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A novel Bi2WO6/DMPBP[5] composite for cyclic adsorption and photocatalytic degradation of organic pollutant in water by Xun Jia; Yalan Zhang; Guizhou Xu; Xueyao Wang; Ying Liang; Aimin Li; Xianchuan Xie; Daishe Wu is a Engineering article available to read on EtoBox.
What is A novel Bi2WO6/DMPBP[5] composite for cyclic adsorption and photocatalytic degradation of organic pollutant in water about?
The typical photocatalyst Bi 2 WO 6 (BWO)has low energy efficiency due to its low specific surface area (SSA) and high photogenerated electron/hole recombination rate. In this study, a three-dimensional spherical BWO/ DMPBP[5] composite was synthesized by loading DMpillar[5]arene-based porous polymer (DMPBP[5]) on BWO through hydrothermal method to correct these deficiencies. Scanning electron microscopy and transmission electron microscopy showed that the modified BWO transformed into three-dimensional spherical composite. Furthermore, BET surface area analysis further proved that compared with the original photocatalyst BWO whose SSA is 19 m 2 ⋅g -1 , the optimized composite BWO-7% exposes more SSA with a value of 134 m 2 ⋅g -1 , endowing it more adsorption and photocatalytic active sites. Results showed that photocatalytic reaction rate constants of BWO-7% increased by more than 10 times, compared with that of BWO. This significant improvement was due to the introduction of DMPBP [5], which could concentrate organic pollutants, thus reduce the distance between contaminants and the active site. More importantly, after DMPBP[5] was loaded, BWO/ W 5 O 14 heterojunction was formed.
Who reads A novel Bi2WO6/DMPBP[5] composite for cyclic adsorption and photocatalytic degradation of organic pollutant in water?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- Xun Jia; Yalan Zhang; Guizhou Xu; Xueyao Wang; Ying Liang; Aimin Li; Xianchuan Xie; Daishe Wu
- Publisher
- Elsevier BV
- Published
- 2023
- Language
- EN
- Field
- Engineering (Physical Sciences)