化工进展 ›› 2019, Vol. 38 ›› Issue (04): 1794-1803.DOI: 10.16085/j.issn.1000-6613.2018-1125

• 材料科学与技术 • 上一篇    下一篇

金属离子印迹电化学传感器研究进展

冯明1,2(),方莉1,2(),郭彦霞2,程芳琴2   

  1. 1. 山西大学化学化工学院,山西 太原 030006
    2. 山西低附加值煤基资源高值利用协同创新中心,山西大学资源与环境工程研究所,山西 太原 030006
  • 收稿日期:2018-05-30 修回日期:2018-10-01 出版日期:2019-04-05 发布日期:2019-04-05
  • 通讯作者: 方莉
  • 作者简介:<named-content content-type="corresp-name">冯明</named-content>(1993—),男,硕士研究生,研究方向为煤基固废综合利用。E-mail:<email>863414516@qq.com</email>。|方莉,教授,博士生导师,研究方向为煤基固废综合利用。E-mail:<email>fangli@sxu.edu.cn</email>。
  • 基金资助:
    国家重点研发计划(2017YFB0603101);山西省煤基低碳科技重大专项(MC2016-05)

A review of metal ion imprinted electrochemical sensors

Ming FENG1,2(),Li FANG1,2(),Yanxia GUO2,Fangqin CHENG2   

  1. 1. School of Chemistry and Chemical Engineering, Shanxi University, Taiyuan 030006, Shanxi, China
    2. State Environmental Protection Key Laboratory on Efficient Resource-utilization Techniques of Coal Waste, Institute of Resources and Environment Engineering, Shanxi University, Taiyuan 030006, Shanxi, China
  • Received:2018-05-30 Revised:2018-10-01 Online:2019-04-05 Published:2019-04-05
  • Contact: Li FANG

摘要:

离子印迹技术与电化学检测相结合制备的离子印迹电化学传感器(ion imprinted electrochemical sensor, IIES)可以有效检测水溶液中的痕量金属离子,因此在重金属和放射性元素的检测及贵金属回收等领域有着广泛的应用前景。基于此,本文以元素周期表中的过渡元素、主族元素、稀土/锕系元素等为IIES的分类标准,介绍了IIES的构建方法及其在不同金属离子检测中应用的最新研究进展,对不同方法构建的IIES的灵敏度、选择性、检测范围和稳定性等进行了评述,指出目前研究中存在制备方法不成熟、体系要求严苛等问题,提出现阶段IIES面临的挑战、可能的解决策略和未来发展趋势,尤其需加强在稀土金属及难印迹金属如锂等元素的IIES构建及应用、功能单体开发、交联剂筛选和制备技术等方面的研究。

关键词: 金属离子, 印迹材料, 聚合物, 电化学, 传感器, 选择性, 稳定性

Abstract:

Ion imprinted electrochemical sensor (IIES), a combination of ion imprinting technology and electrochemical detection, can be used for efficient detection of trace water-soluble metal ions. IIES shows a good application prospect in determination of heavy metals and radioactive elements, and in recovery of precious metals. In an effort to stimulate further work on the IIES, we introduce the preparation methods of IIES and the latest research advances of different metal ion sensors, and review the properties of different IIES, including sensibility, selectivity, detection range and stability based on the transition elements, main group elements, and rare earth/actinide elements in the periodic table. It is pointed out that there are still some problems in current research such as immature preparation methods and strict system requirements. The challenges, possible solutions and future trends in IIES developments are provided as well. In particular, more attention should be placed in the IIES construction from rare earth elements and alkali metals such as lithium, in addition to the development of functional monomers, screening of cross-linking agents and new preparation techniques.

Key words: metal ions, imprinted materials, polymers, electrochemistry, sensor, selectivity, stability

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