Au_(core) Pt_(shell)纳米粒子对甲醇氧化的电催化性能研究

电化学（中英文） ›› 2006, Vol. 12 ›› Issue (2): 218-222.

Au_(core) Pt_(shell)纳米粒子对甲醇氧化的电催化性能研究

鲍芳;姚建林;顾仁敖;

苏州大学化学化工学院,苏州大学化学化工学院,苏州大学化学化工学院江苏苏州215123,江苏苏州215123,江苏苏州215123

收稿日期:2006-05-28 修回日期:2006-05-28 出版日期:2006-05-28 发布日期:2006-05-28

Electrochemical Studies on Electrocatalytic Activity of Au_(core) Pt_(shell)Nanoparticles to Methanol Oxidation

BAO Fang,Yao Jian-lin,GU Ren-ao~

(*)(Department of Chemistry,Suzhou University,Suzhou 215123,Jiangsu,China

Received:2006-05-28 Revised:2006-05-28 Published:2006-05-28 Online:2006-05-28

摘要/Abstract

摘要： 应用两步化学还原法制备不同厚度的AucorePtshell纳米粒子,经紫外可见光谱(UV-V is)、透射电子显微镜(TEM)表征.该金纳米颗粒经化学还原包裹铂后平均粒径明显增大,调节金与铂的含量可获得不同包裹厚度的AucorePtshell纳米粒子.循环伏安法研究表明,粒径为70~80 nm的AucorePtshell纳米粒子对甲醇的氧化具有较好的电催化活性,并且其电催化性能随着电位循环扫描次数的增加而增强.

关键词: AucorePtshell纳米粒子, 甲醇, 电催化

Abstract: Au_(core)Pt_(shell)nanoparticles with different thicknesses were prepared by using chemical reduction method,and characterized by ultraviolet-visible spectroscopy(UV-Vis),transmission electron microscopy(TEM) and cyclic voltammetry(CV).The electrocatalytic activity of Au_(core)Pt_(shell)nanoparticles with the mean diameter of 70~80 nm to methanol oxidation was investigated by cyclic voltammetry in the acid solution.The results revealed that the prepared core-shell nanoparticles were covered by Pt shell and exhibited the similar optical property and electrocatalytic activity with the normal Pt surface.Moreover,the electrocatalytic activity increased with the electrochemical sweep in the certain potential range.It might be contributed by the special loose structure of Pt shell rather than the increase of the real area.

Key words: Au_(core)Pt_(shell)nanoparticles, Methanol, Electrocatalysis

中图分类号:

O646

鲍芳;姚建林;顾仁敖;. Au_(core) Pt_(shell)纳米粒子对甲醇氧化的电催化性能研究[J]. 电化学（中英文）, 2006, 12(2): 218-222.

BAO Fang,Yao Jian-lin,GU Ren-ao~. Electrochemical Studies on Electrocatalytic Activity of Au_(core) Pt_(shell)Nanoparticles to Methanol Oxidation[J]. Journal of Electrochemistry, 2006, 12(2): 218-222.

导出引用管理器 EndNote|Ris|BibTeX

链接本文: https://electrochem.xmu.edu.cn/CN/

https://electrochem.xmu.edu.cn/CN/Y2006/V12/I2/218

参考文献

[1]Golab i S M,Nozad A.E lectrocatalytic oxidation ofm eth-anol on electrodes mod ified by p latinum m icropartic lesd ispersed into poly(o-phenylened iam ine)film[J].J.E lectroanal Chem.,2002,521:161. [2]M ikhaylova A A,Khazova O A.E lectrocatalytic and ad-sorption properties of p latinum m icropartic les electrode-posited onto glassy carbon and into Nafion film s[J].J.E lectroanal.Chem.,2000,480:225. [3]Chen C W,Takezako T,Yam amoto K.Poly(N-vinyli-sobutyram ide)-stab ilized p latinum nanopartic les:syn-thesis and temperature-responsive behavior in aqueoussolution[J].Colloids and Surfaces A,2000,169:107. [4]Hengle in A.Preparation and optical absorption spectraof Au/sub core/Pt/sub shell/and Pt/sub core/Au/subshell/colloidal nanopartic les in aqueous solution Phys[J].J.Chem.B,2000,104:2201. [5]Lu L H,W ang H S,X i S Q,et al.Improved size con-trol of large pallad ium nanopartic les by a seed ing growthm ethod Journal of M aterials Chem istry[J].J.M ater.Chem.,2002,12:156. [6]Sronova Sloufova L,Ledn icky F,Gemperle A.Core-Shell(Ag)Au b im etallic nanopartic les:analysis ofTransm ission electron m icroscopy Im ages[J].Lang-mu ir,2000,16:9928. [7]Lu Lehu i,Sun Guoying,Zhang Hongjie.Fabrication ofcore-shell Au-Pt nanopartic le film and its potential ap-p lication as catalysis and SERS substrate[J].J.M ater.Chem.,2004,14:1005. [8]Lu Lehu i,W ang Haishu i,X i Sh iquan,et al.Improvedsize control of large pallad ium nanopartic les by a seed inggrowth m ethod Journal of M aterials Chem istry[J].J.M ater.Chem.2002,12:156. [9]Tian Na(田娜),ChenW e i(陈卫),Sun Sh i-Gang(孙世刚).Spectroscop ic characterization and electrocatalyticproperties of core-shell Au-Pt nanopartic les[J].ActaPhys.-ch im.S in.,2005,21:74. [10]L i Jian-Feng(李剑锋),Hu Jia-W en(胡家文),RenB in(任斌),et al.Tun ing the SERS activity of Au-PdCore-shellNanopartic les by controlling the th ick iness ofthe Pd shell[J].Acta Phys.-Ch im.S in ica,2005,21:825. [11]Frens G.Controlled nuc leation for the regu lation of thepartic le size in monod isperse gold suspensions[J].Nature,1973,241:20. [12]Cre ighton J A,Eadon D G.U ltraviolet-visib le absorp-tion spectra of the colloidal m etallic elem ents[J].J.Chem.Soc.,Faraday Trans.,1991,87:3881. [13]Teran ish i T,HosoeM,Tanaka T,et al.S ize control ofmonod ispersed Pt nanopartic lesand the ir 2D or gan iza-tion by electrophoretic deposition[J].J.Phys,Chem.B,1999,103:3818. [14]Engelsm ann K,Lorenz W J,Schm idt E.Underpoten-tial deposition of lead on polycrystalline and single-crystal gold surface 1.Thermodynam ica[J].J.E lec-troanal.Chem.,1980,114:1. [15〗Ren B,L i X Q,She C X.Surface Ram an spectroscopyas a versatile techn ique to study m ethanol oxidation onrough Pt electrodes[J].E lectroch im.Acta,2000,46:193. [16〗B iswas P C,Nodasaka Y,EnyoM,et al.E lectro-oxi-dation of CO and m ethanol on graph ite-based p latinumelectrodes comb ined w ith oxide-supported u ltrafine goldpartic les[J].J.E lectroanal.Chem,1995,381:167.

[1]	万紫轩, Aidar Kuchkaev, Dmitry Yakhvarov, 康雄武. 单分散Cu-TCPP/Cu₂O杂化微球:一种具有优异电还原CO₂产C₂性能的级联电催化剂[J]. 电化学（中英文）, 2024, 30(1): 2303271-.
[2]	郑天龙, 欧明玉, 徐松, 毛信表, 王释一, 和庆钢. 一体式可再生燃料电池双功能氧催化剂的研究进展[J]. 电化学（中英文）, 2023, 29(7): 2205301-.
[3]	杨云锐, 董欢欢, 郝志强, 何祥喜, 杨卓, 李林, 侴术雷. 高性能锂硫电池用钴/碳复合材料硫宿主[J]. 电化学（中英文）, 2023, 29(4): 2217003-.
[4]	冯辛, 刘博文, 郭可鑫, 范林丰, 王根香, 次素琴, 温珍海. 基于阳极甘油氧化电催化的碱/酸混合电解制氢研究[J]. 电化学（中英文）, 2023, 29(2): 2215005-.
[5]	孟庆成, 金林薄, 马梦泽, 高学庆, 陈爱兵, 周道金, 孙晓明. 层状金属氢氧化物中铁位点辅助分散铂纳米颗粒用于高效甲醇氧化[J]. 电化学（中英文）, 2023, 29(2): 2215007-.
[6]	韦宗楠, 曹敏纳, 曹荣. 瓜环基金属纳米催化剂的电化学研究进展[J]. 电化学（中英文）, 2023, 29(1): 2215008-.
[7]	郭鸿波, 王亚妮, 郭凯, 雷海涛, 梁作中, 张学鹏, 曹睿. 吸电子和亲水性Co-卟啉促进电催化氧还原反应的研究[J]. 电化学（中英文）, 2022, 28(9): 2214002-.
[8]	梁宵, 张可新, 沈雨澄, 孙轲, 石磊, 陈辉, 郑克岩, 邹晓新. 钙钛矿型水氧化电催化剂[J]. 电化学（中英文）, 2022, 28(9): 2214004-.
[9]	周澳, 郭伟健, 王月青, 张进涛. 焦耳热快速合成双功能电催化剂用于高效水分解[J]. 电化学（中英文）, 2022, 28(9): 2214007-.
[10]	王英超, 马自在, 吴一凡, 王孝广. GCP载钯颗粒复合材料的制备及其电化学合成氨性能研究[J]. 电化学（中英文）, 2022, 28(5): 2104091-.
[11]	张天恩, 颜雅妮, 张俊明, 瞿希铭, 黎燕荣, 姜艳霞. 调控Pt₃Zn合金化程度改善酸性氧还原活性与稳定性[J]. 电化学（中英文）, 2022, 28(4): 2106091-.
[12]	Jafar Hussain Shah, 谢起贤, 匡智崇, 格日乐, 周雯慧, 刘朵绒, Alexandre I. Rykov, 李旭宁, 罗景山, 王军虎. 原位 ⁵⁷Fe穆斯堡尔光谱技术及其在Ni-Fe基析氧反应电催化剂中的应用[J]. 电化学（中英文）, 2022, 28(3): 2108541-.
[13]	冯雅辰, 王翔, 王宇琪, 严会娟, 王栋. 电催化氧还原反应的原位表征[J]. 电化学（中英文）, 2022, 28(3): 2108531-.
[14]	滕雪, 牛艳丽, 巩帅奇, 刘璇, 陈作锋. 碳层网络促进Sn/SnO₂纳米颗粒选择性CO₂还原[J]. 电化学（中英文）, 2022, 28(2): 2108441-.
[15]	万紫轩, 王超辉, 康雄武. 泡沫铜支撑Ru掺杂Cu₃P自支撑催化剂及其析氢性能[J]. 电化学（中英文）, 2022, 28(10): 2214005-.