A metal complex dye, containing a ligand LL1 having a structure represented by Formula (I):
wherein R1 and R2 represent a specific substituent; L1 and L2 represent a group composed of at least one kind of group selected from the group consisting of an ethenylene group, an ethynylene group and an arylene group, and conjugate with R1 or R2, and the bipyridine; the ethenylene group and the arylene group may be substituted or unsubstituted; R3 and R4 represent a substituent; n1 and n2 represent an integer of 0 to 3; A1 and A2 represent an acidic group or a salt thereof; and n3 and n4 represent an integer of 0 to 3.
一种
金属络合
染料,含有结构如式 (I) 所示的
配体 LL1:
其中 R1 和 R2 代表特定的取代基;L1 和
L2 代表至少由一种基团组成的基团,该基团选自
乙烯基、
乙炔基和芳基,并与 R1 或 R2 和联
吡啶共轭;
乙烯基和芳基可以是取代或未取代的;R3 和 R4 代表取代基;n1 和 n2 代表 0 至 3 的整数;A1 和 A2 代表酸性基团或其盐;n3 和 n4 代表 0 至 3 的整数。