申请人:FUJIFILM Corporation
公开号:US20180108492A1
公开(公告)日:2018-04-19
Provided are a photoelectric conversion element, a solar cell using the photoelectric conversion element, and a composition. The photoelectric conversion element includes a first electrode including a photosensitive layer, which includes a light absorbing agent, on a conductive support. The light absorbing agent includes a compound having a perovskite-type crystal structure that includes organic cations represented by the following Formulae (1) and (2), a cation of a metal atom, and an anion.
R
1
—N(R
1a
)
3
+
Formula (1)
R
2
—N(R
2a
)
3
+
Formula (2)
In Formulae (1) and (2), R
1
represents a specific group such as an alkyl group (including a specific substituent group in a case where the number of carbons is 1 or 2), and a cycloalkyl group. R
2
represents a methyl group, an ethyl group, and the like. R
1a
and R
2a
represent a specific group such as a hydrogen atom and an alkyl group.
提供了一个光电转换元件、使用该光电转换元件的太阳能电池以及一种组合物。该光电转换元件包括第一电极,该第一电极包括一个光敏层,该光敏层包括一个吸光剂,该吸光剂包括具有钙钛矿型晶体结构的化合物,其中该晶体结构包括以下式(1)和(2)所表示的有机阳离子、金属原子的阳离子和阴离子。在式(1)和(2)中,R1代表一个特定基团,如烷基基团(在碳数为1或2时包括一个特定的取代基团)和环烷基基团。R2代表甲基基团、乙基基团等。R1a和R2a代表氢原子和烷基基团等特定基团。