基于巯基功能化聚(3,4-乙撑二氧噻吩)/Au纳米复合材料的合成及其在葡萄糖检测中的应用
Synthesis of Thiol Functionalized Poly(3,4-Ethyldioxythiophene)/Au Nanocomposites and Its Application in Glucose Detection
DOI: 10.12677/MS.2019.96075, PDF,    国家自然科学基金支持
作者: 吐尔孙尼萨汗•白克热*：新疆大学化学化工学院，石油天然气教育部重点实验室，新疆 乌鲁木齐；吐尔逊•阿不都热依木：新疆大学，功能高分子重点实验室，新疆 乌鲁木齐
关键词: Poly(EDOT-MeSH)；悬浮聚合；硫醇；Au NPs；葡萄糖；Poly(EDOT-MeSH)； Suspension Polymerization； Thiol； Au NPs； Glucose
摘要: 本文合成硫醇功能化的3,4-乙撑二氧噻吩(EDOT-MeSH)，利用Au-S化学吸附通过悬浮聚合法分别在存在不同浓度稳定剂的体系中制备了poly(EDOT-MeSH)/Au并通过扫描电镜(SEM)，透射电镜(TEM)，傅里叶红外光谱(FT-IR)，X-射线光谱(XRD)和能谱(EDX)等测试方法对结构进行表征。采用循环伏安法(CV)，分别用在不同条件下制备的poly(EDOT-MeSH)/Au修饰的玻碳电极(GCE)对葡萄糖的氧化进行了电催化性能研究。结果表明，当稳定剂的浓度为0.03 M时制备的复合物poly(EDOT-MeSH)/Au修饰的电极对葡萄糖的氧化表现出良好的催化性能，线性检测范围和检出限分别为0.2~17.0 mM和0.059 mM。这些结果将进一步推动该类电化学传感器在生物小分子传感器中的发展。
Abstract: In this paper, thiol functionalized 3,4-ethylenedioxythiophene (EDOT-MeSH) was synthesized, and poly(EDOT-MeSH)/Au was prepared by suspension polymerization method through Au-S chemical adsorption in different concentrations of stabilizers condition. The structure and properties were characterized by a range of techniques such as Scanning Electron Microscope (SEM), Transmission Electron Microscope (TEM), Fourier Transform Infrared Spectroscopy (FTIR), X-Ray Diffraction (XRD) and Energy Dispersive X-ray spectrum (EDX). The electrocatalytic properties of glucose oxidation were studied using glass carbon electrode (GCE) modified with poly(EDOT-MeSH)/Au preparing under the different condition by cyclic voltammetry (CV) method. The results showed that the poly(EDOT-MeSH)/Au/Au modified electrode had good catalytic performance for glucose oxidation when the stabilizer concentration was 0.03 M. The linear detection range and detection limit are 0.2 - 17.0 mM and 0.059 mM, respectively. These results will further promote the development of these electrochemical sensors in biological small molecule sensors.
文章引用：吐尔孙尼萨汗•白克热, 吐尔逊•阿不都热依木. 基于巯基功能化聚(3,4-乙撑二氧噻吩)/Au纳米复合材料的合成及其在葡萄糖检测中的应用[J]. 材料科学, 2019, 9(6): 589-599. https://doi.org/10.12677/MS.2019.96075

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