Toward Tandem Solar Cells for Water Splitting Using Polymer Electrolytes

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Title: Toward Tandem Solar Cells for Water Splitting Using Polymer Electrolytes
Authors: Cots, Ainhoa | Bonete, Pedro | Sebastián, David | Baglio, Vincenzo | Aricò, Antonino Salvatore | Gómez, Roberto
Research Group/s: Grupo de Fotoquímica y Electroquímica de Semiconductores (GFES)
Center, Department or Service: Universidad de Alicante. Departamento de Química Física | Universidad de Alicante. Instituto Universitario de Electroquímica
Keywords: Bias-free water splitting | Hematite | Copper(II) oxide | Photoelectrochemical cell | Polymer electrolyte membrane
Knowledge Area: Química Física
Issue Date: 19-Jul-2018
Publisher: American Chemical Society
Citation: ACS Applied Materials & Interfaces. 2018, 10(30): 25393-25400. doi:10.1021/acsami.8b06826
Abstract: Tandem photoelectrochemical cells, formed by two photoelectrodes with complementary light absorption, have been proposed to be a viable approach for obtaining clean hydrogen. This requires the development of new designs that allow for upscaling, which would be favored by the use of transparent polymer electrolyte membranes (PEMs) instead of conventional liquid electrolytes. This article focuses on the photoelectrochemical performance of a water-splitting tandem cell based on a phosphorus-modified α-Fe2O3 photoanode and on an iron-modified CuO photocathode, with the employment of an alkaline PEM. Such a photoelectrochemical cell works even in the absence of bias, although significant effort should be directed to the optimization of the photoelectrode/PEM interface. In addition, the results reveal that the employment of polymer electrolytes increases the stability of the device, especially in the case of the photocathode.
Sponsor: Authors gratefully acknowledge funding from the European Union’s Horizon 2020 research and innovation programme under grant agreement no. 760930 (FotoH2 project).
ISSN: 1944-8244 (Print) | 1944-8252 (Online)
DOI: 10.1021/acsami.8b06826
Language: eng
Type: info:eu-repo/semantics/article
Rights: © 2018 American Chemical Society. This is an open access article published under an ACS AuthorChoice License, which permits copying and redistribution of the article or any adaptations for non-commercial purposes.
Peer Review: si
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Appears in Collections:Research funded by the EU
INV - GFES - Artículos de Revistas

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