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

Zhi Jiang, ZheYu Zhang, Wenfeng Shangguan*, Mark A. Isaacs, Lee J. Durndell, Christopher M.A. Parlett, Adam F. Lee

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review


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.

Original languageEnglish
Pages (from-to)81-88
Number of pages8
JournalCatalysis Science and Technology
Issue number1
Early online date12 Nov 2015
Publication statusPublished - 7 Jan 2016

Bibliographical note

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


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