[1]孙兆辉,连惠婷,孙向英,等.石墨烯掺杂对分子印迹电化学传感器的增敏作用[J].华侨大学学报(自然科学版),2012,33(4):401-407.[doi:10.11830/ISSN.1000-5013.2012.04.0401]
 SUN Zhao-hui,LIAN Hui-ting,SUN Xiang-ying,et al.Sensitivity Enhancement of Graphene Doped Molecular Imprinting Electrochemical Sensors[J].Journal of Huaqiao University(Natural Science),2012,33(4):401-407.[doi:10.11830/ISSN.1000-5013.2012.04.0401]
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石墨烯掺杂对分子印迹电化学传感器的增敏作用()
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《华侨大学学报(自然科学版)》[ISSN:1000-5013/CN:35-1079/N]

卷:
第33卷
期数:
2012年第4期
页码:
401-407
栏目:
出版日期:
2012-07-20

文章信息/Info

Title:
Sensitivity Enhancement of Graphene Doped Molecular Imprinting Electrochemical Sensors
文章编号:
1000-5013(2012)04-0401-07
作者:
孙兆辉 连惠婷 孙向英 刘斌
华侨大学 材料科学与工程学院, 福建 厦门 361021
Author(s):
SUN Zhao-hui LIAN Hui-ting SUN Xiang-ying LIU Bin
College of Material Science and Engineering, Huaqiao University, Xiamen 361021, China
关键词:
石墨烯 分子印迹 电化学传感器 尿酸 增敏
Keywords:
graphene molecular imprinted electrochemical sensor uric acid sensitivity enhancement
分类号:
O631;TP212.2
DOI:
10.11830/ISSN.1000-5013.2012.04.0401
文献标志码:
A
摘要:
分别以掺杂氧化石墨烯和石墨烯的壳聚糖为功能基体,尿酸为模板分子,采用恒电位技术于玻碳电极表面制备氧化石墨烯-壳聚糖和石墨烯-壳聚糖的分子印迹电化学传感器.同时,利用电化学与波谱技术研究了不同石墨烯掺杂对制备出的传感器灵敏度的影响.表征结果表明:石墨烯的sp2共轭结构的完整性及其在界面的存在形态是导致不同电化学增敏效果的原因.
Abstract:
Graphene oxide-chitosan/molecular imprinting polymers(MIPs)and graphene-chitosan/MIPs sensors were prepared on the surface of glass carbon electrodes by using chitosan doped with graphene oxide and graphene as a functional matrix, uric acid as the template molecule. The effects of graphene on the sensitivity of the developed sensors were investigated via electrochemical and spectroscopic techniques. The obtained results show that sp2 conjugated structure of graphene and the forms of its interface play important roles in the sensitivity enhancement.

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备注/Memo

备注/Memo:
收稿日期: 2012-04-09
通信作者: 刘斌(1963-),男,教授,主要从事电化学传感器的研究.E-mail:bliu@hqu.edu.cn.
基金项目: 国家自然科学基金资助项目(20955001, 21175049); 福建省自然科学基金计划资助项目(2011J01049, D0810016); 中央高校基本科研业务费专项资金资助,华侨大学“侨办”科研基金项目(10QZR13)
更新日期/Last Update: 2012-07-20