若宮研究室 | 京都大学化学研究所 複合基盤化学研究系 分子集合解析研究領域

出身	奈良県
趣味	読書、音楽鑑賞
研究テーマ	ペロブスカイト太陽電池の成膜技術の開発と高効率化

職歴

2014.12 - 2017.03	京都大学化学研究所 技術補佐
2017.04 - 2024.11	京都大学化学研究所 研究員

発表論文

25.  Impact of Spin-Coating Temperature on Morphology of Pb-Based Mixed Ion Perovskite Films and Their Solar Cell Performance

Wakana Matsuda, Keishiro Goshima, Insub Noh, Hyung Do Kim, Ai Shimazaki, Richard Murdey, Michisato Toyoda, Atsushi Wakamiya, Hideo Ohkita, Shu Seki, Yasuhiro Tachibana*
ACS Appl. Energy Mater. 2025, 8, 1437-1445.
DOI: 10.1021/acsaem.4c01543

24.  Revealing the dynamic aspects of photoinduced halide segregation in mixed-halide Cs0.15FA0.85PbI2Br perovskite films using a hyperspectral imaging technique

Yusuke Daikoku, Takumi Yamada, Ai Shimazaki, Tomoya Nakamura, Atsushi Wakamiya, Yoshihiko Kanemitsu*
J. Phys. Chem. Lett. 2024, 15, 12341-12347.
DOI: 10.1021/acs.jpclett.4c03077

23.  Microscopic Analysis of Low but Stable Perovskite Ssolar Cell Device Performance Using Electron Spin Resonance

Xiangtao Zou, Takahiro Watanabe, Haru Kimata, Dong Xue, Ai Shimazaki, Minh Anh Truong, Atsushi Wakamiya, Kazuhiro Marumoto
Commun. Mater. 2024, 5, 233.
DOI: 10.1038/s43246-024-00675-1

22.  Open-Circuit-Voltage Improvement Mechanism of Perovskite Solar Cells Revealed by Operando Spin Observation

Haru Kimata, Seira Yamaguchi*, Takeshi Gotanda, Dong Xue, Haruka Asai, Ai Shimazaki, Atsushi Wakamiya, and Kazuhiro Marumoto*
ACS Appl. Mater. Interfaces 2023, 15, 58539-58547.
DOI: 10.1021/acsami.3c16361

21.  Insight into Charge Carrier Recombination Mechanisms

Keishiro Goshima, Wakana Matsuda, Minh Anh Truong, Ryuji Kaneko, Ai Shimazaki, Tomoya Nakamura, Atsushi Wakamiya, Yasuhiro Tachibana
J. Photopolym. Sci. Technol. 2023, 36, 367-372.
DOI: 10.2494/photopolymer.36.367

20.  Cat-CVD SiNx as a gas barrier for application to perovskite solar cells

Huynh Thi Cam Tu, Ai Shimazaki, Ryuji Kaneko, Atsushi Wakamiya and Keisuke Ohdaira
Jpn. J. Appl. Phys. 2022, 61, 121002.
DOI: 10.35848/1347-4065/ac993e

19.  Carrier lifetime measurement of perovskite films by differential microwave photoconductivity decay

Keisuke OHDAIRA, Huynh Thi Cam Tu, Ai Shimazaki, Ryuji KANEKO, Yuuka Sumai, Md Shahiduzzaman, Tetsuya TAIMA, Atsushi WAKAMIYA
Jpn. J. Appl. Phys. 2022, 61, 068001.
DOI: 10.35848/1347-4065/ac5d22

18.  Ultrastrong coupling between THz phonons and photons caused by an enhanced vacuum electric field

Zhenya Zhang, Hideki Hirori, Fumiya Sekiguchi, Ai Shimazaki, Yasuko Iwasaki, Tomoya Nakamura, Atsushi Wakamiya, and Yoshihiko Kanemitsu
Phys. Rev. Res. 2021, 3, L032021.
DOI: 10.1103/PhysRevResearch.3.L032021

17.  Enhancing the Hot-Phonon Bottleneck Effect in a Metal Halide Perovskite by Terahertz Phonon Excitation

Fumiya Sekiguchi, Hideki Hirori, Go Yumoto, Ai Shimazaki, Tomoya Nakamura, Atsushi Wakamiya, and Yoshihiko Kanemitsu*
Phys. Rev. Lett. 2021, 126, 077401.
DOI: 10.1103/PhysRevLett.126.077401

16.  Near-Ultraviolet Transparent Organic Hole-Transporting Materials Containing Partially Oxygen-Bridged Triphenylamine Skeletons for Efficient Perovskite Solar Cells

Minh Anh Truong, Hayoon Lee, Ai Shimazaki, Ryota Mishima, Masashi Hino, Kenji Yamamoto, Kento Otsuka, Taketo Handa, Yoshihiko Kanemitsu, Richard Murdey, and Atsushi Wakamiya*
ACS Appl. Energy Mater. 2021, 4, 1484-1495.
DOI: 10.1021/acsaem.0c02677

15.  Large thermal expansion leads to negative thermo-optic coefficient of halide perovskite CH3NH3PbCl3

Taketo Handa, Hirokazu Tahara, Tomoko Aharen, Ai Shimazaki, Atsushi Wakamiya, and Yoshihiko Kanemitsu
Phys. Rev. Mater. 2020, 4, 074604.
DOI: 10.1103/PhysRevMaterials.4.074604

14.  Direct observation of charge transfer at the interface between PEDOT:PSS and perovskite layers

Takeshi Gotanda, Haru Kimata, Dong Xue, Haruka Asai, Ai Shimazaki, Atsushi Wakamiya, Kazuhiro Marumoto
Applied Physics Express 2019, 12, 041002.
DOI: 10.7567/1882-0786/ab051f

13.  How to Make Dense and Flat Perovskite Layers for >20% Efficient Solar Cells: Oriented, Crystalline Perovskite Intermediates and their Thermal Conversion

Masashi Ozaki, Yumi Nakaike, Ai Shimazaki, Mina Jung, Naoki Maruyama, Shinya Yakumaru, Alwani Imanah Rafieh, Piyasiri Ekanayake, Takashi Saito, Yuichi Shimakawa, Takahiro Sasamori, Yasujiro Murata, Richard Murdey, Atsushi Wakamiya
Bull. Chem. Soc. Jpn. 2019, 92, 1972-1979.
DOI: 10.1246/bcsj.20190241

12.  A Purified, Solvent-Intercalated Precursor Complex for Wide Process Window Fabrication of Efficient Perovskite Solar Cells and Modules

Masashi Ozaki, Ai Shimazaki, Mina Jung, Yumi Nakaike, Naoki Maruyama, Shinya Yakumaru, Alwani Imanah Rafieh, Takahiro Sasamori, Norihiro Tokitoh, Piyasiri Ekanayake, Yasujiro Murata, Richard Murdey, Atsushi Wakamiya
Angew. Chem., Int. Ed. 2019, 58, 9389 - 9393.
DOI: 10.1002/anie.201902235

11.  Influence of Alkoxy Chain Length on the Properties of Two-Dimensionally Expanded Azulene Core-Based Hole-Transporting Materials for Efficient Perovskite Solar Cells

Minh Anh Truong, Jaehyun Lee, Tomoya Nakamura, Ji-Youn Seo, Mina Jung, Masashi Ozaki, Ai Shimazaki, Nobutaka Shioya, Takeshi Hasegawa, Yasujiro Murata, Shaik Mohammed Zakeeruddin, Michael Gratzel, Richard Murdey, Atsushi Wakamiya*
Chem. Eur. J. 2019, 25, 6741- 6752.
DOI: 10.1002/chem.201806317

10．Identifying an Optimum Perovskite Solar Cell Structure by Kinetic Analysis: Planar, Mesoporous Based, or Extremely Thin Absorber Structure.

Maning Liu, Masaru Endo,Ai Shimazaki, Atsushi Wakamiya, Yasuhiro Tachibana
ACS Appl. Energy Mater. 2018, 1, 3722-3732.
DOI: 10.1021/acsaem.8b00515.

9．Roles of Polymer Layer in Enhanced Photovoltaic Performance of Perovskite Solar Cells via Interface Engineering.

Fengjiu Yang, Hong En Lim, Feijiu Wang, Masashi Ozaki, Ai Shimazaki, Jiewei Liu, Nur Baizura Mohamed, Keisuke Shinokita, Yuhei Miyauchi, Atsushi Wakamiya, Yasujiro Murata, Kazunari Matsuda
Adv. Mater. Interfaces 2017, 1701256.
DOI: 10.1002/admi.201701256.

8．Light Intensity Dependence of Performance of Lead Halide Perovskite Solar Cells.

Maning Liu, Masaru Endo, Ai Shimazaki, Atsushi Wakamiya, and Yasuhiro Tachibana
J. Photopolym. Sci. Technol. 2017, 30, 577-582.
DOI: 10.2494/photopolymer.30.577.

7．Origin of Open-Circuit Voltage Loss in Polymer Solar Cells and Perovskite Solar Cells.

Hyung Do Kim, Nayu Yanagawa, Ai Shimazaki, Masaru Endo, Atsushi Wakamiya, Hideo Ohkita,* Hiroaki Benten, and Shinzaburo Ito
ACS Appl. Mater. Interfaces 2017, 9, 19988-19997.
DOI: 10.1021/acsami.7b03694.

6．Charge Injection Mechanism at Heterointerfaces in CH₃NH₃PbI₃ Perovskite Solar Cells Revealed by Simultaneous Time-Resolved Photoluminescence and Photocurrent Measurements".

Taketo Handa, David M. Tex, Ai Shimazaki, Atsushi Wakamiya, and Yoshihiko Kanemitsu*
J. Phys. Chem. Lett. 2017, 8, 954-960.
DOI: 10.1021/acs.jpclett.6b02847.

5．Highly Efficient and Stable Perovskite Solar Cells by Interfacial Engineering Using Solution-Processed Polymer Layer.

Feijiu Wang, Ai Shimazaki, Fengjiu Yang, Kaito Kanahashi, Keiichiro Matsuki, Yuhei Miyauchi, Taishi Takenobu, Atsushi Wakamiya,* Yasujiro Murata, and Kazunari Matsuda*
J. Phys. Chem. C 2017, 121, 1562-1568.
DOI: 10.1021/acs.jpcc.6b12137.

4．Charge Injection at the Heterointerface in Perovskite CH₃NH₃PbI₃ Solar Cells Studied by Simultaneous Microscopic Photoluminescence and Photocurrent Imaging Spectroscopy.

Daiki Yamashita, Taketo Handa, Toshiyuki Ihara, Hirokazu Tahara, Ai Shimazaki, Atsushi Wakamiya, and Yoshihiko Kanemitsu*
J. Phys. Chem. Lett. 2016, 7, 3186-3191.
DOI: 10.1021/acs.jpclett.6b01231.

3．Interfacial Charge-Carrier Trapping in CH₃NH₃PbI₃-Based Heterolayered Structures Revealed by Time-Resolved Photoluminescence Spectroscopy.

Yasuhiro Yamada, Takumi Yamada, Ai Shimazaki, Atsushi Wakamiya, and Yoshihiko Kanemitsu*
J. Phys. Chem. Lett. 2016, 7, 1972-1977.
DOI: 10.1021/acs.jpclett.6b00653.

2．Optical characterization of voltage-accelerated degradation in CH₃NH₃PbI₃ perovskite solar cells

Taketo Handa, David M. Tex, Ai Shimazaki, Tomoko Aharen, Atsushi Wakamiya, and Yoshihiko Kanemitsu*
Opt. Express 2016, 24, A917-A924.
DOI: 10.1364/OE.24.00A917.

1．Hole-Transporting Materials with a Two-Dimensionally Expanded π-System around an Azulene Core for Efficient Perovskite Solar Cells.

Hidetaka Nishimura, Naoki Ishida, Ai Shimazaki, Atsushi Wakamiya,* Akinori Saeki,* Lawrence T. Scott,* and Yasujiro Murata*
J. Am. Chem. Soc. 2015, 137, 15656-15659.
DOI: 10.1021/jacs.5b11008.