Photodeposition as a facile route to tunable Pt photocatalysts for hydrogen production:on the role of methanol


Photodeposition of H2PtCl6 in the presence of methanol promotes the formation of highly dispersed, metallic Pt nanoparticles over titania, likely via capture of photogenerated holes by the alcohol to produce an excess of surface electrons for substrate-mediated transfer to Pt complexes, resulting in a high density of surface nucleation sites for Pt reduction. Photocatalytic hydrogen production from water is proportional to the surface density of Pt metal co-catalyst, and hence photodeposition in the presence of high methanol concentrations affords a facile route to optimising photocatalyst design and highlights the importance of tuning co-catalyst properties in photocatalysis.

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Divisions: College of Engineering & Physical Sciences > School of Infrastructure and Sustainable Engineering > Chemical Engineering & Applied Chemistry
College of Engineering & Physical Sciences
College of Engineering & Physical Sciences > Energy and Bioproducts Research Institute (EBRI)
Additional Information: This article is licensed under a Creative Commons Attribution 3.0 Unported Licence. Funding: Shanghai Natural Science Foundation (14ZR1421900); National Science Foundation of China (50906050); EU Marie-Curie IRSES EU-China Cooperation for Liquid Fuels from Biomass Pyrolysis (FP7-PEOPLE-2009-IRSES Grant 246772); and EPSRC (EP/K021796/1, EP/K029525/2 and EP/G007594/4 and a Leadership Fellowship). Electronic supplementary information (ESI) available: Details of experimental, data of XRD, XPS, TEM, XAFS. See DOI: 10.1039/c5cy01364
Uncontrolled Keywords: Catalysis
Publication ISSN: 2044-4761
Last Modified: 10 Jun 2024 07:15
Date Deposited: 28 Jan 2016 10:25
Full Text Link: http://pubs.rsc ... 4J#!divAbstract
Related URLs: http://www.scop ... tnerID=8YFLogxK (Scopus URL)
PURE Output Type: Article
Published Date: 2016-01-07
Published Online Date: 2015-11-12
Accepted Date: 2015-11-09
Submitted Date: 2015-08-19
Authors: Jiang, Zhi
Zhang, ZheYu
Shangguan, Wenfeng
Isaacs, Mark A.
Durndell, Lee J.
Parlett, Christopher M.A. (ORCID Profile 0000-0002-3651-7314)
Lee, Adam F. (ORCID Profile 0000-0002-2153-1391)



Version: Published Version

License: Creative Commons Attribution

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