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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