[7] Yasuhiro Yamada, Mizuki Hoyano, Ryo Akashi, Kenichi Oto, and Yoshihiko Kanemitsu, "Impact of Chemical Doping on Optical Responses in Bismuth-Doped CH3NH3PbBr3 Single Crystals: Carrier Lifetime and Photon Recycling" The Journal of Physical Chemistry Letters, 8(23), pp 5798?5803 (2017). [6] Takumi Yamada, Yasuhiro Yamada, Yumi Nakaike, Atsushi Wakamiya, and Yoshihiko Kanemitsu, "Photon Emission and Reabsorption Processes in CH3NH3PbBr3 Single Crystals Revealed by Time-Resolved Two-Photon-Excitation Photoluminescence Microscopy. " Phys. Rev. Applied 7, 014001 (2017). [5]Yasuhiro Yamada, Takumi Yamada, and Yoshihiko Kanemitsu. "Free Carrier Radiative Recombination and Photon Recycling in Lead Halide Perovskite Solar Cell Materials." 　Bulletin of the Chemical Society of Japan, 90(10), 1129-1140 (2017). [4] Y.　Yamada, T. Yamada, A. Shimazaki, A. Wakamiya, and Y. Kanemitsu, "Interfacial Charge-Carrier Trapping in CH3NH3PbI3-Based Heterolayered Structures Revealed by Time-Resolved Photoluminescence Spectroscopy. " 　The Journal of Physical Chemistry Letters 7, 1972-1977 (2016). [3] L. Q. Phuong, Y. Yamada, M. Nagai, N. Maruyama, A. Wakamiya, and Y. Kanemitsu, "Free Carriers versus Excitons in CH3NH3PbI3 Perovskite Thin Films at Low Temperatures: Charge Transfer from the Orthorhombic Phase to the Tetragonal Phase. " 　The Journal of Physical Chemistry Letters 7, 2316-2321 (2016). [2] T. Yamada, Y. Yamada, H. Nishimura, Y. Nakaike, A. Wakamiya, Y. Murata, and Y. Kanemitsu, "Fast Free-Carrier Diffusion in CH3NH3PbI3 Single Crystals Revealed by Time-Resolved One- and Two-Photon Excitation Photoluminescence Spectroscopy." 　Advanced Electronic Materials 2, 1500290 (2016). [1] 山田泰裕, 山田琢允, 金光義彦, "ハロゲン化金属ペロブスカイトCH3NH3PbI3におけるフォトンリサイクリング効果." 　有機分子・バイオエレクトロニクス分科会会誌 27, 267-270 (2016).