Plasmonic Enhancement of Raman Scattering on Non-SERS-Active Platinum Substrates

被引：60

作者：

Ikeda, Katsuyoshi ^{[1
,2
]}

Sato, Jun ^{[1
]}

Fujimoto, Norihiro ^{[1
]}

Hayazawa, Norihiko ^{[2
]}

Kawata, Satoshi ^{[2
,3
]}

Uosaki, Kohei ^{[1
,4
]}

机构：

[1] Hokkaido Univ, Phys Chem Lab, Div Chem, Grad Sch Sci, Sapporo, Hokkaido 0600810, Japan

[2] RIKEN, Wako, Saitama 3510198, Japan

[3] Osaka Univ, Dept Appl Phys, Suita, Osaka 5650871, Japan

[4] Natl Inst Mat Sci, Int Ctr Mat Nanoarchitechton Satellite MANA, Sapporo, Hokkaido 0600810, Japan

来源：

JOURNAL OF PHYSICAL CHEMISTRY C | 2009年 / 113卷 / 27期

关键词：

GAP-MODE; SURFACE; GOLD; PALLADIUM; NANOPARTICLES; REACTIVITY; ISOCYANIDE; MOLECULES; AU(111); SPECTRA;

D O I：

10.1021/jp901858t

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Gap-mode plasmon excitations on non-SERS-active metal substrates are investigated theoretically and experimentally for Pt single crystalline surfaces. A huge enhancement with the order of 10(5), which is 10(3)-fold larger than the previously reported values, is experimentally achieved on Pt substrates. Since the present technique is applicable for a well-defined smooth substrate, crystal-face dependence of adsorption geometries is also presented at Pt(100) and Pt(111). These features indicate that the concept of gap-mode plasmon excitations is practically useful for studying catalytic reaction mechanism on various metal surfaces.

引用

页码：11816 / 11821

页数：6

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