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High-performance phosphide/carbon counter electrode for both iodide and organic redox couples in dye-sensitized solar cells
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2012 (English)In: Journal of Materials Chemistry, ISSN 0959-9428, E-ISSN 1364-5501, Vol. 22, no 22, 11121-11127 p.Article in journal (Refereed) Published
Abstract [en]

In the present study, molybdenum phosphide (MoP), nickel phosphide (Ni5P4), and carbon-supported Ni5P4 (Ni5P4/C) were proposed for use as counter electrode (CE) catalysts in dye-sensitized solar cells (DSCs) for the regeneration of both the conventional I-3(-)/I- redox couple and a new organic T-2/T- redox couple. For the I-3(-)/I- redox couple, the DSCs using MoP and Ni5P4 CE yielded a power conversion efficiency (PCE) of 4.92 and 5.71%, and the DSC using Ni5P4/C showed a high PCE of 7.54%, which was close to that of the DSC using Pt CE (7.76%). For the T-2/T- redox couple, Ni5P4/C performed much better than Pt and the DSC using Ni5P4/C CE showed a PCE of 4.75%, much higher than the photovoltaic performance of the DSC using Pt CE (3.38%).

Place, publisher, year, edition, pages
2012. Vol. 22, no 22, 11121-11127 p.
National Category
Chemical Sciences
URN: urn:nbn:se:uu:diva-175872DOI: 10.1039/c2jm30832kISI: 000304062300027OAI: oai:DiVA.org:uu-175872DiVA: diva2:533297
Available from: 2012-06-13 Created: 2012-06-13 Last updated: 2012-06-13Bibliographically approved

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