Monodispersed bimetallic PdAg nanoparticles with twinned structures:   Formation and enhancement for the methanol oxidation

doi:10.1038/srep04288

CORC > 北京大学 > 化学与分子工程学院

	Monodispersed bimetallic PdAg nanoparticles with twinned structures: Formation and enhancement for the methanol oxidation
	Yin, Zhen ; Zhang, Yining ; Chen, Kai ; Li, Jing ; Li, Wenjing ; Tang, Pei ; Zhao, Huabo ; Zhu, Qingjun ; Bao, Xinhe ; Ma, Ding
刊名	scientific reports
	2014
关键词	ALCOHOL FUEL-CELLS OXYGEN REDUCTION ALKALINE MEDIA ETHANOL ELECTROOXIDATION COLLOIDAL PARTICLES NANOCRYSTAL GROWTH ALLOY NANOCRYSTALS NUCLEATION RATE FORMIC-ACID CATALYSTS
DOI	10.1038/srep04288
英文摘要	Monodispersed bimetallic PdAg nanoparticles can be fabricated through the emulsion-assisted ethylene glycol (EG) ternary system. Different compositions of bimetallic PdAg nanoparticles, Pd80Ag20, Pd65Ag35 and Pd46Ag54 can be obtained via adjusting the reaction parameters. For the formation process of the bimetallic PdAg nanoparticles, there have two-stage growth processes: firstly, nucleation and growth of the primary nanoclusters; secondly, formation of the secondary nanoparticles with the size-selection and relax process via the coalescence or aggregation of the primary nanoclusters. The as-prepared PdAg can be supported on the carbon black without any post-treatment, which exhibited high electro-oxidation activity towards methanol oxidation under alkaline media. More importantly, carbon-supported Pd80Ag20 nanoparticles reveal distinctly superior activities for the methanol oxidation, even if compared with commercial Pt/C electro-catalyst. It is concluded that the enhanced activity is dependant on the unique twinning structure with heterogeneous phase due to the dominating coalescence growth in EG ternary system.; http://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcApp=PARTNER_APP&SrcAuth=LinksAMR&KeyUT=WOS:000332452000001&DestLinkType=FullRecord&DestApp=ALL_WOS&UsrCustomerID=8e1609b174ce4e31116a60747a720701 ; Multidisciplinary Sciences; SCI(E); PubMed; 26; ARTICLE; yinzhen@tjpu.edu.cn; dma@pku.edu.cn; 4288; 4
语种	英语
内容类型	期刊论文
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/189386]
专题	化学与分子工程学院
推荐引用方式 GB/T 7714	Yin, Zhen,Zhang, Yining,Chen, Kai,et al. Monodispersed bimetallic PdAg nanoparticles with twinned structures: Formation and enhancement for the methanol oxidation[J]. scientific reports,2014.
APA	Yin, Zhen.,Zhang, Yining.,Chen, Kai.,Li, Jing.,Li, Wenjing.,...&Ma, Ding.(2014).Monodispersed bimetallic PdAg nanoparticles with twinned structures: Formation and enhancement for the methanol oxidation.scientific reports.
MLA	Yin, Zhen,et al."Monodispersed bimetallic PdAg nanoparticles with twinned structures: Formation and enhancement for the methanol oxidation".scientific reports (2014).