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通过偏振近场拉曼光谱研究自组装含偶氮苯硫醇单分子层在单个区域水平的分子排列。

Molecular arrangement in self-assembled azobenzene-containing thiol monolayers at the individual domain level studied through polarized near-field Raman spectroscopy.

作者信息

Chaigneau Marc, Picardi Gennaro, Ossikovski Razvigor

机构信息

LPICM, Ecole Polytechnique, CNRS, 91128 Palaiseau, France; E-Mails:

出版信息

Int J Mol Sci. 2011 Feb 21;12(2):1245-58. doi: 10.3390/ijms12021245.

DOI:10.3390/ijms12021245
PMID:21541056
原文链接:https://pmc.ncbi.nlm.nih.gov/articles/PMC3083703/
Abstract

6-[4-(phenylazo)phenoxy]hexane-1-thiol self-assembled monolayers deposited on a gold surface form domain-like structures possessing a high degree of order with virtually all the molecules being identically oriented with respect to the surface plane. We show that, by using polarized near-field Raman spectroscopy, it is possible to derive the Raman scattering tensor of the ordered layer and consequently, the in-plane molecular orientation at the individual domain level. More generally, this study extends the application domain of the near-field Raman scattering selection rules from crystals to ordered organic structures.

摘要

沉积在金表面的6-[4-(苯偶氮基)苯氧基]己烷-1-硫醇自组装单分子层形成了具有高度有序性的类似畴的结构，几乎所有分子相对于表面平面的取向都是相同的。我们表明，通过使用偏振近场拉曼光谱，可以推导出有序层的拉曼散射张量，从而得出单个畴水平上的面内分子取向。更一般地说，这项研究将近场拉曼散射选择规则的应用领域从晶体扩展到了有序有机结构。

https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0a6b/3083703/12484160b7b3/ijms-12-01245f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0a6b/3083703/85e7df03d4c9/ijms-12-01245f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0a6b/3083703/e2ed6dd9bcf9/ijms-12-01245f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0a6b/3083703/a057abe4575a/ijms-12-01245f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0a6b/3083703/12484160b7b3/ijms-12-01245f4.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0a6b/3083703/85e7df03d4c9/ijms-12-01245f1.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0a6b/3083703/e2ed6dd9bcf9/ijms-12-01245f2.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0a6b/3083703/a057abe4575a/ijms-12-01245f3.jpg
https://cdn.ncbi.nlm.nih.gov/pmc/blobs/0a6b/3083703/12484160b7b3/ijms-12-01245f4.jpg

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