Please use this identifier to cite or link to this item: https://hdl.handle.net/10356/81663
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dc.contributor.authorZhu, Linnaen
dc.contributor.authorYang, Hong Binen
dc.contributor.authorZhong, Chengen
dc.contributor.authorLi, Chang Mingen
dc.date.accessioned2016-07-04T08:10:27Zen
dc.date.accessioned2019-12-06T14:35:46Z-
dc.date.available2016-07-04T08:10:27Zen
dc.date.available2019-12-06T14:35:46Z-
dc.date.issued2014en
dc.identifier.citationZhu, L., Yang, H. B., Zhong, C., & Li, C. M. (2014). Rational design of triphenylamine dyes for highly efficient p-type dye sensitized solar cells. Dyes and Pigments, 105, 97-104.en
dc.identifier.issn0143-7208en
dc.identifier.urihttps://hdl.handle.net/10356/81663-
dc.description.abstractTwo new sensitizers based on triphenylamine-dicyanovinylene have been synthesized and used for p-type dye-sensitized solar cells. The best performance amongst solar cells was achieved by the dye with a ter-thiophene bridge ligand between carboxylic acid group and the triphenylamine part (with power conversion efficiency of 0.19%, short circuit current of 4.01 mA cm−2, open circuit voltage at 144 mV, and fill factor of 0.33). Results indicate that the ter-thiophene groups in the dyes strongly affects both charge recombination and hole injection in the photoelectrode. In addition, the hexyl chains on the bridged thiophene rings also help to avoid dye aggregation on the nickel oxide film and block I− in electrolyte from approaching the surface of nickel oxide, which leads to a reduction in the charge recombination between nickel oxide semiconductor and electrolyte. This study suggested that modification of the bridge moiety between triphenylamine and the carboxylic group by increasing thiophene units is a promising way for preventing charge recombination and increasing the power conversion efficiency.en
dc.description.sponsorshipASTAR (Agency for Sci., Tech. and Research, S’pore)en
dc.language.isoenen
dc.relation.ispartofseriesDyes and Pigmentsen
dc.rights© 2014 Elsevier.en
dc.subjectTriphenylamineen
dc.subjectDye-sensitized solar cellen
dc.titleRational design of triphenylamine dyes for highly efficient p-type dye sensitized solar cellsen
dc.typeJournal Articleen
dc.contributor.schoolSchool of Chemical and Biomedical Engineeringen
dc.identifier.doi10.1016/j.dyepig.2014.01.024en
item.grantfulltextnone-
item.fulltextNo Fulltext-
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