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化学进展 DOI: 10.7536/PC230913   

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MOFs基光电化学传感界面及其应用

周存银1, 黄娟1, 王琼1,2,*, 唐浩2, 胡云楚1, 王文磊1   

  1. 1.中南林业科技大学理学院 长沙 410004;
    2.湖南师范大学化学化工学院化学生物学及中药分析教育部重点实验室 长沙 410081
  • 收稿日期:2023-09-26 修回日期:2024-02-28
  • 基金资助:
    国家自然科学基金(41977129)、湖南省自然科学基金(2022JJ90020); 湖南省教育厅青年项目(22B0246)

MOFs based photoelectrochemical sensing interface and its applications

Cunyin Zhou1, Juan Huang1, Qiong Wang1,2,*, Hao Tang2, Yunchu Hu1, Wenlei Wang1   

  1. 1. College of Science, Central South University of Forestry and Technology, Changsha 410004, China;
    2. Key Laboratory of Chemical Biology and Traditional Chinese Medicine Research (Ministry of Education), College of Chemistry and Chemical Engineering, Hunan Normal University, Changsha 410081, China
  • Received:2023-09-26 Revised:2024-02-28
  • Contact: *e-mail: wangqiong@csuft.edu.cn
  • Supported by:
    National Natural Science Foundation of China under grants (41977129), Hunan Provincial Natural Science Foundation of China (2022JJ90020), Excellent Youth Funding of Hunan Provincial Education Department of China (22B0246).
光电化学传感分析是近年来迅速发展的一种新型分析技术,光电化学传感界面中的光电活性材料是光电化学传感检测的关键。金属有机框架(MOFs)及其衍生物可能是分散光电活性物质构建光电化学传感界面的理想载体。因MOFs材料中有机配体的“天线效应”,金属簇可看作被活化的分立的半导体量子点,使其具有与半导体类似的光电特性。对MOFs材料进行碳基化合物、有机聚合物、贵金属纳米粒子、无机氧化物、量子点修饰,构建MOFs基光电化学传感界面,可以提高MOFs的导电性,促进光生电子-空穴的分离,从而提高光电转换效率。利用MOFs基光电化学传感界面对光电化学传感产生信号放大的作用,可实现对目标物的超灵敏检测。基于此,本文对MOFs基材料光电活性机理、合成方法及光电活性界面构建策略进行了详细的介绍,全面综述了近年来MOFs基材料在小分子化合物、免疫分析、酶活性及环境分析等光电化学传感检测中的应用,并对其发展前景进行了展望。
Photoelectrochemical sensing analysis is a rapidly developing new analytical technology in recent years, and the photoelectric active materials are the key to photoelectrochemical sensing detection. Metal-organic frameworks (MOFs) and their derivatives may be ideal carriers for the construction of photoelectrochemical sensing interfaces by dispersing photoelectrically active substances. Due to the "antenna effect" of organic ligands in MOFs, the metal clusters can be regarded as activated discrete semiconductor quantum dots, giving them photoelectric properties similar to those of semiconductors. The modification of MOFs materials with carbon-based compounds, organic polymers, noble metal nanoparticles, inorganic oxides, quantum dots, and the construction of MOFs-based photoelectrochemical sensing interfaces, can improve the electrical conductivity of MOFs, promote the separation of photogenerated electrons - holes, and thus improve the photoelectric conversion efficiency. The MOFs based photoelectrochemical sensing interfaces amplify the signal generated by photoelectrochemical sensing, enabling ultra sensitive detection of the target object. Based on these, this paper provides a detailed introduction to the photoelectric activity mechanism, synthesis methods, and strategies for constructing photoelectric activity interfaces of MOFs based materials. The applications of MOFs based materials in photoelectrochemical sensing detection of small molecule compounds, immunoassay, enzyme activity and environmental analysis in recent years are comprehensively reviewed. Finally, current challenges and future perspectives in this field are also proposed.

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摘要

MOFs基光电化学传感界面及其应用