11:47 〜 11:49 [PS-15-07] [No-show]High-performance and high-durability perovskite photovoltaic devices prepared using ethylammonium iodide as an additive ○C. -L. Chung1, H. -L. Hsu1, C. -C. Chang1, C. -P. Chen1 (1.Ming Chi Univ. of Tech. (Taiwan))