Journal
ORGANIC LETTERS
Volume 12, Issue 6, Pages 1204-1207Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ol902973r
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Funding
- National MOST [2005CB623607, 2009AA05Z421]
- NKSTARS
- Computational Chemistry at Nankai University
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Introduction of modified 3,4-propylenedioxythiophene units into triphenylamine-based dyes is found to enhance light capturing, suppress dye aggregation, and remarkably retard charge recombination in dye-sensitized solar cells. Open circuit voltages of the as-synthesized dyes (similar to 800 mV) are much higher than that with a thiophene congener (720 mV) under similar conditions as a result of self-passivation benefiting from their three-dimensional branched structures.
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