大学化学 >> 2026, Vol. 41 >> Issue (5): 455-468.doi: 10.12461/PKU.DXHX202509102

所属专题： 第5届全国大学生化学实验创新设计大赛

专题 上一篇    

柔性电化学传感器的制备及其在重金属离子现场便携检测中的应用

马俊林, 王恩泽, 吴海霞   

  1. 内蒙古大学化学化工学院, 内蒙古 呼和浩特 010021
  • 收稿日期:2025-09-24 录用日期:2026-01-30 发布日期:2026-05-21
  • 通讯作者: 吴海霞 E-mail:chmwuhx@imu.edu.cn Haixia Wu
  • 基金资助:
    内蒙古自治区自然科学基金(2025QN02006)

Preparation of flexible electrochemical sensors for on-site portable detection of heavy metal ions

Junlin Ma, Enze Wang, Haixia Wu   

  1. College of Chemistry and Chemical Engineering, Inner Mongolia University, Hohhot 010021, Inner Mongolia Autonomous Region, China
  • Received:2025-09-24 Accepted:2026-01-30 Published:2026-05-21
  • Contact: Haixia Wu E-mail:chmwuhx@imu.edu.cn

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摘要： 本实验构建了一种柔性电化学传感器，用于快速、高灵敏检测重金属离子(Hg2+、Cd2+)。采用丝网印刷技术制备柔性电极，通过电聚合与分子脱除策略构建多空腔聚吡咯薄膜，增强离子富集与溶出电流响应。该传感器对Hg2+和Cd2+的检测限分别为0.0089和0.0037 mg·L-1。实验设计融合多学科前沿知识，有助于提升学生对化学研究的兴趣及对环境污染问题的关注。

关键词: 柔性电化学传感器, 方波溶出伏安法, 印刷技术, 重金属离子检测

Abstract: This study developed a flexible electrochemical sensor for rapid and highly sensitive detection of heavy metal ions (Hg2+, Cd2+). The flexible electrodes were fabricated using screen-printing technology, and a porous polypyrrole film was constructed via electropolymerization and molecular removal strategies to enhance ion enrichment and stripping current response. The sensor demonstrated detection limits of 0.0089 mg·L-1 for Hg2+ and 0.0037 mg·L-1 for Cd2+. The experimental design incorporates interdisciplinary cutting-edge knowledge, aiming to foster students’ interest in chemical research and raise awareness of environmental pollution issues.

Key words: Flexible electrochemical sensor, Square wave stripping voltammetry, Printing technology, Heavy metal ions detection