US 7,321,037 B2
Photosensitizer dye
Chun-Guey Wu, Hualien County (Taiwan); Chia-Yuan Chen, Chiayi (Taiwan); and Shi-Jhang Wu, Taipei County (Taiwan)
Assigned to National Central University, Taoyuan (Taiwan)
Filed on Sep. 21, 2006, as Appl. No. 11/533,769.
Claims priority of application No. 95116728 A (TW), filed on May 11, 2006.
Prior Publication US 2007/0265443 A1, Nov. 15, 2007
Int. Cl. C07D 409/14 (2006.01); C07D 409/00 (2006.01)
U.S. Cl. 546—10  [544/225; 502/171; 546/2] 1 Claim
 
1. A photosensitizer dye for a dye sensitized solar cell, wherein the photosensitizer dye is a ruthenium (Ru) complex represented by the following general formula (1),

OG Complex Work Unit Drawing
wherein Y1 and Y2 independently represent hydrogen atom (H), lithium (Li), sodium (Na) or tetra-alkyl ammonium groups represented by the following general formula (2),

OG Complex Work Unit Drawing
wherein A, B, C and D independently represent CmH2m+1 (m=1˜6), andwherein X1 represents one of the following general formulas of formula (3), formula (4), formula (5), formula (6), formula (7) and formula (8), and X2 represents hydrogen atom (H) or the same group as X1,

OG Complex Work Unit Drawing
wherein Ra, Ra′ are independently selected from the group consisting of H, CmH2m+1 (m=1 to 15) and OCpH2p+1 (P=1 to 15), and n=1 to 4,

OG Complex Work Unit Drawing
wherein Rb is selected from the group consisting of H, CmH2m+1 (m=1 to 15) and OCpH2p+1 (P=1 to 15), and n=1 to 4,

OG Complex Work Unit Drawing
wherein Rc is selected from the group consisting of H, CmH2m+1 (m=1 to 15) and OCpH2p+1 (P=1 to 15), and n=1 to 2,

OG Complex Work Unit Drawing
wherein Rd is selected from the group consisting of H, CmH2m+1 (m=1 to 15) and OCpH2p+1 (P=1 to 15), and n=1 to 2,

OG Complex Work Unit Drawing
wherein Re, Rf, Rg are independently selected from the group consisting of H, CmH2m+1 (m=1 to 15) and OCpH2p+1 (P=1 to 15), and n=1 to 2,

OG Complex Work Unit Drawing
wherein Ri, Rj, Rh are independently selected from the group consisting of H, CmH2m+1 (m=1 to 15) and OCpH2p+1 (P=1 to 15), and n=1 to 2.