Issue 10, 2012

Synthesis and applications of new triphenylamine dyes with donor–donor–(bridge)–acceptor structure for organic dye-sensitized solar cells

Abstract

Four novel asymmetric triphenylamine dyes configured with donor–donor–acceptor (D–D–A) and donor–donor–bridge–acceptor (D–D–π–A) structures were synthesized and applied to organic dye-sensitized solar cells. The terminal methoxy group in the donor part and the furane-bridge unit contributed to the wider absorption region and enhanced electron life time, resulting in a higher photocurrent density (Jsc), open-circuit voltage (Voc), and overall conversion efficiency (η). Among the synthesized dyes, the SK2-based DSSC showed the highest conversion efficiency of 5.57% (Jsc = 10.41 mA cm−2, Voc = 729 mV, and FF = 0.73) caused by the synergetic effect of the methoxy group and the furane-bridge unit.

Graphical abstract: Synthesis and applications of new triphenylamine dyes with donor–donor–(bridge)–acceptor structure for organic dye-sensitized solar cells

Supplementary files

Article information

Article type
Paper
Submitted
09 May 2012
Accepted
16 Jul 2012
First published
17 Jul 2012

New J. Chem., 2012,36, 2025-2032

Synthesis and applications of new triphenylamine dyes with donor–donor–(bridge)–acceptor structure for organic dye-sensitized solar cells

C. Sakong, H. J. Kim, S. H. Kim, J. W. Namgoong, J. H. Park, J. Ryu, B. Kim, M. J. Ko and J. P. Kim, New J. Chem., 2012, 36, 2025 DOI: 10.1039/C2NJ40374A

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