Submonolayer-Pt-Coated Ultrathin Au Nanowires and Their Self-Organized Nanoporous Film: SERS and Catalysis Active Substrates for Operando SERS Monitoring of Catalytic Reactions

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	Submonolayer-Pt-Coated Ultrathin Au Nanowires and Their Self-Organized Nanoporous Film: SERS and Catalysis Active Substrates for Operando SERS Monitoring of Catalytic Reactions
	Liu, R ; Liu, JF ; Zhang, ZM ; Zhang, LQ ; Sun, JF ; Sun, MT ; Jiang, GB
刊名	JOURNAL OF PHYSICAL CHEMISTRY LETTERS
	2014
卷号	5 期号:6 页码:969
ISSN号	1948-7185
通讯作者	Liu, JF (reprint author), Chinese Acad Sci, Res Ctr Ecoenvironm Sci, State Key Lab Environm Chem & Ecotoxicol, Beijing 100085, Peoples R China.
中文摘要	For their unique properties, core shell bimetal nanostructures are currently of immense interest. However, their synthesis is not a trivial work, and most works have been conducted on nanoparticles. We report herein a new synthetic tactic for submonolyer-Pt coated ultrathin Au nanowires (NWs). Besides providing a strong electromagnetic field for Raman signal enhancing, the underlined Au NWs markedly enhanced the catalytic activity of Pt atoms through increasing their dispersity and altering their electronic state. The integration of excellent SERS and high catalytic activity within Au@Pt NWs enable it work as platform for catalyzed reaction study. As a proof of principle, the self-organized Au@Pt NWs thin film is employed in operando SERS monitoring of the p-nitrothiophenol reduction process. In addition to providing kinetic data for structure activity relationship study, the azo-intermidate independent path is also directly witnessed. This synthetic tactic can be extended to other metals, thus offering a general approach to modulate the physical/chemical properties of both core and shell metals.
资助信息	National Basic Research Program of China [2011CB936001]; National Natural Science Foundation of China [21025729, 21207144]; Research Device Development Project of Chinese Academy of Sciences [YZ201147]
语种	英语
公开日期	2015-04-14
内容类型	期刊论文
源URL	[http://ir.iphy.ac.cn/handle/311004/59254]
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	Liu, R,Liu, JF,Zhang, ZM,et al. Submonolayer-Pt-Coated Ultrathin Au Nanowires and Their Self-Organized Nanoporous Film: SERS and Catalysis Active Substrates for Operando SERS Monitoring of Catalytic Reactions[J]. JOURNAL OF PHYSICAL CHEMISTRY LETTERS,2014,5(6):969.
APA	Liu, R.,Liu, JF.,Zhang, ZM.,Zhang, LQ.,Sun, JF.,...&Jiang, GB.(2014).Submonolayer-Pt-Coated Ultrathin Au Nanowires and Their Self-Organized Nanoporous Film: SERS and Catalysis Active Substrates for Operando SERS Monitoring of Catalytic Reactions.JOURNAL OF PHYSICAL CHEMISTRY LETTERS,5(6),969.
MLA	Liu, R,et al."Submonolayer-Pt-Coated Ultrathin Au Nanowires and Their Self-Organized Nanoporous Film: SERS and Catalysis Active Substrates for Operando SERS Monitoring of Catalytic Reactions".JOURNAL OF PHYSICAL CHEMISTRY LETTERS 5.6(2014):969.