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Charge-transfer dynamics at the dye-semiconductor interface of photocathodes for solar energy applications

Camp, Jason, Gibson, Elizabeth A., Black, Fiona A, Wood, Christopher J., Ngwerume, Simbarashe, Summers, Gareth H., Clark, Ian P and Towrie, Michael (2017) Charge-transfer dynamics at the dye-semiconductor interface of photocathodes for solar energy applications. Faraday Discussions. ISSN 1359-6640

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Abstract

This article describes a comparison between the photophysical properties of two charge-transfer dyes adsorbed onto NiO via two different binding moieties. Transient spectroscopy measurements suggest that the structure of the anchoring group affects both the rate of charge recombination between the dye and NiO surface and the rate of dye regeneration by an iodide/triiodide redox couple. This is consistent with the performance of the dyes in p-type dye sensitised solar cells. A key finding was that the recombination rate differed in presence of the redox couple. This has important implications on the study of electron transfer at dye|semiconductor interfaces for solar energy applications.

Item Type: Article
Contributors:
ContributionNameEmailORCID
AuthorUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
AuthorUNSPECIFIEDUNSPECIFIEDUNSPECIFIED
Subjects: Q Science > QD Chemistry
Schools: School of Applied Sciences
Related URLs:
Depositing User: Jason Camp
Date Deposited: 19 Jan 2017 10:43
Last Modified: 11 Dec 2017 05:40
URI: http://eprints.hud.ac.uk/id/eprint/30950

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