Towards the improvement of methane production in CO2 photoreduction using Bi2WO6/TiO2 heterostructures

Collado, Laura; Gomez-Mendoza, Miguel; García-Tecedor, Miguel; Oropeza, Freddy E.; Reynal, Anna; Durrant, James; Serrano, David P.; de, Víctor A.

doi:10.1016/j.apcatb.2022.122206

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Towards the improvement of methane production in CO2 photoreduction using Bi2WO6/TiO2 heterostructures

Laura Collado, Miguel Gomez-Mendoza, Miguel García-Tecedor, Freddy E. Oropeza, Anna Reynal, James Durrant

, David P. Serrano, Víctor A. de la Peña O’Shea

Applied Catalysis B: Environmental, Volume: 324, Start page: 122206

Swansea University Author: James Durrant

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DOI (Published version): 10.1016/j.apcatb.2022.122206

Abstract

Russelite bismuth tungstate (Bi2WO6) has been widely reported for the photocatalytic degradation and mineralization of a myriad of pollutants as well as organic compounds. These materials present perovskite-like structure with hierarchical morphologies, which confers excellent optoelectronic propert...

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Published in:	Applied Catalysis B: Environmental
ISSN:	0926-3373
Published:	Elsevier BV 2023
Online Access:	Check full text
URI:	https://cronfa.swan.ac.uk/Record/cronfa62022

first_indexed	2022-11-24T10:43:46Z
last_indexed	2024-11-14T12:20:11Z
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Here, we propose the development of Bi2WO6/TiO2 heterojunctions for CO2 photoreduction, as a promising solution to produce fuels, alleviate global warming and tackle fossil fuel shortage. Our results show an improvement of the photocatalytic activity of the heterojunctions compared to the pristine semiconductors. Near Ambient Pressure X-ray Photoelectron Spectroscopy (NAP-XPS) experiments reveals a preferential CO2 adsorption over TiO2. 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spelling	2024-07-23T15:57:22.0218690 v2 62022 2022-11-24 Towards the improvement of methane production in CO2 photoreduction using Bi2WO6/TiO2 heterostructures f3dd64bc260e5c07adfa916c27dbd58a 0000-0001-8353-7345 James Durrant James Durrant true false 2022-11-24 EAAS Russelite bismuth tungstate (Bi2WO6) has been widely reported for the photocatalytic degradation and mineralization of a myriad of pollutants as well as organic compounds. These materials present perovskite-like structure with hierarchical morphologies, which confers excellent optoelectronic properties as potentials candidates for photocatalytic solar fuels production. Here, we propose the development of Bi2WO6/TiO2 heterojunctions for CO2 photoreduction, as a promising solution to produce fuels, alleviate global warming and tackle fossil fuel shortage. Our results show an improvement of the photocatalytic activity of the heterojunctions compared to the pristine semiconductors. Near Ambient Pressure X-ray Photoelectron Spectroscopy (NAP-XPS) experiments reveals a preferential CO2 adsorption over TiO2. On the other hand, transient absorption spectroscopy measurements show that the charge transfer pathway in Bi2WO6/TiO2 hybrids leads to longer-lived photogenerated carriers in spatially separated redox active sites, which favour the reduction of CO2 into highly electron demanding fuels and chemicals, such as CH4 and C2H6. Journal Article Applied Catalysis B: Environmental 324 122206 Elsevier BV 0926-3373 CO2 photoreduction; Bi2WO6/TiO2 heterojunction; CH4 production; Charge dynamics studies 5 5 2023 2023-05-05 10.1016/j.apcatb.2022.122206 COLLEGE NANME Engineering and Applied Sciences School COLLEGE CODE EAAS Swansea University Financial support has been received from the European Research Council (ERC), through HYMAP project (grant agreement No. 648319), under the European Union’s Horizon 2020 research and innovation program, as well as from the Marie Sklodowska-Curie grant agreement No. 754382. L.C. acknowledges funding from the project ARMONIA (PID2020–119125RJ-I00) funded by MCIN/AEI/10.13039/501100011033. Financial support has also been received from AEI-MINECO/FEDER (Nympha Project, PID2019–106315RB-I00), “Comunidad de Madrid” regional government, and the European Structural Funds (FotoArt-CM project, S2018/NMT-4367). Authors also acknowledge financial support from the grant PLEC2021–007906 funded by MCIN/AEI/10.13039/501100011033 and the “European Union NextGenerationEU/PRTR”. 2024-07-23T15:57:22.0218690 2022-11-24T10:41:34.4592258 Faculty of Science and Engineering School of Engineering and Applied Sciences - Materials Science and Engineering Laura Collado 1 Miguel Gomez-Mendoza 2 Miguel García-Tecedor 3 Freddy E. Oropeza 4 Anna Reynal 5 James Durrant 0000-0001-8353-7345 6 David P. Serrano 7 Víctor A. de la Peña O’Shea 8 62022__25889__14366163a4ec48e89e05dcdb641e0eef.pdf 62022.pdf 2022-11-24T10:43:21.1689958 Output 3853255 application/pdf Accepted Manuscript true 2023-11-23T00:00:00.0000000 ©2022 All rights reserved. All article content, except where otherwise noted, is licensed under a Creative Commons Attribution Non-Commercial No Derivatives License (CC-BY-NC-ND) true eng https://creativecommons.org/licenses/by-nc-nd/4.0/
title	Towards the improvement of methane production in CO2 photoreduction using Bi2WO6/TiO2 heterostructures
spellingShingle	Towards the improvement of methane production in CO2 photoreduction using Bi2WO6/TiO2 heterostructures James Durrant
title_short	Towards the improvement of methane production in CO2 photoreduction using Bi2WO6/TiO2 heterostructures
title_full	Towards the improvement of methane production in CO2 photoreduction using Bi2WO6/TiO2 heterostructures
title_fullStr	Towards the improvement of methane production in CO2 photoreduction using Bi2WO6/TiO2 heterostructures
title_full_unstemmed	Towards the improvement of methane production in CO2 photoreduction using Bi2WO6/TiO2 heterostructures
title_sort	Towards the improvement of methane production in CO2 photoreduction using Bi2WO6/TiO2 heterostructures
author_id_str_mv	f3dd64bc260e5c07adfa916c27dbd58a
author_id_fullname_str_mv	f3dd64bc260e5c07adfa916c27dbd58a_***_James Durrant
author	James Durrant
author2	Laura Collado Miguel Gomez-Mendoza Miguel García-Tecedor Freddy E. Oropeza Anna Reynal James Durrant David P. Serrano Víctor A. de la Peña O’Shea
format	Journal article
container_title	Applied Catalysis B: Environmental
container_volume	324
container_start_page	122206
publishDate	2023
institution	Swansea University
issn	0926-3373
doi_str_mv	10.1016/j.apcatb.2022.122206
publisher	Elsevier BV
college_str	Faculty of Science and Engineering
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department_str	School of Engineering and Applied Sciences - Materials Science and Engineering{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Materials Science and Engineering
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description	Russelite bismuth tungstate (Bi2WO6) has been widely reported for the photocatalytic degradation and mineralization of a myriad of pollutants as well as organic compounds. These materials present perovskite-like structure with hierarchical morphologies, which confers excellent optoelectronic properties as potentials candidates for photocatalytic solar fuels production. Here, we propose the development of Bi2WO6/TiO2 heterojunctions for CO2 photoreduction, as a promising solution to produce fuels, alleviate global warming and tackle fossil fuel shortage. Our results show an improvement of the photocatalytic activity of the heterojunctions compared to the pristine semiconductors. Near Ambient Pressure X-ray Photoelectron Spectroscopy (NAP-XPS) experiments reveals a preferential CO2 adsorption over TiO2. On the other hand, transient absorption spectroscopy measurements show that the charge transfer pathway in Bi2WO6/TiO2 hybrids leads to longer-lived photogenerated carriers in spatially separated redox active sites, which favour the reduction of CO2 into highly electron demanding fuels and chemicals, such as CH4 and C2H6.
published_date	2023-05-05T14:20:48Z
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Towards the improvement of methane production in CO2 photoreduction using Bi2WO6/TiO2 heterostructures

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