Nanostructured Silver Substrates With Stable and Universal SERS Properties: Application to Organic Molecules and Semiconductor Nanoparticles

被引：38

作者：

Chursanova, M. V. ^{[1
]}

Dzhagan, V. M. ^{[2
]}

Yukhymchuk, V. O. ^{[2
]}

Lytvyn, O. S. ^{[2
]}

Valakh, M. Ya. ^{[2
]}

Khodasevich, I. A. ^{[3
]}

Lehmann, D. ^{[4
]}

Zahn, D. R. T. ^{[4
]}

Waurisch, C. ^{[5
]}

Hickey, S. G. ^{[5
]}

机构：

[1] Natl Tech Univ Ukraine KPI, UA-03056 Kiev, Ukraine

[2] Natl Acad Sci Ukraine, V Lashkaryov Inst Semicond Phys, UA-03028 Kiev, Ukraine

[3] Natl Acad Sci, BI Stepanov Phys Inst, Minsk 220072, BELARUS

[4] Tech Univ Chemnitz, D-09107 Chemnitz, Germany

[5] IFW Dresden, D-01171 Dresden, Germany

来源：

NANOSCALE RESEARCH LETTERS | 2010年 / 5卷 / 02期

关键词：

SERS; Ag/Si nanoisland films; Post-growth annealing; Rhodamine; 6G; CdSe; Nanoparticles; ENHANCED RAMAN-SCATTERING; OPTICAL-PROPERTIES; RESONANT RAMAN; NANOCRYSTALS;

D O I：

10.1007/s11671-009-9496-2

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

Nanostructured silver films have been prepared by thermal deposition on silicon, and their properties as SERS substrates investigated. The optimal conditions of the post-growth annealing of the substrates were established. Atomic force microscopy study revealed that the silver films with relatively dense and homogeneous arrays of 60-80-nm high pyramidal nanoislands are the most efficient for SERS of both organic dye and inorganic nanoparticles analytes. The noticeable enhancement of the Raman signal from colloidal nanoparticles with the help of silver island films is reported for the first time.

引用

页码：403 / 409

页数：7

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