Oxygen-vacancy-rich phenanthroline/TiO2 nanocomposites: An integrated adsorption,detection and photocatalytic material for complex pollutants remediation |
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| Authors: | Pinghua Chen Huitao Zheng Hualin Jiang Jun Liu Xinman Tu Weibo Zhang Bailey Phillips Lei Fang Jian-Ping Zou |
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| Institution: | 1. Key Laboratory of Jiangxi Province for Persistent Pollutants Control and Resources Recycle, Nanchang Hangkong University, Nanchang 330063, China;2. Department of Applied Chemistry, College of Environmental and Chemical Engineering, Nanchang Hangkong University, Nanchang 330063, China;3. Department of Chemistry, Texas A&M University, College Station, Texas 77843, United States;4. School of Resources, Environmental and Chemical Engineering, Nanchang University, Nanchang 330031, China |
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| Abstract: | To address the challenge of treating complex pollutants containing heavy metals and organic compounds, a phenanthroline/TiO2 nanocomposite with rich oxygen vacancy defects was synthesized to integrate the functions of pollutant detection, adsorption, and photocatalytic degradation. The results showed that the nanocomposite could adsorb Cr3+ and the process could be transduced into a colorimetric signal for qualitative and quantitative detection. The adsorbed heavy metal also exhibited a synergistically enhanced photocatalytic degradation of a model organic pollutant under visible light. The simultaneous adsorption, detection, and photocatalysis could reduce the multifarious operations and high cost of traditional environmental remediation methods, indicating a strong application potential for the nanocomposite. |
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