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
收藏
页码：623 / 627
页数：5
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