Citation: Yun Liu, Yanyan Mao, Xiaoxiao Tang, Yin Xu, Chengcheng Li, Feng Li. Synthesis of Ag/AgCl/Fe-S plasmonic catalyst for bisphenol A degradation in heterogeneous photo-Fenton system under visible light irradiation[J]. Chinese Journal of Catalysis, ;2017, 38(10): 1726-1735. doi: 10.1016/S1872-2067(17)62902-4 shu

Synthesis of Ag/AgCl/Fe-S plasmonic catalyst for bisphenol A degradation in heterogeneous photo-Fenton system under visible light irradiation

Department of Environmental Science and Engineering, College of Environment and Resources, Xiangtan University, Xiangtan 411105, Hunan, China

Received Date: 18 May 2017
Revised Date: 5 August 2017

Fund Project: This work was supported by the National Natural Science Foundation of China (41573118), Research Foundation of Education Bureau of Hunan Province, China (14B177), and Special Project of Xiangtan University.

A novel plasmonic photo-Fenton catalyst of Ag/AgCl/Fe-S was synthesized by ion exchange and photoreduction methods. The obtained catalyst was characterized by X-ray diffraction, X-ray photoelectron spectroscopy, scanning electron microscope imaging, and Brunauer-Emmett-Teller measurements. Moreover, the photocatalytic activity of Ag/AgCl/Fe-S was investigated for its degradation activity towards bisphenol A (BPA) as target pollutant under visible light irradiation. The effects of H₂O₂ concentration, pH value, illumination intensity, and catalyst dosage on BPA degradation were examined. Our results indicated that the Ag/AgCl material was successfully loaded onto Fe-sepiolite and showed a high photocatalytic activity under illumination by visible light. Furthermore, active species capture experiments were performed to explore the photocatalytic mechanism of the Ag/AgCl/Fe-S in this heterogeneous photo-Fenton process, where the major active species included hydroxyl radicals (^·OH) and holes (h⁺).
- Visible light,
- Photo-Fenton,
- Plasmonic catalyst,
- Ag/AgCl/Fe-S,
- Sepiolite
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