Patent ID: 8664393

Claim:
A ruthenium complex photosensitizer dye for dye-sensitized solar cells, the ruthenium complex photosensitizer dye having the following general formula (I): where Z 1 and Z 2 individually represent H, Li, Na, or tetra-alkyl ammonium group represented by formula (a), In formula (a), X 1 to X 4 individually represent C m H 2m+1 (m is an integer from 1 to 6), In formula (I), A is one of the followings: H, or C m H 2m+1 (m is an integer from 1 to 15), or CH 2 [OC 2 H 4 ] p OC m H 2m+1 (p is an integer from 1 to 30, m is an integer from 1 to 15); In formulae (110) to (132), n is zero or an integer from 1 to 15; In formula (1), B, C, and D are individually selected from the followings: H, or C m H 2m+1 (m is an integer from 1 to 15), or CH 2 [OC 2 H 4 ] p OC m H 2m+1 (p is an integer from 1 to 30, m is an integer from 1 to 15); where R 3 , R 4 , R 7 , R 9 , R 10 , R 21 , R 22 , R 24 , R 26 , R 27 , and R 39 to R 43 represent C m H 2m+1 (m is zero or an integer from 1 to 15), R, R 12 to R 15 , R 19 , R 28 to R 33 , R 37 , and R 44 to R 48 represent C m H 2m+1 (m is an integer from 1 to 15), R 1 , R 11 , R 17 , and R 35 represent C m H 2m+1 (m is an integer from 1 to 15) or phenyl, R 2 , R 16 , and R 34 represent CH 2 [OC 2 H 4 ] p OC m H 2m+1 (p is an integer from 1 to 30, m is an integer from 1 to 15), R 18 , R 36 , and R 38 represent CH 2 [OC 2 H 4 ] p OC m ,H m2+1 or C m H 2m+1 (p is an integer from 1 to 30, in is an integer from 1 to 15); In formulae 123, 125, 147, 148, 150, 170, 172, 173 and 175, X represents Se, S or O; in formulae 110 to 112, 114, 115 and 134 to 138, X represents F, Cl, Br, I or C m H 2m+1 (m is an integer from 1 to 15); and in formulae 113, X represents F, Cl, Br, or I; with the provision that at least one of Z 1 , Z 2 , B, C and D is not H.