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Increasing p-type dye sensitised solar cell photovoltages using polyoxometalates

Lookup NU author(s): Fiona Black, Chris Wood, Dr Anil Reddy, 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

Lindqvist polyoxometalate (POM) additives increase V_OC in p-type DSSCs by up to 140%, yielding substantial efficiency gains for poorly matched dyes and redox mediators. For better dye/electrolyte combinations, these gains are typically outweighed by losses in J_SC. Charge lifetime and transient IR measurements show that this is due to retardation of both recombination and electron transfer to the mediator, and a positive shift in the NiO valence band edge. The POMs also show their own, limited sensitizing effect.

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Author(s): ElMoll H, Black FA, Wood CJ, AlYasari A, ReddyMarri A, Sazanovich IV, Gibson EA, Fielden J

Publication type: Article

Publication status: Published

Journal: Physical Chemistry Chemical Physics

Year: 2017

Issue: 19

Pages: 18831-18835

Print publication date: 07/08/2017

Online publication date: 03/07/2017

Acceptance date: 03/07/2017

Date deposited: 18/07/2017

ISSN (print): 1463-9076

ISSN (electronic): 1463-9084

Publisher: Royal Society of Chemistry

URL: https://doi.org/10.1039/C7CP01558E

DOI: 10.1039/C7CP01558E

Data Access Statement: http://dx.doi.org/10.17634/154300-53

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