Exceptional catalytic performance of ultrafine Cu2O nanoparticles confined in cubic mesoporous carbon for 4-nitrophenol reduction

Exceptional catalytic performance of ultrafine Cu2O nanoparticles confined in cubic mesoporous... Article history: Different types of Cu-based nanoparticles, namely Cu O, Cu and CuO were homogeneously dispersed Received 28 April 2017 on cubic ordered mesoporous carbon CMK-8 (denoted as Cu O@CMK-8, Cu@CMK-8 and CuO@CMK-8, Received in revised form 4 August 2017 respectively) and their performances for catalytic reduction of 4-nitrophenol (4-NP) were comparatively Accepted 15 August 2017 studied. The average particle size of Cu O, Cu, and CuO nanoparticles confined in CMK-8 were estimated Available online 20 August 2017 to be 4.0, 8.1, and 4.3 nm, respectively. In comparison to Cu@CMK-8 and CuO@CMK-8, the Cu O@CMK-8 −2 −1 nanocomposite exhibits an outstanding rate constant of 2.21 × 10 s and an exceptionally high activity Keywords: −1 −1 parameter of 203 s g when the actual Cu loading is considered. The uniform particle size distribution Cu Ordered mesoporous carbon along with high BET surface area and the ability to generate highly active nascent Cu(0) nanoparticles CMK-8 during the catalytic process activate both the 4-NP and BH to be efficiently adsorbed on the active Copper sites of Cu O@CMK-8. It is found that the catalytic properties of these Cu-based CMK-8 nanocomposites Nanoparticles 2 4-nitrophenol strongly depend on the state of Cu and http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Applied Surface Science Elsevier

Exceptional catalytic performance of ultrafine Cu2O nanoparticles confined in cubic mesoporous carbon for 4-nitrophenol reduction

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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.2017.08.097
Publisher site
See Article on Publisher Site

Abstract

Article history: Different types of Cu-based nanoparticles, namely Cu O, Cu and CuO were homogeneously dispersed Received 28 April 2017 on cubic ordered mesoporous carbon CMK-8 (denoted as Cu O@CMK-8, Cu@CMK-8 and CuO@CMK-8, Received in revised form 4 August 2017 respectively) and their performances for catalytic reduction of 4-nitrophenol (4-NP) were comparatively Accepted 15 August 2017 studied. The average particle size of Cu O, Cu, and CuO nanoparticles confined in CMK-8 were estimated Available online 20 August 2017 to be 4.0, 8.1, and 4.3 nm, respectively. In comparison to Cu@CMK-8 and CuO@CMK-8, the Cu O@CMK-8 −2 −1 nanocomposite exhibits an outstanding rate constant of 2.21 × 10 s and an exceptionally high activity Keywords: −1 −1 parameter of 203 s g when the actual Cu loading is considered. The uniform particle size distribution Cu Ordered mesoporous carbon along with high BET surface area and the ability to generate highly active nascent Cu(0) nanoparticles CMK-8 during the catalytic process activate both the 4-NP and BH to be efficiently adsorbed on the active Copper sites of Cu O@CMK-8. It is found that the catalytic properties of these Cu-based CMK-8 nanocomposites Nanoparticles 2 4-nitrophenol strongly depend on the state of Cu and

Journal

Applied Surface ScienceElsevier

Published: Jan 1, 2018

References

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