申请人:COMMISSARIAT À L'ÉNERGIE ATOMIQUE ET AUX ÉNERGIES ALTERNATIVES
公开号:US10655016B2
公开(公告)日:2020-05-19
An organic dye corresponding to one of the following structures (I) or (II): eD-pi-conjugated chromophore-L-A (I), or A-L-pi-conjugated chromophore-eD (II), where eD represents an electron donor segment, L represents a covalent bond or a spacer segment and in particular a pi-conjugated spacer segment, A represents an electron acceptor segment capable of forming a covalent bond with a semiconductor, in which the pi-conjugated chromophore comprises at least one unit of formula (III):
in which the radicals R1 and R2, which are identical or different, represent an optionally substituted aryl group; the radicals R3 to R8, which are identical or different, represent a hydrogen, an optionally substituted alkyl group or an optionally substituted aryl group; and X1 and X2, which are identical or different, are chosen from S, Se and O.
与下列结构(I)或(II)之一相对应的有机染料:eD-pi-共轭发色团-L-A (I),或 A-L-pi-共轭发色团-eD (II),其中 eD 代表电子供体段,L 代表共价键或间隔段,特别是 pi-共轭间隔段,A 代表能与半导体形成共价键的电子受体段,其中 pi-共轭发色团包括至少一个式 (III) 单元:
其中相同或不同的基 R1 和 R2 代表任选取代的芳基;相同或不同的基 R3 至 R8 代表氢、任选取代的烷基或任选取代的芳基;相同或不同的 X1 和 X2 选自 S、Se 和 O。