr Takashi Sagawa

  166. Photoinduced Reduction of Methylviologen with TiO2/Polymer Films

    Article • Chemistry Letters, October 2003, The Chemical Society of Japan

    Dr Takashi Sagawa

  167. Alkyne Insertion intocis-Silyl(stannyl)platinum(II) Complexes

    Article • Organometallics, October 2003, American Chemical Society (ACS)

    Dr Takashi Sagawa

  168. Article • Shinku, January 2003, The Vacuum Society of Japan

    Dr Takashi Sagawa

  169. Synthesis and Reactions of cis-Silyl(boryl)platinum(II) Complexes

    Article • Organometallics, November 2002, American Chemical Society (ACS)

    Dr Takashi Sagawa

  170. Self-Assembled Fibrillar Networks through Highly Oriented Aggregates of Porphyrin and Pyrene Substituted by Dialkyl l-Glutamine in Organic Media

    Article • Langmuir, June 2002, American Chemical Society (ACS)

    Dr Takashi Sagawa

  171. Chirality Control of Self-Assembling Organogels from a Lipophilic l-Glutamide Derivative with Metal Chlorides

    Article • Langmuir, June 2002, American Chemical Society (ACS)

    Dr Takashi Sagawa

  172. Metal Ion-induced Chirality and Morphology Control of Self-assembling Organogels from L-Glutamic Acid-derived Lipids

    Article • Chemistry Letters, May 2002, The Chemical Society of Japan

    Dr Takashi Sagawa

  173. Ruthenium-catalyzed hydrosilylation of terminal alkynes: stereodivergent synthesis of (E)- and (Z)-alkenylsilanes

    Article • Journal of Organometallic Chemistry, February 2002, Elsevier

    Dr Takashi Sagawa

  174. Article • Journal of Materials Science Letters, January 2002, Springer Science + Business Media

    Dr Takashi Sagawa

  175. Enhanced Molecular-Shape Selectivity for Polyaromatic Hydrocarbons through Isotropic-to-Crystalline Phase Transition of Poly(octadecyl acrylate)

    Article • Chemistry Letters, December 2001, The Chemical Society of Japan

    Dr Takashi Sagawa

  176. Influence of cross-linking monomer and hydrophobic styrene comonomer on stereoselective esterase activities of polymer catalyst imprinted with a transition-state analogue for hydrolysis of amino acid esters

    Article • Polymer, March 2001, Elsevier

    Dr Takashi Sagawa

  177. Shape- and stereo-selective esterase activities of cross-linked polymers imprinted with a transition-state analogue for the hydrolysis of amino acid esters

    Article • Journal of Molecular Catalysis A Chemical, January 2001, Elsevier

    Dr Takashi Sagawa

  178. Molecular Gradation In Glass By Using High Gravity: A Novel Method For Si-Ti Graded-Glass Preparation

    Article • January 2001, Springer Science + Business Media

    Dr Takashi Sagawa

  179. RETENTION BEHAVIORS OF POLYCYCLIC AROMATIC HYDROCARBONS ON COMB-SHAPED POLYMER IMMOBILIZED-SILICA IN RPLC

    Article • Journal of Liquid Chromatography &amp Related Technologies, September 2000, Taylor & Francis

    Dr Takashi Sagawa

  180. Recognition of critical pairs of polycyclic aromatics on crystalline, liquid-crystalline and isotropic regions of silica-supported polymer in HPLC

    Article • Chromatographia, July 2000, Springer Science + Business Media

    Dr Takashi Sagawa

  181. Mechanisms of C−Si and C−H Bond Formation on the Reactions of Alkenylruthenium(II) Complexes with Hydrosilanes

    Article • Organometallics, April 2000, American Chemical Society (ACS)

    Dr Takashi Sagawa

  182. Retention versatility of silica-supported comb-shaped crystalline and non-crystalline phases in high-performance liquid chromatography

    Article • Journal of Chromatography A, April 2000, Elsevier

    Dr Takashi Sagawa

  183. Enhancement of Diastereomer Selectivity Using Highly-Oriented Polymer Stationary Phase

    Article • Chemistry Letters, February 2000, The Chemical Society of Japan

    Dr Takashi Sagawa

  184. Preparation of SiO2-TiO2 Graded Glass by Using High Gravity Field Combined with Sol-Gel Method.

    Article • Journal of the Japan Society of Powder and Powder Metallurgy, January 2000, Japan Society of Powder and Powder Metallurgy

    Dr Takashi Sagawa

  185. Insertion of Phenylacetylene intocis-Silyl(stannyl)platinum Complexes

    Article • Chemistry Letters, December 1999, The Chemical Society of Japan

    Dr Takashi Sagawa

  186. Detection of highly oriented aggregation of L-glutamic acid-derived lipids in dilute organic solution

    Article • Liquid Crystals, July 1999, Taylor & Francis

    Dr Takashi Sagawa

  187. Crystalline polymer on silica. Geometrical selectivity for azobenzenes through highly-oriented structure

    Article • Polymer, May 1999, Elsevier

    Dr Takashi Sagawa

  188. A Novel Versatility of Catalase I as a Dioxygenase for Indole-ring-opening Dioxygenation

    Article • Chemistry Letters, April 1999, The Chemical Society of Japan

    Dr Takashi Sagawa

  189. Detection of Molecular-Shape Recognition for Polycyclic Aromatic Hydrocarbons by α-Helical Poly(L-Alanine) on Silica

    Article • Chemistry Letters, October 1998, The Chemical Society of Japan

    Dr Takashi Sagawa

  190. Tryptophan dioxygenase-like catalysis of achiral and chiral manganese(II) porphyrins for dioxygen-inserted indole-ring opening reactions

    Article • Journal of Molecular Catalysis A Chemical, November 1996, Elsevier

    Dr Takashi Sagawa

  191. Catalytic activity of a novel water-soluble cross-linked polymer imprinted by a transition-state analogue for the stereoselective hydrolysis of enantiomeric amino acid esters

    Article • Polymer, August 1996, Elsevier

    Dr Takashi Sagawa

  192. The role of membrane-promoted multi-point hydrophobic interactions between peptide catalysts and enantiomeric substrates in highly stereoselective hydrolyses of amino acid esters

    Article • Journal of Molecular Catalysis A Chemical, July 1996, Elsevier

    Dr Takashi Sagawa

  193. The role of the membrane-assisted hydrophobic interaction between di-, tri-, or tetrapeptide catalysts and amino acid esters for the enhancement of stereoselective hydrolysis reactions

    Article • Macromolecular Rapid Communications, February 1996, Wiley

    Dr Takashi Sagawa

  194. Catalytic activities of novel l-histidyl group-introduced polymers imprinted by a transition state analogue in the hydrolysis of amino acid esters

    Article • Journal of Molecular Catalysis A Chemical, August 1995, Elsevier

    Dr Takashi Sagawa

  195. Novel stereoselective incorporation and hydrolysis of long-chain amino-acid substrates by vesicular membrane systems which include tri- or tetra-peptide catalysts

    Article • Journal of the Chemical Society Perkin Transactions 1, January 1995, Royal Society of Chemistry

    Dr Takashi Sagawa

  196. Efficient multi-point interaction between peptide catalysts and amino acid esters in a bilayer vesicular membrane for highly stereoselective hydrolysis reactions

    Article • Journal of the Chemical Society Chemical Communications, January 1995, Royal Society of Chemistry

    Dr Takashi Sagawa

  197. High esterolytic activity of a novel water-soluble polymer catalyst imprinted by a transition-state analogue

    Article • Journal of the Chemical Society Chemical Communications, January 1995, Royal Society of Chemistry

    Dr Takashi Sagawa

  198. Supramolecules I. Catalytic and Stereoselective Molecular Recognition Abilities of Supramolecules Which Include Peptide Catalysts and a Vesicular Membrane.

    Article • KOBUNSHI RONBUNSHU, January 1995, Society of Polymer Science, Japan

    Dr Takashi Sagawa

  199. Supramolecules I. Molecular Design of Transitions-State Analogue-Imprinted Polymer Catalysts-Stereoselective Esterolysis of Amino Acid Esters.

    Article • KOBUNSHI RONBUNSHU, January 1995, Society of Polymer Science, Japan

    Dr Takashi Sagawa

  200. Homogeneous esterolytic catalysis of a polymer prepared by molecular imprinting of a transition state analogue

    Article • Journal of Molecular Catalysis, October 1994, Elsevier

    Dr Takashi Sagawa

  201. TRYPTOPHAN 2,3-DIOXYGENASE MODEL RING-OPENING DIOXYGENOLYSIS OF 3-METHYLINDOLE CATALYZED BY MI OR II (M = Cu, Mn, Fe, OR Co) WITH MONODENTATE LIGAND OR BIDENTATE LIGAND SYSTEMS

    Article • Journal of Coordination Chemistry, August 1994, Taylor & Francis

    Dr Takashi Sagawa

  202. Esterase activity of catalytic IgG and IgM antibodies for the hydrolysis of p-nitrophenyl acetate

    Article • Journal of Molecular Catalysis, June 1994, Elsevier

    Dr Takashi Sagawa

  203. Stereoselective oxidation of enantiomeric amines by a monoamine oxidase model of chiral iron(III) porphyrins

    Article • Journal of Molecular Catalysis, June 1994, Elsevier

    Dr Takashi Sagawa

  204. Homogeneous and heterogeneous esterolytic catalyses of imidazole-containing polymers prepared by molecular imprinting of a transition state analogue

    Article • Journal of Molecular Catalysis, January 1994, Elsevier

    Dr Takashi Sagawa

  205. Novel stereoselective monoamine oxidase reaction of chiral iron (III) porphyrins (a cytochrome P-450 model) and enantiomeric amines

    Article • Journal of Molecular Catalysis, November 1993, Elsevier

    Dr Takashi Sagawa

  206. The Catalytic Activities of IgG and IgM Monoclonal Antibodies for the Hydrolysis ofp-Nitrophenyl Acetate

    Article • Chemistry Letters, June 1993, The Chemical Society of Japan

    Dr Takashi Sagawa

  207. Tryptophan 2,3-dioxygenase-like activity of manganese (III) porphyrin bound to bovine serum albumin modified with poly(ethylene glycol)

    Article • Journal of Molecular Catalysis, May 1993, Elsevier

    Dr Takashi Sagawa

  208. Enzymatic tryptophan 2,3-dioxygenase-like activity of a manganese porphyrin bound to bovine serum albumin modified with poly(ethylene glycol)

    Article • Journal of the Chemical Society Perkin Transactions 2, January 1993, Royal Society of Chemistry

    Dr Takashi Sagawa

  209. Tryptophan 2,3-dioxygenase-like Activity of Monoclonal Antibody Anchored by a Manganese(III) Porphyrin Complex

    Article • Chemistry Letters, January 1993, The Chemical Society of Japan

    Dr Takashi Sagawa

  210. Catalytic and stereoselective activities of manganese achiral and chiral porphyrins in dioxygenation of tryptophan derivatives

    Article • Inorganic Chemistry, June 1992, American Chemical Society (ACS)

    Dr Takashi Sagawa

  211. Stereoselective Dioxygenolysis of a Tryptophan Derivative Catalyzed by a Manganese Porphyrin Bound to Bovine Serum Albumin

    Article • Chemistry Letters, December 1991, The Chemical Society of Japan

    Dr Takashi Sagawa

  212. Ring-opening dioxygenatton of 3,5-Di-t-butylcatechol by FeCl2/monodentate ligand/bidentate ligand systems

    Article • Journal of Molecular Catalysis, September 1990, Elsevier

    Dr Takashi Sagawa

  213. Stereoselective dioxygenation of a tryptophan derivative catalyzed by a manganese porphyrin included in bovine serum albumin

    Article • Journal of Molecular Catalysis, August 1989, Elsevier

    Dr Takashi Sagawa

  214. Stereoselective dioxygenation of a racemic tryptophan derivative catalysed by chiral manganese porphyrins

    Article • Journal of the Chemical Society Chemical Communications, January 1989, Royal Society of Chemistry

    Dr Takashi Sagawa