On the basis of traditional detection of heavy metals,electrochemical analysis method has incomparable development prospects in the field of detection of heavy metals. The combination of electrochemical sensor and electrochemical analysis technology can provide a new method for the efficient detection of heavy metal ions. In electrochemical sensors,electrode modification is always the focus of attention. Research progress of electrochemical sensors of heavy metal ions modified by metal and metal oxide nanomaterials,carbon nanomaterials and high molecular polymer materials modified electrode is focused on. The design and sensing mechanism of these electrodes are discussed through some representative examples. Finally,the future research direction is summarized and prospected.
关键词
重金属离子/电化学传感器/电极修饰材料/电化学分析
Key words
heavy metal ions/electrochemical sensor/electrode modified material/electrochemical analysis