Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/13596
Title: Dithiafulvenyl unit as a new donor for high-efficiency dye-sensitized solar cells : synthesis and demonstration of a family of metal-free organic sensitizers
Authors: Guo, K
Yan, K
Lu, X
Qiu, Y
Liu, Z
Sun, J
Yan, F 
Guo, W
Yang, S
Issue Date: 2012
Publisher: American Chemical Society
Source: Organic letters, 2012, v. 14, no. 9, p. 2214-2217 How to cite?
Journal: Organic letters 
Abstract: This work identifies the dithiafulvenyl unit as an excellent electron donor for constructing D-π-A-type metal-free organic sensitizers of dye-sensitized solar cells (DSCs). Synthesized and tested are three sensitizers all with this donor and a cyanoacrylic acid acceptor but differing in the phenyl (DTF-C1), biphenyl (DTF-C2), and phenyl-thiopheneyl-phenyl π-bridges (DTF-C3). Devices based on these dyes exhibit a dramatically improved performance with the increasing π-bridge length, culminating with DTF-C3 in η = 8.29% under standard global AM 1.5 illumination.
URI: http://hdl.handle.net/10397/13596
ISSN: 1523-7060
EISSN: 1523-7052
DOI: 10.1021/ol300477b
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