基于碳纳米管的镍钼硫化物纳米花的铜离子传感器的构建  

Nickel molybdenum sulfide supported on carbon nanotubes-based electrochemical sensor for ultrasensitive determination of Cu^(2+)

作　　者：李燕[1] 朱长慧 李志英[1] 代玉雪 马洪敏[1] Li Yan;Zhu Chang-hui;Li Zhi-ying;Dai Yu-xue;Ma Hong-min(School of chemistry and chemical engineering,University of Jinan,Shandong Jinan 250022,China;College of Resources and Environmental Engineering,Shandong Agriculture and Engineering University,Shangdong Jinan 250100,China;Xinyi Shiji Secondary School,Jiangsu Xuzhou 221418,China)

机构地区：[1]济南大学化学化工学院,山东济南250022 [2]山东农业工程学院资源与环境工程学院,山东济南250100 [3]新沂市时集中学,江苏徐州221418

出　　处：《化学传感器》2022年第3期56-60,共5页Chemical Sensors

基　　金：山东省高等学校科学技术计划项目(2020KJC008)。

摘　　要：制备了一种碳纳米管(CNT)负载的三维多孔镍钼硫化物纳米花状复合材料(NiMoS@CNT)。通过扫描电子显微镜和X射线衍射表征所合成材料的形貌和结构。利用合成的材料构建了可以用来检测铜离子的电化学传感器。对其最佳检测条件进行了优化,在最佳条件下,电流响应强度和铜离子浓度在10 ng/L-1.2μg/L的范围内呈线性关系。该电化学传感器具有高的灵敏度、选择性和稳定性,可用于实际样品中检测。A three-dimensional nickel molybdenum sulfide supported on carbon nanotubes nanoflower composite(NiMoS@CNT)was prepared.Scanning electron microscopy and X-ray diffraction were applied to study the morphology and structure of the synthesized material.NiMoS@CNT was applied to construct an electrochemical sensor for detecting Cu2+.Under optimal conditions,the prepared electrochemical sensor showed wide linear range from 10 ng/L to 1.2μg/L with high accuracy and sensitivity.This sensor has high sensitivity,selectivity,and stability.In addition,the prepared sensor can be used for the detection of Cu^(2+)in actual samples.

关 键 词：电化学传感器 铜离子 碳纳米管 镍钼硫化物 

分 类 号：TB383.1[一般工业技术—材料科学与工程] TP212[自动化与计算机技术—检测技术与自动化装置]