[D1-PV21] Slot 21

[D1-PV21-01] Microscopic Investigation of Charge States in Perovskite Solar Cells with a Novel Hole-Transport Material by Electron Spin Resonance

*Lihui Liang¹, Xiangtao Zou¹, Wenchao Dai¹, Dong Xue¹, Tomoya Nakamura², Atsushi Wakamiya², Kazuhiro Marumoto^1,3 (1. Division of Materials Sci., Univ. of Tsukuba (Japan), 2. Inst. for Chemical Res., Kyoto Univ. (Japan), 3. Tsukuba Res. Center for Energy Materials Sci. (TREMS), Univ. of Tsukuba (Japan))