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Monoclinic dibismuth tetraoxide (m-Bi2O4) for piezocatalysis: new use for neglected materials
Fengling Liu1, Haoxuan Chen, Chenmin Xu
1Jiangsu Key Laboratory of Atmospheric Environment Monitoring and Pollution Control (AEMPC), Collaborative Innovation Center of Atmospheric Environment and Equipment Technology (CIC-AEET), School of Environmental Science and Engineering, Nanjing University of Information Science and Technology, Nanjing 210044, China. pxqiu@nuist.edu.cn guocumt@nuist.edu.cn.
Abstract:
Piezocatalysis is a promising approach for environmental pollutant removal. Monoclinic dibismuth tetraoxide (m-Bi2O4) was first applied to piezocatalyze organics under ultrasonic vibration. The built-in electric field with ultrasonic stress drives the separation of holes and electrons in m-Bi2O4. Its excellent piezocatalytic activity, reusability and chemical stability make m-Bi2O4 a new candidate of piezocatalysis.
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