Citation: Baibai Liu, Xinjuan Liu, Lei Li, Jianwei Li, Can Li, Yinyan Gong, Lengyuan Niu, Xinsheng Zhao, Chang Q. Sun. ZnIn₂S₄ flowerlike microspheres embedded with carbon quantum dots for efficient photocatalytic reduction of Cr(VI)[J]. Chinese Journal of Catalysis, ;2018, 39(12): 1901-1909. doi: 10.1016/S1872-2067(18)63137-7 shu

ZnIn₂S₄ flowerlike microspheres embedded with carbon quantum dots for efficient photocatalytic reduction of Cr(VI)

a Institute of Coordination Bond Metrology and Engineering(CBME), College of Materials Science and Engineering, China Jiliang University, Hangzhou 310018, Zhejiang, China;
b Chongqing Key Laboratory of Extraordinary Coordination Bond and Advanced Materials Techniques(EBEAM), Yangtze Normal University, Chongqing 408100, China;
c School of Physics and Electronic Engineering, Jiangsu Normal University, Xuzhou 221116, Jiangsu, China;
d School of Electrical and Electronic Engineering, Nanyang Technological University, Singapore 639798, Singapore

Received Date: 7 May 2018
Revised Date: 7 July 2018

Fund Project: This work was supported by the National Natural Science Foundation of China (21401180, 21776119), Province Natural Science Foundation of Zhejiang (LY18E060005, LY18E020007 and LQ18E030005), and Foundation of Xuzhou City (KC16SG25).

Development of efficient heterostructured photocatalysts that respond to visible light remains a considerable challenge. We herein show the synthesis of ZnIn₂S₄/carbon quantum dot hybrid photocatalysts with flowerlike microspheres via a facile solvothermal method. The ZnIn₂S₄/carbon quantum dot flowerlike microspheres display enhanced photocatalytic and photoelectrochemical activity compared with that of pure ZnIn₂S₄. With a content of only 0.5 wt% carbon quantum dots, 93% of Cr(VI) is reduced under visible-light irradiation at 40 min. As a co-catalyst, the carbon quantum dots improve the light absorption and lengthen the lifetime of charge carriers, consequently enhancing the photocatalytic and photoelectrochemical activity.
- ZnIn₂S₄,
- Carbon quantum dots,
- Flowerlike microspheres,
- Co-catalyst,
- Photoelectronchemical
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ZnIn2S4 flowerlike microspheres embedded with carbon quantum dots for efficient photocatalytic reduction of Cr(VI)

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通讯作者: 陈斌, bchen63@163.com

ZnIn₂S₄ flowerlike microspheres embedded with carbon quantum dots for efficient photocatalytic reduction of Cr(VI)