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Published in: Journal of Materials Science 21/2018

13-07-2018 | Chemical routes to materials

A facile fabrication of nanoflower-like Co3O4 catalysts derived from ZIF-67 and their catalytic performance for CO oxidation

Authors: Ning Liu, Pin Tao, Chuwen Jing, Wenyuan Huang, Xiaodong Zhang, Minghong Wu, Jianqiu Lei, Liang Tang

Published in: Journal of Materials Science | Issue 21/2018

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Abstract

Herein, we reported a facile method for fabricating nanoflower-like Co3O4 catalysts via calcination treatment based on ZIF-67. The catalytic performances of the obtained Co3O4 catalysts were evaluated for the model reaction of CO oxidation. The results demonstrated that calcination temperature had a strong effect on the structure and catalytic reaction activity of Co3O4 catalyst. Co3O4 catalyst prepared at 400 °C (Co3O4-400) exhibited the optimum catalytic activity with a complete CO conversion temperature of 105 °C. This phenomenon was ascribed to the higher specific surface areas, smaller particle size, unique structure, good low-temperature reduction and higher abundances of surface Co2+ and adsorbed oxygen species. The addition of 1.0% water vapor had a negative effect on CO oxidation and the prepared Co3O4-400 catalyst presented long-term stability.

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Appendix
Available only for authorised users
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Metadata
Title
A facile fabrication of nanoflower-like Co3O4 catalysts derived from ZIF-67 and their catalytic performance for CO oxidation
Authors
Ning Liu
Pin Tao
Chuwen Jing
Wenyuan Huang
Xiaodong Zhang
Minghong Wu
Jianqiu Lei
Liang Tang
Publication date
13-07-2018
Publisher
Springer US
Published in
Journal of Materials Science / Issue 21/2018
Print ISSN: 0022-2461
Electronic ISSN: 1573-4803
DOI
https://doi.org/10.1007/s10853-018-2696-3

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