期刊
CERAMICS INTERNATIONAL
卷 47, 期 18, 页码 25337-25342出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.ceramint.2021.05.255
关键词
Cr (VI) reduction; Photocatalysis; ZnIn2S4; TiO2
资金
- Yong fund of Shanxi Natural Science Foundation of China [201701D221283]
- University Science and Technology Innovation of Shanxi Education Department [2019L0985]
- Science and Technology Project of Yangquan [2019G30]
- Local science and technology development fund projects guided by the central government [206Z1402G]
- Key projects of science and technology research in Hebei higher education institutions [ZD2018311, ZD2020417]
- Xingtai science and technology program [2018ZC031, 2018ZC227, 2019ZZ023, 2019ZX07]
ZnIn2S4/TiO2 photocatalyst prepared by hydrothermal method showed excellent reduction performance and stability under visible light, with a reduction rate of Cr (VI) reaching 99% in 60 minutes and maintaining performance after 5 recycling experiments.
ZnIn2S4/TiO2 photocatalyst was obtained by a facile hydrothermal method. Various techniques were used to characterize the ZnIn2S4/TiO2, crystal structure and optical properties of ZnIn2S4/TiO2. Cr (VI) as highly-toxic pollutant was used as the target reduction product to evaluate the catalytic performance of ZnIn2S4/TiO2 under visible light irradiation. According to the experiment results, the reduction rate of Cr(VI) in the presence of ZnIn2S4/TiO2 reaches 99% within 60 min, which is much better than ZnIn2S4 and TiO2, respectively. At the same time, ZnIn2S4/TiO2 also performs good stability for reduction rate hardly changes after 5 recycling experiments.
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