PHOTOELECTRIC CONVERSION ELEMENT, DYE-SENSITIZED SOLAR CELL, METAL COMPLEX DYE, DYE SOLUTION, AND TERPYRIDINE COMPOUND OR ESTERIFICATION PRODUCT THEREOF
申请人:Fujifilm Corporation
公开号:EP3168847A1
公开(公告)日:2017-05-17
Provided are a photoelectric conversion element including a photoelectric conversion element including an electrically conductive support, a photoconductor layer including an electrolyte, a charge transfer layer including an electrolyte, and a counter electrode, in which the photoconductor layer has semiconductor fine particles carrying a metal complex dye represented by the following Formula (I), and a dye-sensitized solar cell; and a metal complex dye, a dye solution, and a terpyridine compound or an esterified product thereof which used in the photoelectric conversion element and the dye-sensitized solar cell,
Formula (I) M(LA)(LD)(LX)mX·(CI)mY
in the formula, M represents a metal ion, LA represents a tridentate ligand represented by the following Formula (AL-1), LD represents a bidentate ligand, or a tridentate ligand, at least one of coordinating atoms in LD bonded to the metal ion M is a nitrogen atom, at least one of the coordinating atoms is an anion, LX represents a monodentate ligand, mX represents 0 or 1, CI represents a counterion, and mY represents an integer of 0 to 3; and
in the formula, Za and Zb each represent a non-metal atomic group necessary for forming a 5- or 6-membered ring, and at least one of the Za ring and the Zb ring has one or more acidic groups, LW represents a nitrogen atom or CRW, RW represents a hydrogen atom or a substituent, G represents a ring group represented by any one of Formulae (X-1) to (X-3), n represents an integer of 2 to 7, T represents a hydrogen atom or a substituent, a -(G)n-T group does not have an acidic group and an amino group, Zt2 and Zt3 each represent a non-metal atomic group necessary for forming a fused ring, RT1 to RT3 each represent a substituent, PT1 represents an integer of 0 to 2, PT2 and PT3 are each an integer of 0 or more, and * represents a binding position.
本发明提供了一种光电转换元件,包括光电转换元件,其中光电转换元件包括导电支架、包括电解质的光电导体层、包括电解质的电荷转移层和对电极,其中光电导体层具有携带由下式(I)表示的金属络合染料的半导体微粒,以及染料敏化太阳能电池;以及用于光电转换元件和染料敏化太阳能电池的金属络合染料、染料溶液和萜吡啶化合物或其酯化产品、
式(I) M(LA)(LD)(LX)mX-(CI)mY
式中,M 代表金属离子,LA 代表由下式(AL-1)表示的三叉配体,LD 代表双叉配体或三叉配体,LD 中与金属离子 M 结合的配位原子中至少有一个是氮原子,配位原子中至少有一个是阴离子,LX 代表单齿配体,mX 代表 0 或 1,CI 代表反离子,mY 代表 0 至 3 的整数;和
在式中,Za 和 Zb 分别代表形成 5 或 6 元环所必需的非金属原子团,且 Za 环和 Zb 环中至少有一个具有一个或多个酸性基团,LW 代表氮原子或 CRW,RW 代表氢原子或取代基,G 代表由式(X-1)至(X-3)中任一项表示的环基,n 代表 2 至 7 的整数、T 代表氢原子或取代基,-(G)n-T 基团不具有酸性基团和氨基,Zt2 和 Zt3 各代表形成融合环所必需的非金属原子团,RT1 至 RT3 各代表取代基,PT1 代表 0 至 2 的整数,PT2 和 PT3 各为 0 或以上的整数,* 代表结合位置。