中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Formation of AgPt Alloy Nanoislands via Chemical Etching with Tunable Optical and Catalytic Properties

文献类型:期刊论文

作者He, WW ; Wu, XC ; Liu, JB ; Zhang, K ; Chu, WG ; Feng, LL ; Hu, XN ; Zhou, WY ; Xie, SS
刊名LANGMUIR
出版日期2010
卷号26期号:6页码:4443
关键词NANOROD-SEEDED GROWTH GOLD NANORODS METHANOL ELECTROOXIDATION OXYGEN REDUCTION SILVER SURFACE NANOSTRUCTURES NANOPARTICLES NANOCRYSTALS ELECTROCATALYST
ISSN号0743-7463
通讯作者Wu, XC: Natl Ctr Nanosci & Technol, Beijing 100190, Peoples R China.
中文摘要An effective way is developed to fabricate AgPt alloy nanoislands oil gold nanorods based on the galvanic replacement between Ag and PtCl(4)(2-) in the presence of cetyltrimethylammonium bromide (CTAB). The optical and catalytic properties benefit from the porous structure composed of AgPt nanoislands. A large red shift (265 nm) after etching is observed for longitudinal surface plasmon resonance (SPR) in comparison with Au@Pt0.1@Ag. Alloy compositions ill bulk miscibility gap can be obtained and finely tuned from Ag(0.56)Pt(0.44) to Ag(0.38)Pt(0.62). A unique composition dependence is found for both electrocatalytic oxidation of methanol and catalytic oxidation of o-phenylenediamine (OPD) by hydrogen peroxide. In both systems, the highest catalytic activity is achieved at the alloy composition of Pt(0.62)Ag(0.38). Proper alloying with Ag not only improves the CO poisoning of Pt catalyst but also enhances the catalytic activity greatly.
收录类别SCI
资助信息National Natural Science Foundation of China [20773032]; "973" National Key Basic Research Program of China [2006CB705600, 2006CB932602]
语种英语
公开日期2013-09-17
源URL[http://ir.iphy.ac.cn/handle/311004/38382]  
专题物理研究所_物理所公开发表论文_物理所公开发表论文_期刊论文
推荐引用方式
GB/T 7714
He, WW,Wu, XC,Liu, JB,et al. Formation of AgPt Alloy Nanoislands via Chemical Etching with Tunable Optical and Catalytic Properties[J]. LANGMUIR,2010,26(6):4443.
APA He, WW.,Wu, XC.,Liu, JB.,Zhang, K.,Chu, WG.,...&Xie, SS.(2010).Formation of AgPt Alloy Nanoislands via Chemical Etching with Tunable Optical and Catalytic Properties.LANGMUIR,26(6),4443.
MLA He, WW,et al."Formation of AgPt Alloy Nanoislands via Chemical Etching with Tunable Optical and Catalytic Properties".LANGMUIR 26.6(2010):4443.

入库方式: OAI收割

来源:物理研究所

浏览0
下载0
收藏0
其他版本

除非特别说明,本系统中所有内容都受版权保护,并保留所有权利。