Vibrational Activity Change of Self-Assembled Monolayers upon Chemical Attachment and Nanoscale Block Revealed by Surface Enhanced Raman Spectroscopy

被引：0

作者：

Zhou Jie ^{[1
]}

Li Bo-Lin ^{[2
]}

Zhu Pei-Zhi ^{[3
]}

Lu Xiao-Lin ^{[1
,2
]}

机构：

[1] Zhejiang Sci Tech Univ, Dept Chem, Educ Minist, Key Lab Adv Text Mat & Mfg Technol, Hangzhou 310018, Zhejiang, Peoples R China

[2] Southeast Univ, Sch Biol Sci & Med Engn, State Key Lab Bioelect, Nanjing 210096, Peoples R China

[3] Yangzhou Univ, Coll Chem & Engn, Yangzhou 225009, Jiangsu, Peoples R China

来源：

ACTA PHYSICO-CHIMICA SINICA | 2014年 / 30卷 / 04期

基金：

中国国家自然科学基金;

关键词：

Surface-enhanced raman scattering; High-order effect; Symmetry change; 1,4-Benzenedithiol; Silver nanoparticle; SILVER ELECTRODE; SCATTERING; MOLECULES; NANOPARTICLES; GOLD; 1,4-BENZENEDITHIOL; ADSORPTION; SERS;

D O I：

10.3866/PKU.WHXB201312273

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：

The origin of weak ambiguous vibrational modes in surface enhanced Raman scattering (SERS), i.e., from the high-order effect or symmetry change using 1,4-benzenedithiol (BDT) as a probe, is investigated. Weak ambiguous vibrational modes are caused by symmetry change rather than high-order effect. The experimental method can be extended, e.g., to similar systems excited by lasers with different wavelengths, or microelectronic junctions bridged by organic molecules.

引用

页码：623 / 627

页数：5

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