Oxygen-vacancy-rich phenanthroline/TiO2 nanocomposites: An integrated adsorption, detection and photocatalytic material for complex pollutants remediation

作者：Chen, Pinghua; Zheng, Huitao; Jiang, Hualin^*; Liu, Jun; Tu, Xinman; Zhang, Weibo; Phillips, Bailey; Fang, Lei^*; Jian-Ping Zou^*

来源：CHINESE CHEMICAL LETTERS, 2022, 33(2): 907-911.

DOI：10.1016/j.cclet.2021.07.002

• Heavy metals
• Organic contaminants
• Adsorption
• Detection
• Photocatalytic degradation
• Oxygen vacancy

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.

• 单位
  南昌航空大学; 南昌大学