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Phenoxazine dyes in solid-state dye-sensitized solar cells
KTH, School of Chemical Science and Engineering (CHE), Chemistry, Applied Physical Chemistry.ORCID iD: 0000-0003-1771-9401
KTH, School of Chemical Science and Engineering (CHE), Chemistry, Organic Chemistry.ORCID iD: 0000-0002-4521-2870
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2012 (English)In: Journal of Photochemistry and Photobiology A: Chemistry, ISSN 1010-6030, E-ISSN 1873-2666, Vol. 239, 55-59 p.Article in journal (Refereed) Published
Abstract [en]

Several structural modifications have been made to a sensitizer dye based on the phenoxazine core. which was tested in a solid-state dye-sensitized solar cell configuration based on the hole transporting material 2,2',7,7'-tetrakis(N,N-di-p-methoxyphenyl-amine)-9,9'-spirofluorene. Light-to-power conversion efficiencies between 2.5% and 4.1% are reported herein. The difference in device performance is significantly related to the variations of dye molecular structure, with dye molecules having surface protecting alkoxy-groups yielding better solar cell devices. The phenoxazine dyes were characterized by their light harvesting capabilities and electronic properties such as electron recombination lifetime and chemical dipole moment.

Place, publisher, year, edition, pages
2012. Vol. 239, 55-59 p.
Keyword [en]
Dye-sensitized, Solar cells, Spiro-OMeTAD, Dipole, Solid-state
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:kth:diva-100167DOI: 10.1016/j.jphotochem.2012.04.014ISI: 000306249700008Scopus ID: 2-s2.0-84861563177OAI: oai:DiVA.org:kth-100167DiVA: diva2:543021
Funder
Swedish Research Council
Note
QC 20120806Available from: 2012-08-06 Created: 2012-08-06 Last updated: 2017-12-07Bibliographically approved

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Karlsson, Marlin K.Sun, Licheng

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