Photocatalytic reduction of CO2 to CO over copper decorated g-C3N4 nanosheets with enhanced yield and selectivity

Photocatalytic reduction of CO2 to CO over copper decorated g-C3N4 nanosheets with enhanced yield... Article history: Photocatalytic reduction of CO to fuel has attracted considerable attention due to the consumption of Received 10 July 2017 fossil fuels and serious environmental problems. Although there are many photocatalysts reported for Received in revised form 18 August 2017 CO reduction, the improvement of activity and selectivity is still in great need of. In this work, a series Accepted 23 August 2017 of Cu nanoparticle decorated g-C N nanosheets with different Cu loadings were fabricated by a facile 3 4 Available online 26 August 2017 secondary calcination and subsequent microwave hydrothermal method. The designed catalysts shown good photocatalytic activity and selectivity for CO reduction to CO. The optimal sample exhibited a 3-fold Keywords: augmentation of the CO yield in comparison with pristine g-C N under visible light. It is revealed that 3 4 Cu decoration with the loading of Cu nanoparticles, the resulting photocatalyst possessed an improved charge carrier g-C N 3 4 transfer and separation efficiency as well as increased surface reactive sites, resulting in a significant Photocatalysis enhancement of CO yield. It is anticipated that the designed Cu/C N photocatalyst may provide new 3 4 CO reduction insights for two dimensional layer materials and non-noble http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Surface Science Elsevier

Photocatalytic reduction of CO2 to CO over copper decorated g-C3N4 nanosheets with enhanced yield and selectivity

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Publisher
Elsevier
Copyright
Copyright © 2017 Elsevier B.V.
ISSN
0169-4332
eISSN
1873-5584
D.O.I.
10.1016/j.apsusc.2017.08.148
Publisher site
See Article on Publisher Site

Abstract

Article history: Photocatalytic reduction of CO to fuel has attracted considerable attention due to the consumption of Received 10 July 2017 fossil fuels and serious environmental problems. Although there are many photocatalysts reported for Received in revised form 18 August 2017 CO reduction, the improvement of activity and selectivity is still in great need of. In this work, a series Accepted 23 August 2017 of Cu nanoparticle decorated g-C N nanosheets with different Cu loadings were fabricated by a facile 3 4 Available online 26 August 2017 secondary calcination and subsequent microwave hydrothermal method. The designed catalysts shown good photocatalytic activity and selectivity for CO reduction to CO. The optimal sample exhibited a 3-fold Keywords: augmentation of the CO yield in comparison with pristine g-C N under visible light. It is revealed that 3 4 Cu decoration with the loading of Cu nanoparticles, the resulting photocatalyst possessed an improved charge carrier g-C N 3 4 transfer and separation efficiency as well as increased surface reactive sites, resulting in a significant Photocatalysis enhancement of CO yield. It is anticipated that the designed Cu/C N photocatalyst may provide new 3 4 CO reduction insights for two dimensional layer materials and non-noble

Journal

Applied Surface ScienceElsevier

Published: Jan 1, 2018

References

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