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《Materials Review》 2018-S1
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Preparation of Gold Nanoparticles by Microemulsion and Research on Their Bioelectrocatalysis Property

LI Junlin;XU Jingwen;LI Zhiwei;Materials and Engineering Institute,Jinling Institute of Technology;  
Gold nanoparticles(AuNPs)have special electrocatalytic performance.In this paper,AuNPs were prepared by water/AOT/cyclohexane microemulsion system.AuNPs of different sizes were prepared by changing the molar ratio of water to AOT(ω).The morphology and size,ultraviolet absorption spectrum and electrochemical properties of AuNPs were analyzed and studied by transmission electron microscope(TEM),ultraviolet spectrophotometer and electro-chemical workstation.The result showed that AuNPs were spherical,with size uniformity and good monodispersity.The test of electrocatalytic hydrogen analysis on AuNPs showed that AuNPs had a good dispersion with a homogeneous solution.The electrocatalytic activity of AuNPs was not as good as Pt/C electrode,but better than that of silver nanoparticles,gold-iron nano-alloy and nano-tungsten selenide,which indicated that the AuNPs had better electrocatalytic performance.This laid the theory foundation of AuNPs in bioelectricity catalytic application.
【Fund】: 金陵科技学院博士启动金项目(jit-b-201522)
【CateGory Index】: O643.36;TB383.1
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