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A triphenylamine dye model for the study of intramolecular energy transfer and charge transfer in dye-sensitized solar cells.
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2008 (English)In: Advanced Functional Materials, ISSN 1616-301X, E-ISSN 1616-3028, Vol. 18, no 21, 3461-3468 p.Article in journal (Refereed) Published
Abstract [en]

A novel dye (2TPA-R), contg. two triphenylamine (TPA) units connected by a vinyl group and rhodanine-3-acetic acid as the electron acceptor, is designed and synthesized successfully to reveal the working principles of org. dye in dye-sensitized solar cells (DSSCs). 2TPA and TPA-R, which consist of two TPA units connected by vinyl and a TPA unit linked with rhodanine-3-acetic acid, resp., are also synthesized as refs. to study the intramol. energy transfer (EnT) and charge transfer (ICT) processes of 2TPA-R in CH2Cl2 soln. and on a TiO2 surface. The results suggest that the intramol. EnT and ICT processes show a pos. effect on the performance of DSSCs. However, the flexible structure and less-adsorbed amt. of dye on TiO2 may make it difficult to improve the efficiency of DSSCs. This study on intramol. EnT and ICT processes acts as a guide for the design and synthesis of efficient org. dyes in the future. [on SciFinder(R)]

Place, publisher, year, edition, pages
2008. Vol. 18, no 21, 3461-3468 p.
Keyword [en]
triphenylamine dye model DSSC intramol energy charge transfer
National Category
Natural Sciences
URN: urn:nbn:se:uu:diva-218493DOI: 10.1002/adfm.200800516OAI: oai:DiVA.org:uu-218493DiVA: diva2:695797

CAPLUS AN 2008:1446491(Journal)

Available from: 2014-02-12 Created: 2014-02-12 Last updated: 2014-02-12

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Tian, Haining
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