Abstract The ZnIn-layered double hydroxides (ZnIn-LDHs) were synthesized by microwave hydrothermal method and used as the precursors to prepare the ZnIn-layered double oxides (ZnIn-LDOs) by the controllable calcination. The ZnIn-LDOs were aggregated by porous sheet materials, and the particle size was about 50 nm. The photocatalytic studies showed that the optimum molar ratio of Zn2+/ In3+ was 3:1 and the optimum calcination temperature was 600 °C. The photocatalytic degradation of MB by the as-prepared ZnIn-LDOs photocatalysts reached an efficiency of 98 % after irradiation under the simulated sunlight for 120 min. Radial trapping experimental results indicated that the main reactive specie for MB removal in the degradation processes was h+.
Microwave hydrothermal synthesized ZnIn-layered double hydroxides derived ZnIn-layered double oxides for enhanced methylene blue photodegradation
Xiaoxiao Liu,Qian Shao,Yufei Zhang,Xiaojing Wang,Jing Lin,Yuanfa Gan,Mengyao Dong,Zhanhu Guo
Published 2020 in Colloids and Surfaces A: Physicochemical and Engineering Aspects
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2020
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Colloids and Surfaces A: Physicochemical and Engineering Aspects
- Publication date
2020-05-05
- Fields of study
Materials Science, Chemistry, Environmental Science
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