Organic dyes with remarkably high absorptivity; all solid-state dye sensitized solar cell and role of fluorine substitution

Organic dyes with remarkably high absorptivity; all solid-state dye sensitized solar cell and role of fluorine substitution

A series of new organic D-pi-A dyes, A1, A2-H and A2-F, possessing a remarkably high absorption extinction coefficient of epsilon > 5.0 x 10(4) M(-1) cm(-1) at peak wavelength were synthesized, among which, A2-F having a key fluorine substitution attains excellent all solid-state DSSC performance...

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2010-01, Vol.46 (29), p.5256-5258
Hauptverfasser: Chen, Dong-Yi, Hsu, Yu-Yen, Hsu, Hui-Chu, Chen, Bo-So, Lee, Yi-Tsung, Fu, Hungshin, Chung, Min-Wen, Liu, Shih-Hung, Chen, Hsieh-Chih, Chi, Yun, Chou, Pi-Tai
Format: Artikel
Sprache:eng
Schlagworte:
Absorptivity
Dyes
Extinction
Fluorine
Photovoltaic cells
Solar cells
Volatile organic compounds
Wavelengths
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Beschreibung
Zusammenfassung:A series of new organic D-pi-A dyes, A1, A2-H and A2-F, possessing a remarkably high absorption extinction coefficient of epsilon > 5.0 x 10(4) M(-1) cm(-1) at peak wavelength were synthesized, among which, A2-F having a key fluorine substitution attains excellent all solid-state DSSC performance, with optimized parameters of eta = 4.86%, J(SC) = 7.52 mA cm(-2), V(OC) = 0.91 V, and FF = 0.71.
ISSN:1359-7345
1364-548X
DOI:10.1039/c0cc00808g