Patent ID: 8633380
Filing Date: 2014-01-21
Classification: C07F,C09B,H01G,H01L,H01M,Y02E,Y02P

Abstract:
1. A binuclear ruthenium complex dye represented by the formula (1): wherein two and may be the same as, or different from each other, and each independently represents wherein Z represents a 5-membered heteroarylene, n represents a number of Z, which is an integer of from 0 to 4, and R represents hydrogen, a linear or branched alkyl group having 1 to 18 carbon atoms, or carboxyl group, with the proviso that two R may be the same as, or different from each other, and a plurality of Z may be the same as, or different from each other; or wherein R or two R with the proviso that two R wherein Ar represents an aryl group which may have a substituent, with the proviso that two Ar may be the same as, or different from each other; and X represents a counter ion; and m represents a number of the counter ions needed to neutralize a charge of the complex; with the proviso that at least one of two and represents a group represented by the formula (2-1) in which n is an integer of from 1 to 4, or a group represented by the formula (2-3); or represents a group represented by the formula (2-2); and proton(s) (H