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石川 良
イシカワ リョウ
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理工学研究科 |
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助教 |
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埼玉県さいたま市桜区下大久保255 |
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プロフィール
研究活動業績
研究業績(著書・発表論文等)
- 論文
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Improved efficiency of methylammonium-free perovskite thin film solar cells by fluorinated ammonium iodide treatment
Organic Electronics,78:105596 2020
Ryo Ishikawa, Keiji Ueno, Hajime Shirai
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Self-assembled Fluorinated Polymer Passivation Layer for Efficient Perovskite Thin-film Solar Cells
Chemistry Letters,49(1):87-90 2020
Yuma Moriya, Ryo Ishikawa, Shuhei Akiyama, Keiji Ueno, Hajime Shirai
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Improved efficiency of methylammonium-free perovskite thin film solar cells by fluorinated ammonium iodide treatment
Organic Electronics,78(March 2020):105596 2020
RyoIshikawa, KeijiUeno, HajimeShirai
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Self-assembled Fluorinated Polymer Passivation Layer for Efficient Perovskite Thin-film Solar Cells
Chemistry Letters,49(1):87-90 2020
Yuma Moriya ,Ryo Ishikawa ,Shuhei Akiyama ,Keiji Ueno and Hajime Shirai
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Role of the solvent in large crystal grain growth of inorganic-organic halide FA0.8Cs0.2PbIxBr3 − x perovskite thin films monitored by ellipsometry
Journal of Vacuum Science & Technology B, Nanotechnology and Microelectronics: Materials, Processing, Measurement, and Phenomena,37(6):062401 2019
Koki Kawamura, Ryo Ishikawa, Yoko Wasai, Nataliya Nabatova-Gabain, Shun-ji Kurosu, Tomofumi Ukai, Masahide Tokuda, Yasuhiko Fujii, Tatsuo Hanajiri, Keiji Ueno, Hajime Shirai
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Highly crystalline large-grained perovskite films using two additives without an antisolvent for high-efficiency solar cells
Thin Solid Films,679:27-34 2019
Ryo Ishikawa, Keiji Ueno, Hajime Shirai
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Role of the solvent in large crystal grain growth of inorganic-organic halide FA0.8Cs0.2PbIxBr3 − x perovskite thin films monitored by ellipsometry
Journal of Vacuum Science & Technology B,37(6):062401 2019
Koki Kawamura, Ryo Ishikawa, Yoko Wasai, Nataliya Nabatova-Gabain, Shun-ji Kurosu3Tomofumi Ukai, Masahide Tokuda. Yasuhiko Fujii, Tatsuro Hanajiri, Keiji Ueno, and Hajime Shirai
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Barium hydroxide hole blocking layer for front- and back-organic/crystalline Si heterojunction solar cells
Journal of Applied Physics,122:055101 2017
Jaker Hossain, Koji Kasahara, Daisuke Harada, A. T. M. Saiful Islam, Ryo Ishikawa, Keiji Ueno, Tatsuro Hanajiri, Yoshikata Nakajima, Yasuhiko Fujii, Masahide Tokuda, and Hajime Shirai
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Fabrication of {CH(NH2)2}1−xCsxPbI3 Perovskite Thin Films by Two-step Method and Its Application to Thin Film Solar Cells
Chemistry Letters,46(4):612-615 2017
Ryo Ishikawa ,Keiji Ueno and Hajime Shirai
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sciencedirect.com の [HTML] Crystalline-Si heterojunction with organic thin-layer (HOT) solar cell module using poly (3, 4-ethylenedioxythiophene): poly (styrene sulfonate)(PEDOT: PSS)
Solar Energy Materials and Solar Cells 2017
Koji Kasahara, Jaker Hossain, Daisuke Harada, Koki Ichikawa, Ryo Ishikawa, Hajime Shirai
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Fabrication of {CH(NH2)2}1-xCsxPbI3 perovskite thin films by two-step method and its application to thin film solar cells
Chemistry Letters ,46(4):612-615 2016
Ryo Ishikawa, Keiji Ueno,and Hajime Shirai
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Nafion-Modified PEDOT:PSS as a Transparent Hole-Transporting Layer for High-Performance Crystalline-Si/Organic Heterojunction Solar Cells with Improved Light Soaking Stability
ACS Applied Materials & Interfaces ,8(46):31926–31934 2016
Jaker Hossain, Qiming Liu, Takuya Miura, Koji Kasahara, Daisuke Harada, Ryo Ishikawa, Keiji Ueno, and Hajime Shirai
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Role of Isopropyl Alcohol Solvent in the Synthesis of Organic–Inorganic Halide CH(NH2)2PbIxBr3–x Perovskite Thin Films by a Two-Step Method
J. Phys. Chem. C 120 (2016) 25371–25377,120(44):25371–25377 2016
Takanori Yamanaka, Kenta Masumori, Ryo Ishikawa, Keiji Ueno, and Hajime Shirai
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Effect of substrate bias on mist deposition of conjugated polymer on textured crystalline-Si for efficient c-Si/organic heterojunction solar cells
physica status solidi (a),213(7):1922–1925 2016
Tatsuya Ohki, Koki Ichikawa, Jaker Hossain, Yasuhiko Fujii, Tatsuro Hanajiri, Ryo Ishikawa, Keiji Ueno, Hajime Shirai
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Highly Efficient Solution-Processed Poly(3,4-ethylenedio-xythiophene):Poly(styrenesulfonate)/Crystalline?Silicon Heterojunction Solar Cells with Improved Light-Induced Stability
Advanced Energy Materials,5:DOI: 10.1002/aenm.201500744 2015
Qiming Liu, Ryo Ishikawa, Shuji Funada, Tatsuya Ohki, Keiji Ueno, Hajime Shirai
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Double resonance Raman modes in monolayer and few-layer MoTe2
PHYSICAL REVIEW B,91:205415 2015
Huaihong Guo, Teng Yang, Mahito Yamamoto, Lin Zhou, Ryo Ishikawa, Keiji Ueno, Kazuhito Tsukagoshi, Zhidong Zhang, Mildred S. Dresselhaus, and Riichiro Saito
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Efficient organic/polycrystalline silicon hybrid solar cells
Nano Energy,11:260-266 2015
Qiming Liu, Tatsuya Ohki, Dequan Liu, Hiromitsu Sugawara, Ryo Ishikawa, Keiji Ueno, Hajime Shirai
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Real-time measurement of optical anisotropy during film growth using a chemical mist deposition of poly(3,4-ethylenedioxythiophene):poly(styrenesulfonate)
Journal of Applied Physics,115:123514 2014
Taiga Hiate, Naoto Miyauchi, Qiming Liu, Ryo Ishikawa, Keiji Ueno and Hajime Shirai
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Self-assembled silver nanowires as top electrode for poly(3,4-ethylenedioxythiophene):poly(stylenesulfonate)/n-silicon solar cell
Thin Solid Films,558:306-310 2014
Ishwor Khatri, Ayo Hoshino, Fumiya Watanabe, Qiming Liu, Ryo Ishikawa, Keiji Ueno, Hajime Shirai
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Self assembled silver nanowire mesh as top electrode for organic–inorganic hybrid solar cell
Canadian Journal of Physics,925(7/8):867-870 2014
Ishwor Khatri, Qiming Liu, Ryo Ishikawa, Keiji Ueno, Hajime Shirai
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Improved photovoltaic performance of crystalline-Si/organic Schottky junction solar cells using ferroelectric polymers
Applied Physics Letters,106:163503 2013
Q. Liu, . Khatri, R. Ishikawa, A. Fujimori, K. Ueno, K. Manabe, H. Nishino, and H. Shirai Citation:
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Effects of molybdenum oxide molecular doping on the chemical structure of poly(3,4-ethylenedioxythiophene):poly(stylenesulfonate) and on carrier collection efficiency of silicon/poly(3,4-ethylenedioxythiophene):poly(stylenesulfonate) heterojunction solar
Applied Physics Letters,102:183503 2013
Liu, Qiming Khatri, Ishwor Ishikawa, Ryo Ueno, Keiji Shirai, Hajime
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Increased Organic Photovoltaic Cell Efficiency by Incorporating a Nonionic Fluorinated Surfactant Cathode Interlayer
Applied Physics Express,5(12):121601 2012
Ryo Ishikawa, Hajime Shirai, and Keiji Ueno
- 学会発表
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Nafion-Modified PEDOT:PSS/c-Si Solar Cells
第77回応用物理学会秋季学術講演会:15p-P13-2 201609
Qiming Liu、Jaker Hossain、Takuya Miura、Daisuke Harada、Ryo Ishikawa、Keiji Ueno、Hajime Shirai
