Ag nanoparticles decorated Z-scheme CoAl-LDH/TiO2 heterojunction photocatalyst for expeditious levofloxacin degradation and Cr(VI) reduction

Chunsheng Ding,Jun Guo,Wei Gan,Peng Chen,Ziliang Li,Zhuangzhuang Yin,Shihan Qi,Shangkun Deng,Miao Zhang,Zhaoqi Sun

Separation and Purification Technology（2022）

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摘要

•Internal electric field dominated Z-scheme mechanism was described in detail.•LXFX and Cr(VI) were efficiently removed by Ag-CoAl-LDH/TiO2 under visible light.•Deposition of Ag could enhance visible light absorption and accelerate the transfer of photogenerated charge carriers.•A reliable mechanism for Ag-CoAl-LDH/TiO2 degradation of LVFX and Cr(VI) reduction was proposed.

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关键词

Z-scheme heterojunction,Internal electric field,Levofloxacin,Ag nanoparticles

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