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Do iodine or thiocyanate play a role in p-type dye sensitized solar cells?

Lookup NU author(s): Chris Wood, Professor Elizabeth GibsonORCiD

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This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License (CC BY-NC 4.0).

Abstract

Charge-recombination at the NiO/electrolyte interface is one of the performance-limiting factors that prevent dye-sensitized p-type solar cells (p-DSCs) from matching the efficiency of conventional TiO₂ devices. This article describes a photoelectrochemical investigation of the charge-transfer processes at the NiO/electrolyte interface. NiO appears to catalyze the oxidation iodide but the addition of GuSCN inhibits recombination. These results suggest that new redox electrolytes will be needed if Tandem DSCs are to exceed the efficiency of state-of-the-art TiO₂ devices.

Publication metadata

Author(s): Wood CJ, McGregor CA, Gibson EA

Publication type: Article

Publication status: Published

Journal: ChemElectroChem

Year: 2016

Volume: 3

Issue: 11

Pages: 1827-1836

Print publication date: 01/11/2016

Online publication date: 10/08/2016

Acceptance date: 05/08/2016

Date deposited: 05/08/2016

ISSN (electronic): 2196-0216

Publisher: Wiley - VCH Verlag GmbH & Co. KGaA

URL: http://dx.doi.org/10.1002/celc.201600387

DOI: 10.1002/celc.201600387

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