石河研究室（Ishikawa Lab）

Achievements研究成果

2024.4 ~

Journal/Books
(1)	Dong C. Nguyen, Tomoki Asada, Itaru Raifuku, and Yasuaki Ishikawa, "Analysis and Selection of Optimal Perovskite/Silicon Tandem Configuration for Building Integrated Photovoltaics Based on Their Annual Outdoor Energy Yield Predicted by Machine Learning", Solar RRL (2024) 2400072 (1-15).

2023.4 ~ 2024.3

Journal/Books
(1)	來福至, 石河泰明, "屋内応用へ向けたペロブスカイト太陽電池の高効率化に関する取り組み", Journal of Japan Solar Energy Society, 特集「ペロブスカイト太陽電池の研究開発と物性の理解」 (2024, vol.50, pp.36-41）
(2)	來福至, 石河泰明, "微弱な光を使った塗布型太陽電池の開発と発電効率の向上", 車載テクノロジー "特集2：エネルギーハーベストの開発動向と応用展開 (2023年9月号, 技術情報協会）
(3)	Dong Chung Nguyen and Yasuaki Ishikawa, "On predicting annual output energy of 4-terminal perovskite/silicon tandem PV cells for building integrated photovoltaic application using machine learning", Heliyon 9 (2023) e18097 (1-16).

Conference (International)
(1)	Dong Chung Nguyen, Itaru Raifuku, and Yasuaki Ishikawa, "A prediction model of outdoor degradation rates of 2-terminal perovskite/silicon tandem solar cells using machine learning", The 34th International Photovoltaic Science and Engineering Conference (PVSEC-34) (6-10th. Nov., Shenzhen, China) 6ThO5-3.

Conference (Domestic)
(1)	中井翔大、來福至、石河泰明, "封止材なしSi太陽電池モジュールにおけるRCWA法を用いた反射率低減構造の検討", 第71回応用物理学会春季学術講演会会 (22-23, Mar. 2024, Tokyo) 24p-12M-21.
(2)	松枝息吹, Nguyen Chung Dong, 來福至, 石河泰明, "屋内用途ペロブスカイト太陽電池のシミュレーションによる構造最適化", 第84回応用物理学会秋季学術講演会 (19-23, Sept. 2023, Kumamoto) 22a-C601-4.
(3)	木村公紀, 來福至, 石河泰明, "レーザービーム誘起電流法を用いたペロブスカイト太陽電池の評価", 第84回応用物理学会秋季学術講演会 (19-23, Sept. 2023, Kumamoto) 19p-P04-19.
(4)	石塚凌, 鷲足涼, 來福至, 石河泰明, "エレクトロルミネッセンス評価における注入電流量がペロブスカイト太陽電池の特性に及ぼす影響", 第84回応用物理学会秋季学術講演会 (19-23, Sept. 2023, Kumamoto) 19p-P04-16.
(5)	中庭礼, 坂野好亮, 來福至, 渡辺剛志, 石河泰明、黄晋二, "太陽電池応用に向けたグラフェン/PEDOT:PSS 透明導電膜", 第84回応用物理学会秋季学術講演会 (19-23, Sept. 2023, Kumamoto) 19p-P01-43.
(6)	浅田智樹, 村田文浩, 來福至, 石河泰明, "電子輸送層がペロブスカイト太陽電池の低照度特性に及ぼす影響", 日本太陽光発電学会, 第20回「次世代の太陽光発電システム」シンポジウム（第3回日本太陽光発電学会学術講演会） (29-30, Jun. 2023, Kyoto) PB-3.
(7)	高橋菜々花，瓜生亘輝, 北澤誉，來福至，石河泰明, "ワイドバンドギャップペロブスカイト薄膜における組成制御による相分離の抑制", 日本太陽光発電学会, 第20回「次世代の太陽光発電システム」シンポジウム（第3回日本太陽光発電学会学術講演会） (29-30, Jun. 2023, Kyoto) PB-20.
(8)	坂野好亮，小畑勇介, 來福至, 石河泰明, "2端子型Perovskite/結晶Siタンデム太陽電池のエレクトロルミネッセンス評価を目指した低電流注入領域の画像取得", 日本太陽光発電学会, 第20回「次世代の太陽光発電システム」シンポジウム（第3回日本太陽光発電学会学術講演会） (29-30, Jun. 2023, Kyoto) PE-4.
(9)	小畑勇介, 坂野好亮, 來福至, 石河泰明, "4端子型ペロブスカイト/結晶Siタンデム太陽電池に対するエレクトロルミネッセンス評価法確立に向けた撮像条件の検討", 日本太陽光発電学会, 第20回「次世代の太陽光発電システム」シンポジウム（第3回日本太陽光発電学会学術講演会） (29-30, Jun. 2023, Kyoto) PE-5.
(10)	山本朔也, 佐藤滉太, 來福至, 石河泰明, "エレクトロルミネッセンス法による結晶Si太陽電池の直列抵抗成分定量化", 日本太陽光発電学会, 第20回「次世代の太陽光発電システム」シンポジウム（第3回日本太陽光発電学会学術講演会） (29-30, Jun. 2023, Kyoto) PE-8.
(11)	石河泰明, "タンデム太陽電池の基礎科学", 日本太陽光発電学会, 第20回「次世代の太陽光発電システム」シンポジウム（第3回日本太陽光発電学会学術講演会） (29-30, Jun. 2023, Kyoto) 4-1.
(12)	大平圭介, 増田淳, 石河泰明, 傍島靖, "廃棄・リサイクルを見据えた結晶シリコン太陽電池モジュールの開発", 日本太陽光発電学会, 第20回「次世代の太陽光発電システム」シンポジウム（第3回日本太陽光発電学会学術講演会） (29-30, Jun. 2023, Kyoto) 8-2.

2022.4 ~ 2023.3

Journal
(1)	Abdulwahab A. Q. Hasan, Ammar Ahmed Alkahtani, Mohammad Aminul Islam, Yazan A. Alsariera, Santhiran Sathiswary, Nabilah M. Kassim, Mohammad Ismail Hossain, Yasuaki Ishikawa, and Nowshad Amin, "Impact Analysis of Potential Induced Degradation on Crystalline Silicon Solar Cell Performance by Correlating Practical Diagnosis with MATLAB Simulation", materials 15 (2022) 8056 (1-10).
(2)	Dong Chung Nguyen and Yasuaki Ishikawa, "Artificial neural network for predicting annual output energy of building-integrated photovoltaics based on the 2-terminal perovskite/silicon tandem cells under realistic conditions", Ener. Rep. 8 (2022) pp. 10819-10832.
(3)	Dong Chung Nguyen, Kota Sato, Masaya Hamada, Fumihiro Murata, and Yasuaki Ishikawa, "Annual output energy harvested by building-integrated photovoltaics based on the optimized structure of 2-terminal perovskite/silicon tandem cells under realistic conditions", Sol. Ener. 241 (2022) pp. 452-459.

Conference (International)
(1)	Naoya Miyajima, Itsuki Nakahara, and Yasuaki Ishikawa, "Development of three-dimensional periodic nanostructured film using SU-8 template and solution-derived ZnO for the thermoelectric material", 35th International Microprocesses and Nanotechnology Conference (8-11, Nov. 2022, Hybrid (on-site: Tokushima, Japan)) 10D-2-5.
(2)	Dong Chung Nguyen and Yasuaki Ishikawa, "Effect of solar spectral shape on the ANN performance in the prediction of the output power density of 2-terminal perovskite/silicon tandem solar cells under realistic conditions", 33rd International Photovoltaic Science and Engineering Conference (14-17, Nov. 2022, Hybrid (on-site: Nagoya, Japan)) WeP-41-50.
(3)	Ryo Washiashi, Tomoki Shinada, Masaya Hamada, and Yasuaki Ishikawa, "Influence of electroluminescence measurement on the characteristics of perovskite solar cells", 33rd International Photovoltaic Science and Engineering Conference (14-17, Nov. 2022, Hybrid (on-site: Nagoya, Japan)) WeP-41-20.
(4)	Masaya Hamada, Ryo Washiashi, and Yasuaki Ishikawa, "Investigation of electroluminescence image capturing conditions for perovskite solar cells toward on-site evaluation technology", 33rd International Photovoltaic Science and Engineering Conference (14-17, Nov. 2022, Hybrid (on-site: Nagoya, Japan)) WeP-41-19.
(5)	Kota Sato and Yasuaki Ishikawa, "Series resistance images by single-shot electroluminescence method", 33rd International Photovoltaic Science and Engineering Conference (14-17, Nov. 2022, Hybrid (on-site: Nagoya, Japan)) WeP-31-30.
(6)	Shingo Suzuki and Yasuaki Ishikawa, "Reliability examination of cell-level PID test for rear-side of bifacial PERC silicon solar cells", 33rd International Photovoltaic Science and Engineering Conference (14-17, Nov. 2022, Hybrid (on-site: Nagoya, Japan)) TuP-31-25.
(7)	Tomoki Asada, Fumihiro Murata, and Yasuaki Ishikawa, "Influence of the planar-SnO₂ electron transport layer on perovskite solar cell characteristics under low-light intensity", 33rd International Photovoltaic Science and Engineering Conference (14-17, Nov. 2022, Hybrid (on-site: Nagoya, Japan)) MoO-41b-06.
(8)	Dong Chung Nguyen and Yasuaki Ishikawa, "Spectral shape changes the optimal perovskite thickness of the 2-terminal perovskite/silicon tandem solar cell", 49th IEEE Photovoltaic Specialists Conference (5-10, Jun. Philadelphia, USA, 2022) 3-28.
(9)	Dong Chung Nguyen, Ryuji Kaneko, Atsushi Wakamiya, Keisuke Ohdaira, Atsushi Masuda, and Yasuaki Ishikawa, "Effect of double-layer antireflection coating on photon current density of two-terminal perovskite/silicon tandem cells", 8th Korea-Japan Joint Seminar on PV (27-28, May. 2022, Hybrid (on-site: Jeju, Korea)).
(10)	Atsushi Masuda, Ryuji Kaneko, Atsushi Wakamiya, Keisuke Ohdaira, Dong Chung Nguyen, Yasuaki Ishikawa, Atsushi Ogura, Kyotaro Nakamura, and Yoshio Ohshita, "Two-terminal perovskite/silicon heterojunction tandem solar cells", 8th Korea-Japan Joint Seminar on PV (27-28, May. 2022, Hybrid (on-site: Jeju, Korea)).

Conference (Domestic)
(1)	佐藤滉太, 鈴木真吾，石河泰明, "封止材を使用しないモジュールにおける結晶Si太陽電池のレーザーカット端面が電気的特性に与える影響", 第70回応用物理学会春季学術講演会 (15-18, Mar. 2023, Tokyo) 17p-A403-1.
(2)	佐藤滉太, 石河泰明, "封止材を利用しないモジュールにおける結晶Si太陽電池のマイクロクラックが電気的特性に与える影響", 日本太陽光発電学会, 第19回「次世代の太陽光発電システム」シンポジウム（第2回日本太陽光発電学会学術講演会） (28-29, Jun. 2022, Kanazawa) PB-2.
(3)	Dong C. Nguyen, Ryuji Kaneko, Atsushi Wakamiya, Keisuke Ohdaira, Atsushi Masuda, and Yasuaki Ishikawa, "Optical Improvement of the Architecture of a Two-terminal Perovskite/Silicon Tandem Solar Cell with Tungsten-doped Indium Oxide", 日本太陽光発電学会, 第19回「次世代の太陽光発電システム」シンポジウム（第2回日本太陽光発電学会学術講演会） (28-29, Jun. 2022, Kanazawa) PC-22.

2021.4 ~2022.3

Journal
(1)	Dong Chung Nguyen, Fumihiro Murata, Kota Sato, Masaya Hamada, and Yasuaki Ishikawa, "Evaluation of annual performance for building-integrated photovoltaics based on 2-terminal perovskite/silicon tandem cells under realistic conditions", Energy Sci. Eng. 10 (4) (2022) pp. 1373-1383.
(2)	Shunsuke Uchiyama, Ryosuke Sato, Ryoji Katsube, Muhammad Monirul Islam, Hideaki Adachi, Takeaki Sakurai, Yoshitaro Nose, and Yasuaki Ishikawa, "Optical and electrical transport evaluations of n-type iron pyrite single crystals", ACS Omega 6 (46) (2021) pp. 31358-31365.
(3)	M. Ajmal Khan and Yasuaki Ishikawa, "Indium (In)-Catalyzed Silicon Nanowires (Si NWs) Grown by the Vapor-Liquid-Solid (VLS) Mode for Nanoscale Device Applications", Nanowires - Recent Progress (2021) pp. 1-14.

Conference (International)
(1)	Dong Chung Nguyen, Fumihiro Murata, and Yasuaki Ishikawa, "Evaluation of BIPV applicability based on four-terminal perovskite/silicon tandem cells under realistic environmental conditions", 31st Photovltaic Science and Engineering Conference (PVSC 31) (13-15, Dec. 2021, Australia, Online) 23.
(2)	Dong Chung Nguyen and Yasuaki Ishikawa, "Improvement in 4-terminal perovskite/silicon heterojunction tandem solar cells' performance with an index matching layer of silicon nitride", 48th IEEE Photovoltaic Specialists Conference (IEEE-PVSC 48) (20-25, Jun. 2021, USA, Online) Area3-28.

Conference (Domestic)
(1)	増田淳, 金子竜二, 若宮淳志, 大平圭介, Dong Chung Nguyen, 石河泰明, 小椋厚志, 中村京太郎, 大下祥雄, "ペロブスカイト／結晶シリコンタンデム太陽電池の研究動向と最近の進展", 第69回応用物理学会春季学術講演会シンポジウム「結晶シリコン太陽電池技術の今後～カーボンニュートラル実現に向けて～」 (23-26, Mar. 2022, Kanagawa) 23p-E301-9 (invited).
(2)	石河泰明, Dong Chung Nguyen, "BIPVに向けた2端子型Perovskite/Siタンデム太陽電池の年間発電量予測", 日本太陽光発電学会, 次世代太陽電池セル・モジュール分科会, 第2回研究会 (31, Jan. 2022, Online) (invited).
(3)	浜田雅也, 佐藤滉太, 石河泰明, "高照度環境に対応した屋外エレクトロルミネッセンス法", 日本太陽光発電学会, 第18回「次世代の太陽光発電システム」シンポジウム（第1回日本太陽光発電学会学術講演会）　(14-15, Oct. 2021, Online) A-7.
(4)	佐藤滉太, 浜田雅也, 石河泰明, "屋外エレクトロルミネッセンス法における開放電圧値定量化",日本太陽光発電学会, 第18回「次世代の太陽光発電システム」シンポジウム（第1回日本太陽光発電学会学術講演会）　(14-15, Oct. 2021, Online) A-8.
(5)	Dong C. Nguyen, Yasuaki Ishikawa, "Influence of Tilt Angles and Installation Directions of Rooftop Four-terminal Perovskite/Silicon Solar Cells on Their Reflection Loss", 日本太陽光発電学会第18回「次世代の太陽光発電システム」シンポジウム（第1回日本太陽光発電学会学術講演会）　(14-15, Oct. 2021, Online) D-3.

2020.4 ~ 2021.3

Journal
(1)	Dong Chung Nguyen, Yasuaki Ishikawa, Yukiharu Uraoka, "Recover possibilities of potential induced degradation caused by the micro‐cracked locations in p‐type crystalline silicon solar cells", Prog. Photovolt. 29 (2021) pp. 423-432.
(2)	M. Ajmal Khan, Juan Paolo Bermundo, Yasuaki Ishikawa, Hiroshi Ikenoue, Sachie Fujikawa, Eriko Matsuura, Yukio Kashima, Noritoshi Maeda, Masafumi Jo, and Hideki Hirayama, "Impact of Mg level on lattice relaxation in a p-AlGaN hole source layer and attempting excimer laser annealing on p-AlGaN HSL of UVB emitters", Nanotechnol. 32 (2021) 055702 (1-18). Corrigendum
(3)	Jenichi Clairvaux Felizco, Taneli Juntunen, Mutsunori Uenuma, Jarkko Etula, Camilla Tossi, Yasuaki Ishikawa, Ilkka Juhani Tittonen, and Yukiharu Uraoka, "Enhanced Thermoelectric Transport and Stability in Atomic Layer Deposited HfO2/ZnO and TiO2/ZnO Sandwiched Multilayer Thin Films", ACS Appl. Mater. Interfaces 12 (2020) pp. 49210-49218.
(4)	Mohammad Ismail Hossain, A. K. Mahmud Hasan, Wayesh Qarony, Md. Shahiduzzaman, M. A. Islam, Yasuaki Ishikawa, Yukiharu Uraoka, Nowshad Amin, Dietmar Knipp, Md. Akhtaruzzaman, and Yuen Hong Tsang, "Electrical and Optical Properties of Nickel‐Oxide Films for Efficient Perovskite Solar Cells", Small methods 4 (2020) 2000454 (1-10).
(5)	Aimi Syairah Safaruddin, Juan Paolo S. Bermundo, Naofumi Yoshida, Toshiaki Nonaka, Mami N. Fujii, Yasuaki Ishikawa, and Yukiharu Uraoka, "Improvement in bias stress stability of solution-processed amorphous InZnO thin-film transistors via low-temperature photosensitive passivation", IEEE Electron Dev. Lett. 41 (2020) pp. 1372-1375.
(6)	Dianne Corsino, Juan Paolo Bermundo, Chaiyanan Kulchaisit, Mami N. Fujii, Yasuaki Ishikawa, Hiroshi Ikenoue, and Yukiharu Uraoka, "High Performance Fully Solution-Processed Oxide Thin-Film Transistors via Photo-assisted Role Tuning of InZnO", ACS Appl. Electron. Mater. 2 (2020) pp. 2398-2407.
(7)	Christian Mark Ocson Pelicano, Itaru Raifuku, Yasuaki Ishikawa, Yukiharu Uraoka, and Hisao Yanagi, "Hierarchical Core-Shell Heterostructure of H₂O-oxidized ZnO Nanorod@Mg-doped ZnO Nanoparticle for Solar Cell Applications", Mater. Adv. 1 (2020) pp. 1253-1261.
(8)	Jenichi Clairvaux Felizco, Mutsunori Uenuma, Yasuaki Ishikawa, and Yukiharu Uraoka, "Optimizing the thermoelectric performance of InGaZnO thin films depending on crystallinity via hydrogen incorporation", Appl. Surf. Sci. 527 (2020) 146791(1-6).
(9)	Muhammad Arif, Nobuo Sasaki, Yasuaki Ishikawa, and Yukiharu Uraoka, "Extension of the {100}-Oriented Grain-Boundary Free Si Thin Film Grown by a Continuous-Wave Laser Lateral Crystallization", Thin Solid Films 708 (2020) 138127(1-5).
(10)	A. K. Mahmud Hasan, Itaru Raifuku, N. Amin, Yasuaki Ishikawa, D. K Sarkar, K. Sobayel, Mohammad Karim, Anwar Ul-Hamid, H. Abdullah, Md. Shahiduzzaman, Yukiharu Uraoka, Kamaruzzaman Sopian, and Md. Akharuzzaman, "Air-Stable Perovskite Photovoltaic Cells with Low Temperature Deposited NiOx as Efficient Hole-Transporting Material", Optical Materials Express 10 (2020) pp. 1801-1816.
(11)	A. K. Mahmud Hasan, K. Sobayel, Itaru Raifuku, Yasuaki Ishikawa, Md. Shahiduzzaman, Majid Nour, Hatem Sindi, Hazim Moria, Muhyaddin Rawa, K. Sopian, Nowshad Amin, Md. Akhtaruzzaman, "Optoelectronic properties of electron-beam deposited NiOx thin films for solar cell application", Results in Physics 17 (2020) 103122(1-9).
(12)	Takanori Takahashi, Mami Fujii, Ryoko Miyanaga, Miki Miyanaga, Yasuaki Ishikawa, Yukiharu Uraoka, "Unique degradation under AC stress in high-mobility amorphous In-W-Zn-O thin-film transistors", Appl. Phys. Express 13 (2020) 054003(1-5).

Conference (International)
(1)	Pongsakom Sihapitak, Yasuaki Ishikawa, Xudongfang Wang, Mutsunori Uenuma, and Yukiharu Uraoka, "Relationship of phase shift mask design and size of three-dimension nanostructures", The 27th International Workshop on Active-Matrix Flatpanel Displays-TFT Technologies and FPD Materials (1-4, Sept, 2020, Japan, online) P-4. [Student Award]
(2)	Diki Purnawati, Juan Paolo Bermundo, Yasuaki Ishikawa, and Yukiharu Uraoka, "Photo-Assisted Processing of Amorphous Gallium Oxide (a-GaOX) Thin Film for Flexible and Transparent Device Application", The 27th International Workshop on Active-Matrix Flatpanel Displays-TFT Technologies and FPD Materials (1-4, Sept, 2020, Japan, online) 5-2.
(3)	Yukiharu Uraoka, Takanori Takahashi, Kahori Kise, Juan Paolo Bermundo, Mami N. Fujii, Mutsunori Uenuma, and Yasuaki Ishikawa, "Hot Carrier Degradation in High Mobility Metal Oxide Thin Film Transistors", 2020 Display week international symposium, Society of Information display (3-7, Aug. 2020, USA, online) 7-2 (invited).
(4)	Dianne Corsino, Juan Paolo Bermundo, Mami N. Fujii, Yasuaki Ishikawa, Hiroshi Ikenoue, and Yukiharu Uraoka, "High Performance All-Solution Processed InZnO Thin-Film Transistors via Photo-Functionalization at Varying Fluence and Annealing Environment", 2020 Display week international symposium, Society of Information display (3-7, Aug. 2020, USA, online) P.11.

Conference (Domestic)
(1)	岩﨑恵美, 富江敏尚, 石河泰明, 浦岡行治, "極端紫外光光電子分光法によるペロブスカイト型太陽電池用TiO₂電子輸送の電子寿命評価", 日本太陽光発電学会第17回「次世代の太陽光発電システム」シンポジウム　(15-16, Oct. 2020, Online) PC-4.
(2)	髙橋崇典, 宮永良子, 藤井茉美, 田中淳, 竹知和重, 田邉浩, Bermundo Juan Paolo, 石河泰明, 浦岡行治, "Hot carrier effects in InGaZnO thin-film transistor", 第81回応用物理学会秋季学術講演会 (8-11, Sept. 2020, Online) 10a-Z20-12. [第42回論文奨励賞受賞記念講演(invited)].

Please see the Researchmap for the other achievements.