PdCu deposited alloys on TiO2 for hydrogen photo-production

The role of a Pd-based co-catalyst supported on a high surface area anatase powder is analyzed for the photo-production of hydrogen from methanol:water mixtures. The co-catalyst chemical composition was modified by replacing palladium atoms with copper. The preparation method renders alloyed particl...

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Detalhes bibliográficos
Autores: Gómez-Cerezo, María Natividad, Sayago-Carro, Rocío, Cortés-Bazo, Alejandro, Fernández García, Marcos, Kubacka, Anna
Tipo de documento: artigo
Estado:Versão publicada
Data de publicação:2023
País:España
Recursos:Consejo Superior de Investigaciones Científicas (CSIC)
Repositório:DIGITAL.CSIC. Repositorio Institucional del CSIC
OAI Identifier:oai:digital.csic.es:10261/358248
Acesso em linha:http://hdl.handle.net/10261/358248
https://www.scopus.com/inward/record.uri?eid=2-s2.0-85164684909&doi=10.1016%2fj.cattod.2023.114280&partnerID=40&md5=913206f929ecd74b5f5ef567e8716239
Access Level:Acceso aberto
Palavra-chave:Hydrogen
Photocatalysis
Methanol:Water
Quantum efficiency
Pd-Cu alloys
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spelling PdCu deposited alloys on TiO2 for hydrogen photo-productionGómez-Cerezo, María NatividadSayago-Carro, RocíoCortés-Bazo, AlejandroFernández García, MarcosKubacka, AnnaHydrogenPhotocatalysisMethanol:WaterQuantum efficiencyPd-Cu alloysThe role of a Pd-based co-catalyst supported on a high surface area anatase powder is analyzed for the photo-production of hydrogen from methanol:water mixtures. The co-catalyst chemical composition was modified by replacing palladium atoms with copper. The preparation method renders alloyed particles with a primary particle size in the 5–6 nm interval. A Pd:Cu 3:1 ratio promotes strongly the activity of the noble metal. According to the quantum efficiency parameter, the Pd:Cu 3:1 alloy increases by ca. 2 the activity of the monometallic Pd counterpart. The analysis of the photoactivity points out that alloying does not affect positively charge recombination and handling © 2023 The AuthorsAuthors acknowledge the financial support through Grant PID2019- 105490RB-C31 funded by MCIN/AEI/10.13039/501100011033 and, as appropriate, by “ERDF A way of making Europe”, by the “European Union”. N. G.-C. would like to thank MICIN for her post-doctoral JCdF (FJC2019-039969) fellowship. M.F.G. is fully indebted to Prof. F. Fern´andez-Martín for general discussions. A.K. and M.F.G. also would like to thank Prof. D. Tudela for a long-standing collaboration.Data will be made available on request.Peer reviewedElsevier BVMinisterio de Ciencia e Innovación (España)Agencia Estatal de Investigación (España)European CommissionConsejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]202420242023info:eu-repo/semantics/articlehttp://purl.org/coar/resource_type/c_6501Publisher's versioninfo:eu-repo/semantics/publishedVersionhttp://hdl.handle.net/10261/358248https://www.scopus.com/inward/record.uri?eid=2-s2.0-85164684909&doi=10.1016%2fj.cattod.2023.114280&partnerID=40&md5=913206f929ecd74b5f5ef567e8716239reponame:DIGITAL.CSIC. Repositorio Institucional del CSICinstname:Consejo Superior de Investigaciones Científicas (CSIC)InglésCatalysis Todayhttps://doi.org/10.1016/j.cattod.2023.114280Síinfo:eu-repo/semantics/openAccessoai:digital.csic.es:10261/3582482026-05-22T06:33:51Z
dc.title.none.fl_str_mv PdCu deposited alloys on TiO2 for hydrogen photo-production
title PdCu deposited alloys on TiO2 for hydrogen photo-production
spellingShingle PdCu deposited alloys on TiO2 for hydrogen photo-production
Gómez-Cerezo, María Natividad
Hydrogen
Photocatalysis
Methanol:Water
Quantum efficiency
Pd-Cu alloys
title_short PdCu deposited alloys on TiO2 for hydrogen photo-production
title_full PdCu deposited alloys on TiO2 for hydrogen photo-production
title_fullStr PdCu deposited alloys on TiO2 for hydrogen photo-production
title_full_unstemmed PdCu deposited alloys on TiO2 for hydrogen photo-production
title_sort PdCu deposited alloys on TiO2 for hydrogen photo-production
dc.creator.none.fl_str_mv Gómez-Cerezo, María Natividad
Sayago-Carro, Rocío
Cortés-Bazo, Alejandro
Fernández García, Marcos
Kubacka, Anna
author Gómez-Cerezo, María Natividad
author_facet Gómez-Cerezo, María Natividad
Sayago-Carro, Rocío
Cortés-Bazo, Alejandro
Fernández García, Marcos
Kubacka, Anna
author_role author
author2 Sayago-Carro, Rocío
Cortés-Bazo, Alejandro
Fernández García, Marcos
Kubacka, Anna
author2_role author
author
author
author
dc.contributor.none.fl_str_mv Ministerio de Ciencia e Innovación (España)
Agencia Estatal de Investigación (España)
European Commission
Consejo Superior de Investigaciones Científicas [https://ror.org/02gfc7t72]
dc.subject.none.fl_str_mv Hydrogen
Photocatalysis
Methanol:Water
Quantum efficiency
Pd-Cu alloys
topic Hydrogen
Photocatalysis
Methanol:Water
Quantum efficiency
Pd-Cu alloys
description The role of a Pd-based co-catalyst supported on a high surface area anatase powder is analyzed for the photo-production of hydrogen from methanol:water mixtures. The co-catalyst chemical composition was modified by replacing palladium atoms with copper. The preparation method renders alloyed particles with a primary particle size in the 5–6 nm interval. A Pd:Cu 3:1 ratio promotes strongly the activity of the noble metal. According to the quantum efficiency parameter, the Pd:Cu 3:1 alloy increases by ca. 2 the activity of the monometallic Pd counterpart. The analysis of the photoactivity points out that alloying does not affect positively charge recombination and handling © 2023 The Authors
publishDate 2023
dc.date.none.fl_str_mv 2023
2024
2024
dc.type.none.fl_str_mv info:eu-repo/semantics/article
http://purl.org/coar/resource_type/c_6501
Publisher's version
info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.none.fl_str_mv http://hdl.handle.net/10261/358248
https://www.scopus.com/inward/record.uri?eid=2-s2.0-85164684909&doi=10.1016%2fj.cattod.2023.114280&partnerID=40&md5=913206f929ecd74b5f5ef567e8716239
url http://hdl.handle.net/10261/358248
https://www.scopus.com/inward/record.uri?eid=2-s2.0-85164684909&doi=10.1016%2fj.cattod.2023.114280&partnerID=40&md5=913206f929ecd74b5f5ef567e8716239
dc.language.none.fl_str_mv Inglés
language_invalid_str_mv Inglés
dc.relation.none.fl_str_mv Catalysis Today
https://doi.org/10.1016/j.cattod.2023.114280
Sí
dc.rights.none.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.publisher.none.fl_str_mv Elsevier BV
publisher.none.fl_str_mv Elsevier BV
dc.source.none.fl_str_mv reponame:DIGITAL.CSIC. Repositorio Institucional del CSIC
instname:Consejo Superior de Investigaciones Científicas (CSIC)
instname_str Consejo Superior de Investigaciones Científicas (CSIC)
reponame_str DIGITAL.CSIC. Repositorio Institucional del CSIC
collection DIGITAL.CSIC. Repositorio Institucional del CSIC
repository.name.fl_str_mv
repository.mail.fl_str_mv
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