Raspberry-like Hierarchical Au/Pt Nanoparticle Assembling Hollow Spheres with Nanochannels: An Advanced Nanoelectrocatalyst for the Oxygen Reduction Reaction

	Raspberry-like Hierarchical Au/Pt Nanoparticle Assembling Hollow Spheres with Nanochannels: An Advanced Nanoelectrocatalyst for the Oxygen Reduction Reaction
	Guo SJ ; Dong SJ ; Wang EK
刊名	journal of physical chemistry c
	2009
卷号	113 期号:14 页码:5485-5492
关键词	HYBRID NANOSTRUCTURES ENHANCED CATALYSIS CONTROLLED-RELEASE FACILE SYNTHESIS SILICA SPHERES PLATINUM NANOCRYSTALS NANORODS ELECTROCATALYST MONODISPERSE
ISSN号	1932-7447
通讯作者	wang ek
中文摘要	in this contribution, we for the first time report the synthesis of raspberry-like hierarchical au/pt nanoparticle (np) assembling hollow spheres (rhahs) with pore structure and complex morphology through one in situ sacrificial template approach without any post-treatment procedure. this method has some clear advantages including simplicity, quickness, high quality, good reproducibility, and no need of a complex post-treatment process (removing templating). furthermore, the present method could be extended to other metal-based np assembling hollow spheres. most importantly, the as-prepared rhahs exhibited excellent electrocatalytic activity for oxygen reduction reaction (orr). for instance, the present rhahs-modified electrode exhibited more positive potential (the half-wave potential at about 0.6 v), higher specific activity, and higher mass activity for orr than that of commercial platinum black (cpb). rotating ring-disk electrode (rrde) voltarnmetry demonstrated that the rhahs-modified electrode could almost catalyze a four-electron reduction of o-2 to h2o in a 0.5 m air-saturated h2so4 solution.
收录类别	SCI
语种	英语
WOS记录号	WOS:000264805700024
公开日期	2010-06-18
内容类型	期刊论文
源URL	[http://202.98.16.49/handle/322003/12693]
专题	长春应用化学研究所_长春应用化学研究所知识产出_期刊论文
推荐引用方式 GB/T 7714	Guo SJ,Dong SJ,Wang EK. Raspberry-like Hierarchical Au/Pt Nanoparticle Assembling Hollow Spheres with Nanochannels: An Advanced Nanoelectrocatalyst for the Oxygen Reduction Reaction[J]. journal of physical chemistry c,2009,113(14):5485-5492.
APA	Guo SJ,Dong SJ,&Wang EK.(2009).Raspberry-like Hierarchical Au/Pt Nanoparticle Assembling Hollow Spheres with Nanochannels: An Advanced Nanoelectrocatalyst for the Oxygen Reduction Reaction.journal of physical chemistry c,113(14),5485-5492.
MLA	Guo SJ,et al."Raspberry-like Hierarchical Au/Pt Nanoparticle Assembling Hollow Spheres with Nanochannels: An Advanced Nanoelectrocatalyst for the Oxygen Reduction Reaction".journal of physical chemistry c 113.14(2009):5485-5492.