Sulfur-vacancy ZnCdS/Bi2WO6 heterojunction

Simultaneous degradation and Cr(VI) reduction

An S-scheme heterojunction photocatalyst that simultaneously removes co-existing antibiotics and Cr(VI) from water under visible light, with wide pH tolerance and robustness to water matrix components.

Wangchao, Su · Lijun, Nie · Xiaobei, Han · Lirong, Ren · Yueyu, Ma · Meichen, Ma · Yinuo, Zhao · Yulong, Li · Shi, Jianhui

Applied Catalysis A: General 2026

Advantages

Excellent CIP degradation over a wide pH range and in complex water matrices containing coexisting ions and microplastics

Pronounced synergistic effect in the CIP/Cr(VI) binary system

Improved stability compared with pristine Vs-ZnCdS

Reduced aquatic toxicity of transformation products and partial mineralization of CIP