二维二氧化硅/金球腔微电极阵列的组装及对痕量铅的电化学检测

吉林大学学报(理学版)

二维二氧化硅/金球腔微电极阵列的组装及对痕量铅的电化学检测

苏伟¹, 钟国彬¹, 任建新², 任鉴民², 刘燕², 明海², 郑军伟²

1. 广东电网有限责任公司电力科学研究院, 广州 510080; 2. 苏州大学物理与光电·能源学部, 江苏苏州 215006

收稿日期:2015-11-26 出版日期:2016-11-26 发布日期:2016-11-29
通讯作者: 郑军伟 E-mail:jwzheng@suda.edu.cn

Assembly of TwoDimensional Silica/Gold Spherical CavityMicroelectrode Array and Its Electrochemical Detection of Trace Pb(Ⅱ)

SU Wei¹, ZHONG Guobin¹, REN Jianxin², REN Jianmin², LIU Yan², MING Hai², ZHENG Junwei²

1. Electric Power Research Institute of Guangdong Power Grid Co., Ltd., Guangzhou 510080, China;2. College of Physics, Optoelectronics and Energy, Soochow University, Suzhou 215006, Jiangsu Province, China

Received:2015-11-26 Online:2016-11-26 Published:2016-11-29
Contact: ZHENG Junwei E-mail:jwzheng@suda.edu.cn

摘要/Abstract

摘要： 利用自组装的聚苯乙烯微球单层模板和脉冲电沉积法组装二维二氧化硅/金球腔微电极阵列, 并用方波脉冲伏安法对其性能进行测试. 结果表明, 当Pb(Ⅱ)的质量浓度为0~100 μg/L时, 电极响应与离子质量浓度呈线性关系, 灵敏度为0.070 35 μA·L/μg(S/N=3), 检测极限为0.3 μg/L, 且抗Cu(Ⅱ)的干扰能力较强.

关键词: 电化学检测, 电化学沉积, 痕量铅检测, 微电极阵列

Abstract: Using selfassembly polystyrene microspheres monolayer template and pulse electrodeposition method, we assembled a twodimensional silica/gold spherical cavity microelectrode array, and used square wave pulse voltammetry method to test its performance. The results show that when the mass concentration of Pb(Ⅱ) is 0—100 μg/L, the response of the electrode and the ion mass concentration is linear, the sensitivity of detection is 0.070 35 μA·L/μg (S/N=3), and a limit of detection (LOD) is 0.3 μg/L. The ability of the array to resist interference of Cu(Ⅱ) is stronger.

Key words: detection of trace lead, microelectrode array, electrochemical detection, electrochemical deposition

中图分类号:

TB383

苏伟, 钟国彬, 任建新, 任鉴民, 刘燕, 明海, 郑军伟. 二维二氧化硅/金球腔微电极阵列的组装及对痕量铅的电化学检测[J]. 吉林大学学报(理学版), 2016, 54(06): 1422-1428.

SU Wei, ZHONG Guobin, REN Jianxin, REN Jianmin, LIU Yan, MING Hai, ZHENG Junwei. Assembly of TwoDimensional Silica/Gold Spherical CavityMicroelectrode Array and Its Electrochemical Detection of Trace Pb(Ⅱ)[J]. Journal of Jilin University Science Edition, 2016, 54(06): 1422-1428.

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