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dc.contributor.author邓小聪
dc.contributor.authorDENG Xiao-Cong
dc.contributor.author田向东
dc.contributor.authorTIAN Xiang-Dong
dc.contributor.author温飞鹏
dc.contributor.authorWEN Fei-Peng
dc.contributor.author易飞
dc.contributor.authorYI Fei
dc.contributor.author程美琴
dc.contributor.authorCHENG Mei-Qin
dc.contributor.author钟起玲
dc.contributor.authorZHONG Qi-Ling
dc.contributor.author颜佳伟
dc.contributor.authorYAN Jia-Wei
dc.contributor.author任斌
dc.contributor.authorREN Bin
dc.contributor.author田中群
dc.contributor.authorTIAN Zhong-Qun
dc.date.accessioned2013-05-31T07:27:58Z
dc.date.available2013-05-31T07:27:58Z
dc.date.issued2012-02
dc.identifier.citation高等学校化学学报,2012,33(2):336-340zh_CN
dc.identifier.issn0251-0790
dc.identifier.urihttps://dspace.xmu.edu.cn/handle/2288/18851
dc.description联系人简介: 钟起玲,男,教授,主要从事电化学研究.E-mail: zhqiling@163. com 任斌,男,博士,教授,主要从事电化学和拉曼光谱研究.E-mail: bren@ xmu.edu.cnzh_CN
dc.description.abstract[中文文摘]以100nm的Au粒子为核,抗坏血酸为还原剂,H2PtCl6.6H2O为前驱体,合成了Pt包Au核壳结构纳米粒子(Au@Pt)及其修饰的玻碳(GC)电极(Au@Pt/GC).采用旋转圆盘电极等常规电化学方法,比较了Au@Pt/GC和商用碳载铂(Pt/C)修饰的玻碳电极(Pt/C/GC)催化O2还原反应活性及耐甲醇性能,发现Au@Pt纳米粒子在铂用量很低的情况下,其催化O2还原反应活性仍与商用Pt/C相当,而且还具有优良的耐甲醇性能;其催化O2还原反应机理按O2直接还原成H2O的四电子历程进行.[英文文摘]Core-shell nanostructure Au@Pt nanoparticles were synthesized with a diameter of 100 nm Au nanoparticles as cores,ascorbic acid as reducing agent and H2PtCl6·6H2O as the precursor.The synthesized nanoparticles and commercial electrocatalysts were dropped on glassy carbon electrodes(Au@Pt/GC) to form the oxygen reduction electrodes(Au@Pt/GC,Pt/C/GC).The reaction activities for oxygen reduction and methanol tolerance of Au@Pt/GC and commercial Pt/C/GC electrodes were compared with those of rotating disk electrode and other conventional electrochemical methods.At a significantly reduced amount of Pt,the oxygen reduction activity of Au@ Pt nanoparticles is still comparable with the commercial Pt /C.The oxygen reduction proceeds via a four-electron transfer reaction to water on Au@ Pt nanoparticles.Futhermore,it shows a good tolerance to methanol.zh_CN
dc.description.sponsorship国家自然科学基金(批准号:20663002); 厦门大学固体表面物理化学国家重点实验室基金(批准号:200907)资助zh_CN
dc.language.isozhzh_CN
dc.publisher《高等学校化学学报》编辑部zh_CN
dc.subjectAu@Pt纳米粒子zh_CN
dc.subjectAu@Pt nanoparticlezh_CN
dc.subject电催化zh_CN
dc.subjectElectrocatalysiszh_CN
dc.subjectO2还原zh_CN
dc.subjectOxygen reduction reactionzh_CN
dc.subject耐甲醇性zh_CN
dc.subjectMethanol tolerancezh_CN
dc.titleAu@Pt纳米粒子催化O_2还原反应的电化学研究zh_CN
dc.title.alternativeElectrochemical Study of Au@Pt Nanoparticles for Oxygen Reduction Reactionzh_CN
dc.typeArticlezh_CN


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