Provided is a photoelectric conversion element, including a first electrode that has a photosensitive layer containing a light absorbing agent on a conductive support, in which the light absorbing agent contains a compound having a perovskite-type crystal structure that has an organic cation represented by Formulas (1) and (2), a cation of a metal atom, and an anion; and a solar cell which is formed of this photoelectric conversion element.
C(R
1
)(R
2
)(R
3
)—N(R
1a
)
3
+
Formula (1)
R
4
—NR
2a
3
+
Formula (2)
R
1
, R
2
, R
3
, and R
4
represent specific substituent that may be different from each other. R
1a
and R
2a
represent a hydrogen atom or a specific substituent.
提供的是一种光电转换元件,包括具有在导电支撑上含有吸光剂的光敏层的第一电极,其中吸光剂包含具有由
化学式(1)和(2)表示的有机阳离子、
金属原子的阳离子和阴离子的
钙钛矿型晶体结构的化合物;以及由该光电转换元件形成的太阳能电池。C(R1)(R2)(R3)—N(R1a)3+
化学式(1)R4—NR2a3+
化学式(2)R1、R2、R3和R4代表可能彼此不同的特定取代基。R1a和R2a代表氢原子或特定取代基。