Comment on “Flat band potential determination: avoiding the pitfalls” by A. Hankin, F. E. Bedoya-Lora, J. C. Alexander, A. Regoutz and G. H. Kelsall, J. Mater. Chem. A, 2019, 7, 26162

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Title: Comment on “Flat band potential determination: avoiding the pitfalls” by A. Hankin, F. E. Bedoya-Lora, J. C. Alexander, A. Regoutz and G. H. Kelsall, J. Mater. Chem. A, 2019, 7, 26162
Authors: Díez García, María Isabel | Monllor-Satoca, Damián | 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: Flat band potentials | Electrochemistry | Photoelectrodes | Mott–Schottky analysis | Gärtner–Butler model
Issue Date: 30-Mar-2022
Publisher: Royal Society of Chemistry
Citation: Journal of Materials Chemistry A. 2022, 10: 8591-8593. https://doi.org/10.1039/D1TA06474F
Abstract: In this comment, it is shown that the work published by Hankin et al. [Hankin et al., J. Mater. Chem. A, 2019, 7, 26162–26176], while mostly timely and appropriate, present two mistakes that are discussed in detail. First, the determination of flat band potentials through a Mott–Schottky analysis is in principle not affected by the existence of a real surface area substantially larger than the geometric surface area and, second, the Gärtnet–Butler model may not be applicable for electrodes with high values of the absorption coefficient and low dopant density values.
URI: http://hdl.handle.net/10045/131181
ISSN: 2050-7488 (Print) | 2050-7496 (Online)
DOI: 10.1039/D1TA06474F
Language: eng
Type: info:eu-repo/semantics/article
Rights: © The Royal Society of Chemistry 2022
Peer Review: si
Publisher version: https://doi.org/10.1039/D1TA06474F
Appears in Collections:INV - GFES - Artículos de Revistas

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