*Rui-Tao Wen¹ (1. 1)Southern University of Science and Technology, Dept. Materials Science & Engineering, Shenzhen, China (China))

*Pungkeun Song¹, seohan kim^2,1, Lars Österlund² (1. Pusan National University (Korea), 2. Uppsala university (Sweden))

*Chun Yuen Ho¹, Um Kanta Aryal¹, Morten Madsen¹ (1. Centre for Advanced Photovoltaics and Thin-Film Energy Devices, Mads Clausen Inst., Univ. of Southern Denmark (Denmark))

*Junjun Jia¹, Takashi Yagi², Naoomi Yagi Yamada³, Toshiki Makimoto⁴ (1. Waseda University (Japan), 2. AIST (Japan), 3. Chubu University (Japan), 4. Waseda University (Japan))

*Dongsheng Yuan¹, Encarnación G. Víllora¹, Kiyoshi Shimamura¹ (1. National Institute for Materials Science (NIMS) (Japan))

*Xun Liu^1,2,3, Jian Xu¹, Kohsei Takahashi¹, Takashi Takeda¹, Masatoshi Yanagida¹, Tetsuo Kishi², Tetsuji Yano², Hiroyo Segawa^1,2, Naoki Ohashi^1,3 (1. National Institute for Materials Science (Japan), 2. Tokyo Insitute of Technology (Japan), 3. Kyushu University (Japan))