A metal complex dye, containing a ligand LL1 having a structure represented by Formula (I):
wherein R
1
and R
2
represent a specific substituent; L
1
and L
2
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 R
1
or R
2
, and the bipyridine; the ethenylene group and the arylene group may be substituted or unsubstituted; R
3
and R
4
represent a substituent; n1 and n2 represent an integer of 0 to 3; A
1
and A
2
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,包含一种具有由
化学式(I)表示的结构的
配体LL1,其中R1和R2代表特定的取代基;L1和
L2代表由至少从
乙烯基、
乙炔基和芳基中选择的一种组成的基团,并且与R1或R2以及双
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到3的整数;A1和A2代表酸性基团或其盐;n3和n4代表0到3的整数。