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

Liu, Dong, Fernández, Yolanda, Ola, Oluwafunmilola, Mackintosh, Sarah, Maroto-Valer, Mercedes, Parlett, Christopher Michael A., Lee, Adam Fraser and Wu, Jeffrey C. S. 2012. On the impact of Cu dispersion on CO2 photoreduction over Cu/TiO2. Catalysis Communications 25 (5) , pp. 78-82. 10.1016/j.catcom.2012.03.025

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Abstract

A family of Cu/TiO2 catalysts were 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 (synthesized 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.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Chemistry
Cardiff Catalysis Institute (CCI)
Subjects: Q Science > QD Chemistry
Uncontrolled Keywords: Photocatalysis; Titania; CO2; Copper; Methane
Publisher: Elsevier Science
ISSN: 1566-7367
Last Modified: 19 Mar 2016 22:48
URI: http://orca-mwe.cf.ac.uk/id/eprint/27660

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