[23a-B103-1~12] 12.5 Organic solar cells

△ [23a-B103-3] Electrical-conductivity control of lead halide perovskites using vapor-phase deposition by ternary-source coevaporation

〇(M2)Daisuke Nakamura¹, Zihao Liu¹, Masato Soutome², Tomonori Matsushita², Takashi Kondo^1,2 (1.Univ. of Tokyo, 2.RCAST Univ. of Tokyo)

Keywords:perovskite, solar cells, electrical-conductivity control

All-perovskite pin junction solar cells are expected to be achieved by controlling electrical conductivity in lead halide perovskite semiconductors. We have reported ternary-source vapor phase deposition using CH₃NH₂, HI, and PbI₂. In this work, we fabricated CH₃NH₃PbI₃ thin films by ternary-source vapor phase deposition with different partial pressure of CH₃NH₂ and HI and evaluated electrical conductivity of the samples.