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:	https://orca.cardiff.ac.uk/id/eprint/27660

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