Carbon quantum dots/Cu2O composites with protruding nanostructures and their highly efficient (near) infrared photocatalytic behavior

Haitao Li; Ruihua Liu; Yang Liu; Hui Huang; Hang Yu; Hai Ming; Suoyuan Lian; Shuit-Tong Lee; Zhenhui Kang

doi:10.1039/C2JM32827E

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Carbon quantum dots/Cu₂O composites with protruding nanostructures and their highly efficient (near) infrared photocatalytic behavior†

Haitao Li,^a Ruihua Liu,^a Yang Liu,*^a Hui Huang,^a Hang Yu,^a Hai Ming,^a Suoyuan Lian,^a Shuit-Tong Lee^ab and Zhenhui Kang*^a

Author affiliations

* Corresponding authors

^a Institute of Functional Nano and Soft Materials (FUNSOM) & Jiangsu Key Laboratory for Carbon-Based Functional Materials and Devices, Soochow University, No.199 Ren'ai Road, Suzhou, China
E-mail: zhkang@suda.edu.cn, yangl@suda.edu.cn
Fax: +86-512-65882846
Tel: +86-512-65880957

^b Centre of Super Diamond and Advanced Films, City University of Hong Kong, Hong Kong SAR, China

Abstract

Carbon quantum dots (CQDs)/Cu₂O composite with protruding nanostructures on the surface is prepared by facile one-step ultrasonic treatment. We demonstrate for the first time that this photocatalytic system could harness the (near) infrared light to enhance the photocatalytic activity based on the collective effect of superior light reflecting ability of the Cu₂O protruding nanostructures and the up-converted photoluminescence property of CQDs.

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Article information

DOI: https://doi.org/10.1039/C2JM32827E
Article type: Paper
Submitted: 05 May 2012
Accepted: 26 Jun 2012
First published: 04 Jul 2012

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J. Mater. Chem., 2012,22, 17470-17475

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Carbon quantum dots/Cu₂O composites with protruding nanostructures and their highly efficient (near) infrared photocatalytic behavior

H. Li, R. Liu, Y. Liu, H. Huang, H. Yu, H. Ming, S. Lian, S. Lee and Z. Kang, J. Mater. Chem., 2012, 22, 17470 DOI: 10.1039/C2JM32827E

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Journal of Materials Chemistry