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A large scale of CuS nano-networks: Catalyst-free morphologically controllable growth and their application as efficient photocatalysts

Published online by Cambridge University Press:  22 December 2015

Jingwen Qian
Affiliation:
School of Engineering and Technology, China University of Geosciences, Beijing 100083, People's Republic of China; and State Key Laboratory of Information Photonics and Optical Communications, and School of Science, Beijing University of Posts and Telecommunications, Beijing 100876, People's Republic of China
Zengying Zhao
Affiliation:
School of Science, China University of Geosciences, Beijing 100083, People's Republic of China
Zhenguang Shen
Affiliation:
School of Engineering and Technology, China University of Geosciences, Beijing 100083, People's Republic of China; and State Key Laboratory of Information Photonics and Optical Communications, and School of Science, Beijing University of Posts and Telecommunications, Beijing 100876, People's Republic of China
Guoliang Zhang
Affiliation:
School of Engineering and Technology, China University of Geosciences, Beijing 100083, People's Republic of China
Zhijian Peng*
Affiliation:
School of Engineering and Technology, China University of Geosciences, Beijing 100083, People's Republic of China
Xiuli Fu*
Affiliation:
State Key Laboratory of Information Photonics and Optical Communications, and School of Science, Beijing University of Posts and Telecommunications, Beijing 100876, People's Republic of China
*
a) Address all correspondence to these authors. e-mail: [email protected]
b) e-mail: [email protected]
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Abstract

Morphologically controllable copper sulfide (CuS) nanoneedle, nanowall, and nanosheet networks on copper substrates have been fabricated by a simple, facile, and fast method based on low-temperature chemical vapor deposition through simply adjusting the reaction conditions such as the temperature and flow rate of argon gas. The compositional and structural analyses indicated that all the obtained nano-networks were single-crystalline. And their growths were possibly controlled by a solid–liquid–solid mechanism. The photocatalytic activities of the different shaped CuS nanostructures have been evaluated by their photodegradation on rhodamine B and methylene blue in aqueous phase, which revealed that in both cases the CuS nanoneedles nano-network exhibited better performance than the other two nanostructures.

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Articles
Copyright
Copyright © Materials Research Society 2015 

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Footnotes

Contributing Editor: Xiaobo Chen

References

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