In situ fabrication of bismuth oxyiodide (Bi7O9I3/Bi5O7I) n-n heterojunction for enhanced degradation of triclosan (TCS) under simulated solar light irradiation

Chun Chang,Huanchun Yang,Weina Mu,Yanrong Cai,Lixia Wang,Liping Yang,Hongwei Qin

Applied Catalysis B: Environmental（2019）

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摘要

•Bi7O9I3/Bi5O7I n-n heterojunction was constructed by in situ thermal treatment.•Bi7O9I3/Bi5O7I could remove TCS efficiently under simulated solar irradiation.•Superoxide radicals, singlet oxygen, holes, and electron were active species.•Eleven degradation products were identified by HPLS-MS.•Two major reaction pathways were deduced.

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关键词

Bismuth oxyiodide,n-n heterojunction,Triclosan,Degradation mechanism,Reaction pathway

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