On the impact of Cu dispersion on CO2 photoreduction over Cu/TiO2

Dong Liu, Yolanda Fernández, Oluwafunmilola Ola, Sarah Mackintosh, Mercedes Maroto-Valer, Christopher M.A. Parlett, Adam F. Lee, Jeffrey C.S. Wu

Research output: Contribution to journalArticlepeer-review

Abstract

A family of Cu/TiO2 catalysts was prepared using a refined sol–gel method, and tested in the photocatalytic reduction of CO2 by H2O to CH4 using a stirred batch, annular reactor. The resulting photoactivity was benchmarked against pure TiO2 nanoparticles (synthesised by an identical sol–gel route). CO2 photoreduction exhibited a strong volcano dependence on Cu loading, reflecting the transition from 2-dimensional CuOx nanostructures to 3-dimensional crystallites, with optimum CH4 production observed for 0.03 wt.% Cu/TiO2.
Original languageEnglish
Pages (from-to)78-82
Number of pages5
JournalCatalysis Communications
Volume25
Early online date27 Mar 2012
DOIs
Publication statusPublished - 5 Aug 2012

Bibliographical note

© 2012 Elsevier B.V. Open Access under CC-BY license.

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