Designing advanced S-scheme CdS QDs/La-Bi₂WO₆ photocatalysts for efficient degradation of RhB.

ABSTRACT: Finding effective strategies to design efficient photocatalysts and decompose refractory organic compounds in wastewater is a challenging problem. Herein, by coupling element doping and constructing heterostructures, S-scheme CdS QDs/La-Bi₂WO₆ (CS/LBWO) photocatalysts are designed and synthesized by a simple hydrothermal method. As a result, the RhB degradation efficiency of the optimized 5% CS/LBWO reached 99% within 70 min of illumination with excellent stability and recyclability. CS/LBWO shows improvement in the adsorption range of visible light and promotes electron-hole pair generation/migration/separation, attributing the superior degradation performance. The degradation RhB mechanism is proposed by a free radical capture experiment, electron paramagnetic reson

SUBMITTER: Ning J 

PROVIDER: S-EPMC10582608 | biostudies-literature | 2023 Oct

REPOSITORIES: biostudies-literature