Controllable incorporation of oxygen in MoS 2 for efficient adsorption of Hg 2+ in aqueous solutions.

Weiquan Zhan,Feifei Jia,Yuan Yuan,Chang Liu,Kaige Sun,Bingqiao Yang,Shaoxian Song

Journal of Hazardous Materials（2020）

引用 68|浏览2

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摘要

•Incorporation of oxygen dramatically improves the adsorption of Hg2+ on MoS2.•Oxygen atom greatly facilitates the hydrated Hg2+ ions to approach to MoS2 surfaces.•Oxygen greatly enhance complexation between sulfur atoms and Hg2+ on MoS2 surfaces.•Increase of adsorption capacity with increasing oxygen atoms will reach a plateau.

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关键词

Oxygen incorporation,MoS2,Hg2+ adsorption,DFT calculations

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