| 摘要 |
Provided are a photoelectric conversion element including a first electrode having a photosensitive layer including a light absorber on a conductive support and a second electrode facing the first electrode, in which the light absorber includes a compound having a perovskite-type crystal structure and at least one compound selected from compounds represented by any formula of Formulae (3) to (5) below is provided on a surface of the first electrode, a solar cell, and a method for manufacturing a photoelectric conversion element.;;In the formulae, G1 to G4 represent a group or a salt selected from the group consisting of —ORa, —O−Ya+, —SRa, —S−Ya+, —NRaRb, and —(NRaRbRc)+Ya−. Ra, Rb, and Rc represent a hydrogen atom or a substituent. Ya represents a counter salt. L1 represents an alkyl group, a cycloalkyl group, or the like. J1 and J3 represent a single bond or a linking group. J2 represents a linking group. p1 and p2 represent an integer of 1 or higher. A ring C represents an aromatic hydrocarbon ring or an aromatic hetero ring. Z represents a hetero atom or NR12. R12 represents a hydrogen atom or a substituent. m, n12, and n13 represent an integer of 0 or higher. R11 represents a substituent. n11 and q represent an integer of 1 or higher. |
| 主权项 |
1. A photoelectric conversion element comprising:
a first electrode having a photosensitive layer including a light absorber on a conductive support; and a second electrode facing the first electrode, wherein the light absorber includes a compound having a perovskite-type crystal structure having a cation of or a cationic organic group A, a cation of a metallic atom M, and an anion that is an anionic atom or atomic group X, and a layer of at least one compound selected from compounds represented by any formula of Formulae (3) to (5) below is provided on a surface of the first electrode, in Formula (3), G1 represents a group or a salt selected from the group consisting of —ORa, —O−Ya+, —SRa, —S−Ya+, —NRaRb, and —(NRaRbRc)+Ya−, Ra, Rb, and Rc each independently represent a hydrogen atom or a substituent, Ya represents a counter salt, L1 represents an alkyl group, a cycloalkyl group, a cycloalkenyl group, or a cycloalkadiene group, J1 represents a single bond or a linking group, and p1 is an integer of 1 or higher, in Formula (4), G2 and G3 are each independently identical to G1, J2 represents at least one linking group selected from the group consisting of linking groups represented by Formulae J-1 to J-8 below, and p2 represents an integer of 1 or higher, in Formula (5), a ring C represents an aromatic hetero ring, Z represents a hetero atom or NR12, m represents 1 or 2, R11 represents a substituent, R12 represents a hydrogen atom or a substituent, G4 is identical to G1, J3 represents a single bond or a linking group, n11 represents an integer of 1 or higher, and n12 and n13 each independently represent an integer of 0 or higher; here, in a case in which a nitrogen atom is not a constituent atom of the ring C, n13 represents an integer of 1 or higher, and q represents an integer of 1 or higher, in the formulae, * represents a linking portion to G2 or G3, or a linking portion to other linking groups represented by any formula of Formulae J-1 to J-8, D1 represents a nitrogen atom, N+R19, or CR20, D2 represents an oxygen atom, a sulfur atom, or NR21, M1 represents an oxygen atom, a sulfur atom, or NR22, Z1 represents a hetero atom or NR13, PY represents >C═CRY1RY2, >C═S, or >C=0, a ring P represents an aliphatic hydrocarbon ring or an aliphatic hetero ring, R13 to R17 and R19 to R22 each independently represent a hydrogen atom or a substituent, R18, RY1, and RY2 each independently represent a substituent, m1 represents an integer of 0 or higher, m2 represents an integer of 0 or higher, m3 represents an integer of 2 or higher, and m4 represents an integer of 0 or higher. |
