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    Academic Paper
  1. S. Ito, K. Ishikawa, C.-J. Wen, S. Yoshida, T. Watanabe
    “Dye-Sensitized Photocells with Meso-Macroporous TiO2 Film Electrodes”
    Bull. Chem. Soc. Jpn, 73 (2000) pp. 2609-2614.
  2. S. Ito, S. Yoshida, T. Watanabe
    “Fabrication and Characterization of Meso-Macroporous Anatase TiO2 Films”
    Bull. Chem. Soc. Jpn, 73 (2000) pp. 1933-1938.
  3. S. Ito, S. Yoshida, T. Watanabe
    “Preparation of Colloidal Anatase TiO2 Secondary Submicroparticles by Hydrothermal Sol-Gel Method”
    Chem. Lett., (2000) pp. 70-71.
  4. D. Zhang, S. Ito, Y. Wada, T. Kitamura, S. Yanagida
    “Nanocrystalline TiO2 Electrodes Prepared by Water-Medium Screen Printing Technique”
    Chem. Lett. (2001) pp. 1042-1043.
  5. K.-J. Jiang, T. Kitamura, H. Yin, S. Ito, S. Yanagida,
    “Dye-Sensitized Solar Cells using Brookite Nanoparticle TiO2 Films as Electrodes”,
    Chem. Lett. (2002) pp. 872-873.
  6. S. Perera, R. Senadeera, K. Tennakone, S. Ito, T. Kitamura, Y. Wada, S. Yanagida
    “The Effect of MgO on the Enhancement of the Efficiency in Solid-State Dye Sensitized Photocells Fabricated with SnO2 and CuI”
    Bull. Chem. Soc. Jpn, l76 (2003) pp. 659-662.
  7. S. Ito, T. Kitamura, Y. Wada, S. Yanagida,
    “Facile Fabrication of Mesoporous TiO2 Electrodes for Dye Solar Cells: Chemical Modification and Repetitive Coating”,
    Sol. Energy Mater. Sol. Cells, 76 (2003) pp. 3-13.
  8. S. Ito, T. Takeuchi, T. Katayama, M. Sugiyama, M. Matsuda, T. Kitamura, Y. Wada, S. Yanagida,
    “Conductive and Transparent Multilayer Films for Low-Temperature-Sintered Mesoporous TiO2 Electrodes of Dye-Sensitized Solar Cells”
    Chem. Mater., 15 (2003) pp. 2824-2828.
  9. S. Ito, H. Matsui, K. Okada, S. Kusano, T. Kitamura, Y. Wada, S. Yanagida
    “Calibration of Solar Simulator for Evaluation of Dye-Sensitized Solar Cells”
    Solar Energy Mater. Solar Cells, 82 (2004) pp. 421-429.
  10. S. Ito, Y. Makari, T. Kitamura, Y. Wada, S. Yanagida,
    “Fabrication and Characterization of Flat-Porous SnO2/ZnO-Composite Electrodes for Dye Solar Cells by Doctor-Blade Coating”
    J. Mater. Chem., 14 (2004) pp. 385-390.
  11. S. Ito, Y. Yamada, M. Kuze, K. Tabata, T. Yashima
    “General Process for Transparent Porous Metal-Oxides Electrodes”
    Journal of Materials Science, 39 (2004) pp. 5853-5856.
  12. X.-F. Wang, R. Fujii, S. Ito, Y. Koyama, Y. Yamano, M. Ito, T. Kitamura, S. Yanagida
    “Dye-Sensitized Solar Cells Using the Carotenoic Acid.TiO2 Systems: Dependence of Performance on the Conjugation Length”
    Chem. Phys. Letter, 416 (2005) pp. 1-6.
  13. S. Ito, K. R Thampi, G. Rothenberger, P. Comte, P. Liska, M. Grätzel
    “Highly Active Meso-Microporous TaON Photocatalyst Driven by Visible Light”
    Chem. Commun., (2005) pp. 268-270.
  14. M. K. Nazeeruddin, F. De Angelis, S. Fantacci, A. Selloni, G. Viscardi, P. Liska, S. Ito, B. Takeru, M. Grätzel
    “Combined Experimental and DFT-TDDFT Computational Study of Photoelectrochemical Cell Ruthenium Sensitizers”
    J. Am. Chem. Soc., 127 (2005) pp. 16835-16846.
  15. L. Schmidt-Mende, U. Bach, R. Humphry-Baker, T. Horiuchi, H. Miura, S. Ito, S. Uchida, M. Grätzel
    “Organic Dye for Highly Efficient Solid State Dye Sensitized Solar Cells”
    Adv. Mater., 17 (2005) pp. 813-815.
  16. S. Ito, P. Liska, P. Comte, R. Charvet, P. Péchy, U. Bach, L. Schmidt-Mende, S. M. Zakeeruddin, A. Kay, M. K. Nazeeruddin, M. Grätzel
    “Control of Dark Current in Photoelectrochemical (TiO2/I--I3-) for Dye-Sensitized Solar Cells”
    Chem. Commun., (2005) pp. 4351-4353.
  17. S. Ito, M. K. Nazeeruddin, P. Liska, P. Comte, R. Charvet, P. Péchy, M. Jirousek, A. Kay, S. M. Zakeeruddin, M. Grätzel
    “Photovoltaic characterization of dye-sensitized solar cells: Effect of device masking on conversion efficiency”
    Progress in Photovoltaics: Research and Applications, 14 (2006) pp. 589-601.
  18. S. Ito, P. Liska, R. Charvet, P. Comte, S. M. Zakeeruddin, M. K. Nazeeruddin, P. Péchy, R. Humphry-Baker, T. Horiuchi, H. Miura, S. Uchida, M. Grätzel,
    “High-Efficiency Organic-Dye-Sensitized Solar Cells Controlled by Nanocrystalline-TiO2 Electrode Thickness”
    Adv. Mater., 18 (2006) pp. 1202-1205.
  19. Z. Zhipan, S. Ito, B. O’Regan, R. Humphry-Baker, P. Liska, R. Charvet, P. Comte, M. K. Nazeeruddin, S. M. Zakeeruddin, P. Péchy, T. Mizuno, M. Grätzel
    “The Electronic Role of the TiO2 Light-Scattering Layer in Dye-Sensitized Solar Cells”,
    Zeitschrift für Physikalische Chemie, 221 (2007) pp. 319-328.
  20. D. Kuang, S. Ito, B. Wenger, C. Klein, J.-E. Moser, S. M. Zakeeruddin, M. Grätzel
    “High Molar Extinction Coefficient Heteroleptic Ruthenium Complexes for Thin Film Dye-Sensitized Solar Cells”
    J. Am. Chem. Soc., 128, (2006) pp. 4146-4154.
  21. T. N. Murakami, S Ito, T. Bessho, M. K. Nazeeruddin, P. Comte, R. Charvet, M. Grätzel
    “Highly Efficient Dye-Sensitized Solar Cells Based on Carbon Black Counter Electrode”
    J. Electrochem. Soc., 153 (2006) pp. A2255-A2261.
  22. C. Barolo, M. K. Nazeeruddin, S. Fantacci, D. Di Censo, P. Comte, P. Liska, G. Viscardi, P. Quagliotto, F. De Angelis, S. Ito, M. Grätzel
    “Synthesis, Characterization, and DFT-TDDFT Computational Study of a Ruthenium Complex Containing a Functionalized Tetradentate Ligand”
    Inorg. Chem., 45 (2006) pp. 4642-4653.
  23. M. K. Nazeeruddin, T. Bessho, S. Ito, C. Klein, F. De Angelis, S. Fantacci, P. Comte, P. Liska, H. Imai, M. Grätzel
    “A High Molar Extinction Coefficient Charge Transfer Sensitizer and its Application in Dye Sensitized Solar Cell”
    J. Photochem. Photobiol. A, Chem., 185 (2007) pp. 331-337.
  24. Q. Wang, S. Ito, M. Grätzel, F. Fabregat-Santiago, I. Mora-Sero, J. Bisquert, T. Bessho, H. Imai
    “Characteristics of High Efficiency Dye-Sensitized Solar Cells”
    J. Phys. Chem. B. 110 (2006) pp. 25210-25221.
  25. D. Kuang, P. Wang, S. Ito, C. Klein, J.-E. Moser, S. M. Zakeeruddin, M. Grätzel
    “Stable Mesoscopic Dye Sensitized Solar Cells Based on Tetracyanoborate Ionic Liquid Electrolyte”
    J. Am. Chem. Soc., 128 (2006) pp. 7732-7733.
  26. S. Ito, N.-L. Cevey-Ha, P. Liska, P. Comte, M. K. Nazeeruddin, P. Péchy, S. M Zakeeruddin, M. Grätzel
    “High-efficiency (7.2%) flexible dye-sensitized solar cells with Ti-metal substrates for nanocrystalline-TiO2 photoanode”
    Chem. Commun. (2006) pp. 4004-4006.
  27. S. Ito, P. Chen, P. Comte, P. Liska, M. K. Nazeeruddin, P. Péchy, M. Grätzel
    “Fabrication of Screen Print Paste from TiO2 Powders for Dye-Sensitized Solar Cells”
    Progress in Photovoltaics: Research and Applications, 15 (2007), pp. 603-612.
  28. D. Kuang, C. Klein, S. Ito, J.-E Moser, R. Humphry-Baker, S. M. Zakeeruddin, M. Grätzel *
    “High Molar Extinction Coefficient Ion-Coordinating Ruthenium Sensitizer for Efficient and Stable Mesoscopic Dye-Sensitized Solar Cells”
    Adv. Fuct. Mater., 17 (2007) pp. 154-160.
  29. D. Kuang, C. Klein, S. Ito, J.-E Moser, R. Humphry-Baker, N. Evans, F. Duriaux, C. Grätzel, S. M. Zakeeruddin, M. Grätzel
    “High Efficiency and Stable Mesoscopic Dye-sensitized Solar Cells based on a High Molar Extinction Coefficient Ruthenium Sensitizer and non-Volatile Electrolyte”
    Adv. Mater., 19 (2007) pp. 1133-1137.
  30. D. Kuang, C. Klein, Z. Zhang, S. Ito, J.-E Moser, S. M. Zakeeruddin, M. Grätzel*,
    “Stable High Efficiency Ionic Liquid Electrolyte Based Mesoscopic Dye-sensitized Solar Cells”
    Small, 3 (2007) pp. 2094-2102.
  31. A. Burk, L. Schmidt-Mende, S. Ito, M. Grätzel*
    “A Novel Blue Dye for Near-IR "Dye-Sensitised" Solar Cell Applications”
    Chem. Commun., (2007) pp. 234-236.
  32. S. Ito, T. N. Murakami, P. Comte, P. Liska, M. K. Nazeeruddin, M. Grätzel
    “Fabrication of Thin Film Dye Sensitized Solar Cells with Solar to Electric Power Conversion Efficiency over 10%”
    Thin Solid Films, 516, (2008) pp. 4613-4619.
  33. A. Burke, S. Ito, H. Snaith, U. Bach, J. Kwiatkowski, M. Grätzel
    “The Function of a TiO2 Compact Layer in Dye-Sensitized Solar Cells Incorporating “Planar” Organic Dyes”
    Nano Letters, 8, (2008), pp. 977-981.
  34. S. Ito, H. Miura, S. Uchida, M. Takata, K. Sumioka, P. Liska, P. Comte, P. Péchy, M. Grätzel
    “High-conversion-efficiency organic dye-sensitized solar cells with a novel indoline dye”
    Chemical Communications, (2008) pp. 5194-5196.
  35. S. Ito, S. M. Zakeeruddin, P. Comte, P. Liska, D. Kuang, M. Grätzel
    “Bifacial dye-sensitized solar cells based on an ionic liquid electrolyte”
    Nature Photonics, 2 (2008) pp. 693-698.
  36. H. J. Lee, H. C. Leventis, S.-J. Moon, P. Chen, S. Ito, S. A. Haque, T. Torres, F. Nüesch, T. Geiger, S. M. Zakeeruddin, M. Grätzel, M. K.Nazeeruddin
    “PbS and CdS Quantum Dots-Sensitized Solid-State Solar Cells: Old Concepts, New Results”
    Adv. Funct. Mater., 19 (2009) pp. 2735-2742.
  37. H. J. Snaith, A. Petrozza, S. Ito, H. Miura, M. Grätzel
    “Charge Generation and Photovoltaic Operation of Solid-State Dye-Sensitized Solar Cells Incorporating a High Extinction Coefficient Indolene-Based Sensitizer”
    Adv. Funct. Mater.s 19 (2009) pp. 1810-1818.
  38. H. Imahori, T. Umeyama, S. Ito
    “Large pai-Aromatic Molecules as Potential Sensitizers in Dye-Sensitized Solar Cells”
    Accounts of Chemical Research, 42 (2009) 1809-1818.
  39. S. Ito, M. K. Nazeeruddin, P. Péchy, P. Comte, S. M. Zakeeruddin, M. Grätzel, T. Mizuno, A. Tanaka, T. Koyanagi
    “Study of Dye-Sensitized Solar Cells by Scanning Electron Micrograph Observation and Thickness Optimization of Porous TiO2 Electrodes”
    Int. J. Photoenergy, (2009), Article ID 517609.
  40. Z. Zhang, S. Ito, J.-E. Moser, S. M. Zakeeruddin, M. Grätzel
    “Influence of Iodide Concentration on the Efficiency andStability of Dye-Sensitized Solar Cell Containing Non-Volatile Electrolyte”
    ChemPhysChem, 10 (2009) pp. 1834-1838.
  41. S. Ito, T. Saitou, H. Imahori, H. Uehara, N. Hasegawa
    “Fabrication of dye-sensitized solar cells using natural dye for food pigment: Monascus yellow”
    Energy Environm. Sci., 3 (2010) pp. 905-909.
  42. A. Kira, Y. Matsubara, H. Iijima, T. Umeyama, Y. Matano, S. Ito, M Niemi, N. V. Tkachenko, H. Lemmetyinen, H. Imahori,
    “Effects of π-Elongation and Fused Position of Quinoxaline-Fused Porphyrins as Sensitizers in Dye-Sensitized Solar Cells on Optical, Electrochemical, and Photovoltaic Properties”
    J. Phys. Chem. C., 114 (2010) pp. 11293-11304.
  43. H. Imahori, Y. Matsubara, H. Iijima, T. Umeyama, Y. Matano, S. Ito, M. Niemi, N. V. Tkachenko, H. Lemmetyinen
    “Effects of meso-Diarylamino Group of Porphyrins as Sensitizers in Dye-Sensitized Solar Cells on Optical, Electrochemical, and Photovoltaic Properties”
    J. Phys. Chem. C. 114 (2010) pp. 10656-10665.
  44. Y. Yamamoto, Y. Aoyama, S. Shimizu, J. Kano, F. Saito, S. Ito,
    “Influence of Titania Dispersivity on the Conversion Efficiency of Dye-Sensitized Solar Cells”
    Int. J. Photoenergy, 2011 (2011), Article ID 234931.
  45. H. Imahori, H. Iijima, H. Hayashi, Y. Toude, T. Umeyama, Y. Matano, and S. Ito
    “Bisquinoxaline-Fused Porphyrins for Dye-Sensitized Solar Cells”
    ChemSusChem, 4 (2011) pp. 797-805.
  46. S. Mathew, H. Iijima, Y. Toude, T. Umeyama, Y. Matano, S. Ito, N. V. Tkachenko, H. Lemmetyinen, H. Imahori
    “Optical, Electrochemical, and Photovoltaic Effects of an Electron-Withdrawing Tetrafluorophenylene Bridge in a Push-Pull Porphyrin Sensitizer Used for Dye-Sensitized Solar Cells”,
    J. Phys. Chem. C, 115 (2011) pp. 14415-14424.
  47. S. Ito, I.M. Dharmadasa, G.J. Tolan, J.S. Roberts, G. Hill, H. Miura, J.-H. Yum, P. Péchy, P. Liska, P. Comte, M. Grätzel
    “High-voltage (1.8 V) tandem solar cell system using a GaAs/AlXGa(1_X)As graded solar cell and dye-sensitised solar cells with organic dyes having different absorption spectra”
    Solar Energy 85 (2011) pp. 1220-1225.
  48. S. Ito, Y. Mikami
    “Porous Carbon Layers for Counter Electrode in Dye-Sensitized Solar Cells: Recent Advances and A New Screen-Printing Method”
    Pure and Applied Chemistry, 83 (2011) pp. 2089-2106.
  49. T. Ryo, D.-C. Nguyen, M. Nakagiri, N. Toyoda, H. Matsuyoshi, S. Ito
    “Characterization of Superstrate Type CuInS2 Solar Cells Deposited by Spray Pyrolysis Method”
    Thin Solid Films, 519 (2011) pp. 7184-7188.
  50. D.-C. Nguyen, K. Takehara, T. Ryo, S. Ito
    “Back Contact Materials for Superstrate CuInS2 Solar Cells”
    Energy Procedia, 10 (2011) pp. 49-54.
  51. K. Tsujimoto, S. Ito, S. Yusa, T. Imamura
    “Dye-Sensitized Solar Cells using Surface-Stabilized Nanocrystalline-TiO2 Electrodes coated by Epoxy Polymer”,
    Energy Science and Technology, 2 (2011) pp. 74-78.
  52. Y. Yamamoto, M. Kawaraya, H. Segawa, S. Uchida, J. Kano, F. Saito, K. Tsujimoto, T. Saito, S. Ito,
    “10% Efficiency Dye-sensitized Solar Cells Using P25 TiO2 Nanocrystalline Electrode Prepared by a Bead-milling Method”
    Chem. Lett., 40 (2011) pp. 1220-1222.
  53. S. Ito, K. Takahashi, S. Yusa, T. Imamura, K. Tanimoto
    “Effects of Homogenization Scheme of TiO2 Screen-Printing Paste for Dye-Sensitized Solar Cells”
    Int. J. Photoenergy, 2012 (2012), Article ID 405642.
  54. K. Tsujimoto, D.-C. Nguyen, S. Ito, H. Nishino, H. Matsuyoshi, A. Konno, G. R. A. Kumara, K. Tennakone,
    “TiO2 Surface Treatment Effects by Mg2+, Ba2+, and Al3+ on Sb2S3 Extremely Thin Absorber Solar Cells”
    J. Phys. Chem. C, 116 (2012) pp. 13465-13471.
  55. S. Ito, K. Takahashi
    “Fabrication of Monolithic Dye-Sensitized Solar Cell Using Ionic Liquid Electrolyte”
    Int. J. Photoenergy, 2012, (2012) Article ID 915352.
  56. D.-C. Nguyen, S. Ito, M. Inoue, S. Yusa
    “Superstrate CuInSe2-Printed Solar Cells on In2S3/TiO2/FTO/Glass Plates”
    Energy Sci. Tech., 3 (2012) 1-8.
  57. D.-C. Nguyen, Y. Mikami, K. Tsujimoto, T. Ryo, S. Ito,
    “Spray-Pyrolyzed 3-D CuInS2 Solar Cells on Nanocrystalline-Titania Electrodes with Chemical Bath Deposited Inx(OH)ySz Buffer Layers”
    Jpn. J. Appl. Phys. 51 (2012) Article ID 10NC23.
  58. S. Ito, T. Ryo
    “Segregation of Cu-In-S Elements in the Spray-Pyrolysis-Deposited Layer of CIS Solar Cells”
    Adv. Mater. Sci. Eng. 2012 (2012) Article ID 136092.
  59. D.-C. Nguyen, S. Ito
    “Narrow Band Gap AgInTe2 Solar Cells Fabricated by Printing Method”
    Energy Sci. Tech. 4 (2012) pp. 1-5.
  60. H. Harano, D.-C. Nguyen, S. Ito
    “CuInS2 Superstrate Solar Cells with ZnO Compact Layer Fabricated by Totally Non-vacuumMethods”
    J. Adv. Oxid. Technol. 16 (2013) pp. 102-106.
  61. D.-C. Nguyen, S. Ito
    “Cu2Te solar cells fabricated by printing”
    Int. J. Nanotechnology, 10 (2013) pp. 269-278.
  62. T. Ryo, D.-C. Nguyen, S. Ito
    “Effect of Na and Ti-doping on photovoltaic properties of CuInS2 solar cells”
    Int. J. Nanotechnology, 10 (2013) pp. 279-287.
  63. N. Kitagawa, S. Ito, D.-C. Nguyen, H. Nishino,
    “Copper Zinc Sulfur Compound Solar Cells Fabricated by Spray Pyrolysis Deposition for Solar Cells”
    Natural Resources, 4 (2013) pp. 142-145.
  64. D.-C. Nguyen, S. Tanaka, H. Nishino, K. Manabe, S. Ito
    “3-D solar cells by electrochemical-deposited Se layer as extremely-thin absorber and hole conducting layer on nanocrystalline TiO2 electrode”
    Nanoscale Research Letters 8 (2013) Article ID 8.
  65. H. Hayashi, A. S. Touchy, Y. Kinjo, K. Kurotobi, Y. Toude, S. Ito, H. Saarenp, N. V. Tkachenko, H. Lemmetyinen, H. Imahori
    “Triarylamine-Substituted Imidazole- and Quinoxaline-Fused Push-Pull Porphyrins for Dye-Sensitized Solar Cells”
    ChemSusChem 6 (2013) pp. 508-517.
  66. S. Ito, K. Tsujimoto, D.-C. Nguyen, K. Manabe, H. Nishino
    “Doping effects in Sb2S3 absorber for full-inorganic printed solar cells with 5.7% conversion efficiency”
    Int. J. Hydrogen Energy, 38 (2013) pp. 16749-16754.
  67. S. Ito, K. Takahashi, S. Yusa, M. Saito, T. Shigetomi
    “Ultradurable Dye-Sensitized Solar Cells under 120 °C Using Cross-Linkage Dye and Ionic-Liquid Electrolyte”
    Int. J. Photoenergy, 2013 (2013) Article ID 501868.
  68. D.-C. Nguyen, K. Fukatsu, K. Tanimoto, S. Ikeda, M. Matsumura, S. Ito
    “The Effect of Annealing Temperature and KCN Etching on the Photovoltaic Properties of Cu(In,Ga)(S,Se)2 Solar Cells Using Nanoparticles”
    Int. J. Photoenergy, 2013 (2013) Article ID 416245.
  69. K Kurotobi, K. Kawamoto, Y Toude, Y. Fujimori, Y. Kinjo, S. Ito, Y. Matano, H. Imahori
    “Synthesis and Photovoltaic Properties of Phenylethynyl-substituted Diazaporphyrin”
    Chem. Lett., 42 (2013) pp. 725-726.
  70. H. Imahori, K. Kurotobi, Y. Toude, K. Kawamoto, Y. Fujimori, S. Ito, P. Chabera, V. Sundstrom
    “Highly Asymmetrical Porphyrins with Enhanced Push-Pull Character for Dye-Sensitized Solar Cells”
    Chem. A European J., 19 (2013) pp. 17075-17081.
  71. S. Ito
    “Printable Solar Cells”
    Wiley Interdisciplinary Reviews: Energy and Environment (2014) DOI: 10.1002/wene.112.
  72. S. Ito, S. Tanaka, H. Vahlman, H. Nishino, K. Manabe, P. Lund
    “Carbon-Doublebond-Free Printed Solar Cells as TiO2/CH3NH3PbI3/CuSCN/Au: Structural Control and Photo-Aging Effects”
    ChemPhysChem, 15, (2014) pp. 1194-1200.
  73. S. Ito, T. N. Murakami, S. M. Zakeeruddin, T. Yazawa, M. Mizuno, S. Kayama, and M. Grätzel
    “Effects of TiO2 Particle Size on the Performance of Dye-Sensitized Solar Cells using Ionic Liquid Electrolytes”
    Nano, 9 (2014) Article ID 1440010.
  74. P. Qin, S. Tanaka, S. Ito, N. Tetreault, K. Manabe, H Nishino, M. K. Nazeeruddin, M. Grätzel
    “Inorganic Hole Conductor-Based Lead Halide Perovskite Solar Cells with 12.4% Conversion Efficiency”
    Nature Communications, 5 (2014) Article ID 3834.
  75. S. Ito, N. Kitagawa, T. Shibahara, and H. Nishino
    “Electrochemical Deposition of Te and Se on Flat TiO2 for Solar Cell Application”
    International Journal of Photoenergy, 2014 (2014) Article ID 943538.
  76. S. Ito, S. Tanaka, K. Manabe, H. Nishino
    “Effects of Surface Blocking Layer of Sb2S3 on Nanocrystalline TiO2 for CH3NH3PbI3 Perovskite Solar Cells”
    J. Phys. Chem. C 118 (2014) pp. 16995-17000.
  77. G. Murugadoss, G. Mizuta, S. Tanaka, H. Nishino, T. Umeyama, H. Imahori, and S. Ito
    “Double functions of porous TiO2 electrodes on CH3NH3PbI3 perovskite solar cells: Enhancement of perovskite crystal transformation and prohibition of short circuiting”
    APL Materials, 2 (2014) Article ID 081511.
  78. T. Higashino, Y. Fujimori, K. Sugiura, Y. Tsuji, S. Ito and H. Imahori
    “Synthesis of push-pull porphyrin with two electron-donating and two electron-withdrawing groups and its application to dye-sensitized solar cell”
    J. Porphyrins Phthalocyanines, 14 (2014) pp. 140-149.
  79. A. Uzum, K. Fukatsu, H. Kanda, Y. Kimura, K. Tanimoto, S. Yoshinaga, Y. Jiang, Y. Ishikawa, Y. Uraoka, S. Ito
    “Silica-sol-based spin-coating barrier layer against phosphorous diffusion for crystalline silicon solar cells”
    Nanoscale Research Letters, 9 (2014) Article ID 659.
  80. A. Uzum, T. Ashikaga, T. Noguchi, H. Kanda, T. Matsuoka, T. Nakanishi, H. Fukui, T. Harada, S. Ito
    “Water Soluble Aluminum Paste Using Polyvinyl Alcohol for Silicon Solar Cells”
    International Journal of Photoenergy, 2015 (2015) Article ID 404915.
  81. S. Ito, S. Tanaka, H. Nishino
    “Lead-Halide Perovskite Solar Cells by CH3NH3I Dripping on PbI2-CH3NH3I-DMSO Precursor Layer for Planar and Porous Structures Using CuSCN Hole-Transporting Material”
    J. Phys. Chem. Lett. 6 (2015), pp. 881-886
  82. D.-C. Nguyen, S. Ito, D. V. A. Dung
    “Effects of annealing conditions on crystallization of the CZTS absorber and photovoltaic properties of Cu(Zn,Sn)(S,Se)2 solar cells”
    Journal of Alloys and Compounds, 632 (2015) pp. 676-680.
  83. G. Murugadoss, S. Tanaka, G. Mizuta, S. Kanaya, H. Nishino, T. Umeyama, H. Imahori, S. Ito
    “Light stability tests of methylammonium and formamidinium Pb-halide perovskites for solar cell applications”
    Japanese Journal of Applied Physics 54 (2015) Article ID 08KF08.
  84. T. Higashino, Y. Fujimori, K. Sugiura, Y. Tsuji, S. Ito, H. Imahori
    “Tropolone as a High-Performance Robust Anchoring Group for Dye-Sensitized Solar Cells”
    Angew Chem Int Ed. 54 (2015) pp. 9052-9056.
  85. S. Ito, S. Tanaka, H. Nishino
    “Substrate-preheating Effects on PbI2 Spin Coating for Perovskite Solar Cells via Sequential Deposition”
    Chem. Lett. 44 (2015) pp. 849-851.
  86. R. Jarrett, H. Kanda, N. Harano, T. Noguchi, R. Crook, S. Ito
    “Evidence of plasmonic effects in random orientation silver nanowire meshes on silicon”
    Solar Energy 116 (2015) pp. 257-264.
  87. Y. Yue, T. Umeyama, Y. Kohara, H. Kashio, M. Itoh, S. Ito, E. Sivaniah, H. Imahori
    “Polymer-Assisted Construction of Mesoporous TiO2 Layers for Improving Perovskite Solar Cell Performance”
    J. Phys. Chem. C 119 (2015) pp. 22847-22854.
  88. T. Higashino, Y. Tsuji, Y. Fujimori, K. Sugiura, S. Ito, H. Imahori
    “PushPull Bacteriochlorin: Panchromatic Sensitizer for Dye-sensitized Solar Cell”
    Chemistry Letters 44 (2015) pp. 1395-1397.
  89. H. K. Adli, T. Harada, W. Septina, S. Hozan, S. Ito, S. Ikeda
    “Effects of porosity and amounts of surface hydroxyl groups of a porous TiO2 layer on the performance of a CH3NH3PbI3 perovskite photovoltaic cell”
    J. Phys. Chem. C 119 (2015), pp. 22304-22309.
  90. T. Umeyama, D. Matano, J. Baek, S. Gupta, S. Ito, V. Subramanian, H. Imahori
    “Boosting of the Performance of Perovskite Solar Cells through Systematic Introduction of Reduced Graphene Oxide in TiO2 Layers”
    Chemistry Letters 44 (2015) pp. 1410- 1412.
  91. S. Ito, S. Kanaya, H. Nishino, T. Umeyama, H. Imahori
    “Material Exchange Property of Organo Lead Halide Perovskite with Hole-Transporting Materials”
    Photonics 2 (2015) pp. 1043-1053.
  92. Z. Tang, S. Tanaka, S. Ito, S. Ikeda, K. Taguchi, T. Minemoto
    “Investigating relation of photovoltaic factors with properties of perovskite films based on various solvents”
    Nano Energy (2016) 21, pp. 51-61.
  93. G. Murugadoss, H. Kanda, S. Tanaka, H. Nishino, S. Ito, H. Imahori, T. Umeyama
    "An efficient electron transport material of tin oxide for planar structure perovskite solar cells"
    Journal of Power Sources 307 (2016) pp. 891-897.
  94. T. Higashino, K. Kawamoto, K. Sugiura, Y. Fujimori, Y. Tsuji, K. Kurotobi, S. Ito, H. Imahori
    “Effects of Bulky Substituents of Push-Pull Porphyrins on Photovoltaic Properties of Dye-Sensitized Solar Cells”
    ACS Appl. Mater. Interfaces 8 (2016) pp. 15379-15390.
  95. H. Kanda, A. Uzum, N. Harano, S. Yoshinaga, Y. Ishikawa, Y. Uraoka, H. Fukui, T. Harada, S. Ito,
    “Al2O3/TiO2 double layer anti-reflection coating film for crystalline silicon solar cells formed by spray pyrolysis”
    Energy Science & Engineering 4 (2016) pp. 269-276.
  96. S. Ito, G. Mizuta, S. Kanaya, H. Kanda, T. Nishina, S. Nakashima, H. Fujisawa, M. Shimizu, Y. Haruyama, H. Nishino
    “Light stability tests of CH3NH3PbI3 perovskite solar cells using porous carbon counter electrodes”
    Phys.Chem.Chem.Phys. 18 (2016) pp. 27102-27108.
  97. T. Higashino, K. Sugiura, Y. Tsuji, S. Nimura, S. Ito, H. Imahori
    “A PushPull Porphyrin Dimer with Multiple Electron-donating Groups for Dye-sensitized Solar Cells: Excellent Light-harvesting in Near-infrared Region”
    Chem. Lett. 45 (2016) pp. 1126-1128.
  98. A. Uzum, M. Kuriyama, H. Kanda, Y. Kimura, K. Tanimoto, S. Ito
    “Non-Vacuum Processed Polymer Composite Antireflection Coating Films for Silicon Solar Cells”
    Energies 9 (2016) 633.
  99. S. Ito
    “Research Update: Overview of progress about efficiency and stability on perovskite solar cells”
    APL Mater. 4 (2016) 091504.
  100. I. Raifuku, Y. Ishikawa, S. Ito, Y. Uraoka
    “Characteristics of Perovskite Solar Cells under Low-Illuminance Conditions”
    J. Phys. Chem. C 120 (2016) pp. 18986-18990.
  101. A. K. Baranwal, S. Kanaya, T. A. N. Peiris, G. Mizuta, T. Nishina, H. Kanda, T. Miyasaka, H. Segawa, S. Ito
    “100 °C Thermal Stability of Printable Perovskite Solar Cells Using Porous Carbon Counter Electrodes”
    ChemSusChem 9 (2016) 2604-2608.
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