11:27 〜 11:29 [PS-6-22 (Late News)] Study of Transparent Cu2O Solar Cells for High-efficiency, Low-cost Tandem Photovoltaics ○N. Nakagawa1, S. Shibasaki1, M. Yamazaki1, Y. Honishi1, Y. Someya-Hiraoka1, K. Yamamoto1 (1.Toshiba Corp. (Japan))