Effect of electrization on molecular mobility in gold nanocomposites based on arabinogalactan

被引：5
|
作者：
Nikolaeva, M. N. [1 ]
Aleksandrova, G. P. [2 ]
Martynenkov, A. A. [1 ]
机构：
[1] Russian Acad Sci, Inst Macromol Cpds, St Petersburg 199004, Russia
[2] Favorsky Inst Chem, Irkutsk 664033, Russia
来源：
RUSSIAN JOURNAL OF PHYSICAL CHEMISTRY A | 2012年 / 86卷 / 05期
关键词：
NMR relaxation; molecular mobility; arabinogalactan; polyamidine; metal-polymer-metal structures; thin polymer films; HIGH-CONDUCTIVITY; RELAXATION; FILMS;
D O I：
10.1134/S0036024412050263
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：
A correlation is found between the proton spin-spin relaxation times in gold nanocomposites based on arabinogalactan in aqueous solutions and the maximum conducting layer thicknesses of films cast from solutions of composites. The obtained correlation is considered from the viewpoint of electrization's effect on the mobility of macromolecules of the investigated polymer nanocomposites. The dependence of arabinogalactan mobility on the type of solvent (H2O or D2O) is established, and a conclusion is drawn as to the effect of the hydrogen bonds of arabinogalactan with solvent on polymer mobility in solutions.
引用
收藏
页码：812 / 815
页数：4
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