电化学
材料科学
水溶液中的金属离子
纳米技术
金属
电极
重金属
离子
无机化学
化学工程
环境化学
化学
物理化学
冶金
工程类
有机化学
作者
Meng Yang,Pei‐Hua Li,Shi‐Hua Chen,Xiang‐Yu Xiao,Xianghu Tang,Chuhong Lin,Xing‐Jiu Huang,Wen‐Qing Liu
出处
期刊:Small
[Wiley]
日期:2020-05-13
卷期号:16 (25)
被引量:44
标识
DOI:10.1002/smll.202001035
摘要
Heavy metal ions (HMIs) are one of the major environmental pollution problems currently faced. To monitor and control HMIs, rapid and reliable detection is required. Electrochemical analysis is one of the promising methods for on-site detection and monitoring due to high sensitivity, short response time, etc. Recently, nanometal oxides with special surface physicochemical properties have been widely used as electrode modifiers to enhance sensitivity and selectivity for HMIs detection. In this work, recent advances in the electrochemical detection of HMIs using nanometal oxides, which are attributed to specific crystal facets and phases, surficial defects and vacancies, and oxidation state cycle, are comprehensively summarized and discussed in aspects of synthesis, characterization, electroanalysis application, and mechanism. Moreover, the challenges and opportunities for the development and application of nanometal oxides with functional surface physicochemical properties in electrochemical determination of HMIs are presented.
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