表面增强拉曼光谱研究自组装单分子层在化学接触和纳米隔绝下的分子振动活性变化

引用本文: 周杰, 李柏霖, 朱沛志, 卢晓林. 表面增强拉曼光谱研究自组装单分子层在化学接触和纳米隔绝下的分子振动活性变化[J]. 物理化学学报, 2014, 30(4): 623-627. doi: 10.3866/PKU.WHXB201312273 shu

Citation: ZHOU Jie, LI Bo-Lin, ZHU Pei-Zhi, LU Xiao-Lin. Vibrational Activity Change of Self-Assembled Monolayers upon Chemical Attachment and Nanoscale Block Revealed by Surface Enhanced Raman Spectroscopy[J]. Acta Physico-Chimica Sinica, 2014, 30(4): 623-627. doi: 10.3866/PKU.WHXB201312273 shu

表面增强拉曼光谱研究自组装单分子层在化学接触和纳米隔绝下的分子振动活性变化

基金项目:
国家自然科学基金(51173169，21004054)，浙江省钱江人才计划(2011R10025)，教育部留学归国人员科研启动基金和浙江省留学人员科技活动项目择优资助项目. 卢晓林还受到江苏高校优势学科建设工程项目(1107037001)资助 (51173169，21004054)，浙江省钱江人才计划(2011R10025)，教育部留学归国人员科研启动基金和浙江省留学人员科技活动项目择优资助项目. 卢晓林还受到江苏高校优势学科建设工程项目(1107037001)

摘要:

为确定表面增强拉曼光谱中某些有争议的弱振动模式是来自高阶的影响还是分子基团对称性变化的影响，本文以1，4-苯二硫醇作为探针分子提供了一种实验验证的框架方法. 光谱实验显示，观测到的有争议的弱振动模式并不是来自高阶的影响，而是分子基团对称性变化所致. 我们的实验框架方法很容易拓展开来，如用于研究其它波长激光激发的类似体系或有机分子搭接的分子结.

关键词:

English

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

1.
1 Key Laboratory of Advanced Textile Materials and Manufacturing Technology of Education Ministry, Department of Chemistry, Zhejiang Sci-Tech University, Hangzhou 310018, P. R. China;
2 State Key Laboratory of Bioelectronics, School of Biological Science & Medical Engineering, Southeast University, Nanjing 210096, P. R. China;
3 College of Chemistry and Chemical Engineering, Yangzhou University, Yangzhou 225009, Jiangsu Province, P. R. China
Received Date: 11 October 2013
Available Online: 31 March 2014
Fund Project:
国家自然科学基金(51173169，21004054)，浙江省钱江人才计划(2011R10025)，教育部留学归国人员科研启动基金和浙江省留学人员科技活动项目择优资助项目. 卢晓林还受到江苏高校优势学科建设工程项目(1107037001)资助

Abstract:

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.

Key words:

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1.
沈阳化工大学材料科学与工程学院沈阳 110142

表面增强拉曼光谱研究自组装单分子层在化学接触和纳米隔绝下的分子振动活性变化

English

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

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南：你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

表面增强拉曼光谱研究自组装单分子层在化学接触和纳米隔绝下的分子振动活性变化

English

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

CCS Chemistry：嵌段共聚物自组装成 “三明治”二维有机材料，实现纳米级压力传感功能

CCS Chemistry：颜徐州、鲍哲南： 你的皮肤可能是一片SPMs

CCS Chemistry：工作高效不疲劳，只须让催化剂动起来

CCS Chemistry：静电组装导向聚合- 聚电解质纳米凝胶量化制备新策略

CCS Chemistry：金黄色葡萄球菌醛基脱氢酶是如何识别特异性底物的？

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通讯作者: 陈斌, bchen63@163.com

中国化学会秘书处

CCS Chemistry：颜徐州、鲍哲南：你的皮肤可能是一片SPMs