Journal
APPLIED SURFACE SCIENCE
Volume 433, Issue -, Pages 388-397Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2017.10.028
Keywords
CdIn2S4; g-C3N4; Reduced graphene oxide; Ternary composite; Photocatalysis; Tetracycline hydrochloride
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Funding
- Natural Science Foundation of Jiangsu Province [BK20140530, BK20150482]
- National Nature Science Foundation of China [21406091, 21576121, 21606111]
- Research Foundation for Talented Scholars of Jiangsu University [15JDG054]
- China Postdoctoral Science Foundation [2015M570409]
- Jiangsu Planned Projects for Postdoctoral Research Funds [1501025A]
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Although RGO shows great advantage in promoting charge separation and transfer of semiconductor , construction of an efficient RGO-incorporated photocatalyst is still challenging. Herein, RGO was employed to construct novel RGO/CdIn2S4/g-C3N4 (donated as RGO/CIS/CN) ternary photocatalyst by a facile hydrothermal method for the degradation of tetracycline hydrochloride (TC). The RGO/CIS/CN ternary photocatalyst showed significantly enhanced photocatalytic activity towards the degradation of TC as compared to the binary CIS/CN, CIS/CN, and CN/RGO. The photoluminescence and photocurrent response results indicate that this enhanced photocatalytic activity can be mainly ascribed to the improved charge separation and transfer efficiency. Based on the radical trapping and electron spin resonance results, the superoxide radicals and holes are proposed to play an important role in the degradation of TC over RGO/CIS/CN ternary photocatalyst. This work paves new opportunities for the synthesis of RGO-incorporated ternary photocatalyst as an efficient photocatalyst for the degradation of organic contaminant. (C) 2017 Elsevier B.V. All rights reserved.
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