Surface-functionalized nanoparticles with liquid-like behavior

被引：267
|
作者：
Bourlinos, AB
Herrera, R
Chalkias, N
Jiang, DD
Zhang, Q
Archer, LA
Giannelis, EP [1 ]
机构：
[1] Cornell Univ, Dept Mat Sci & Engn, Ithaca, NY 14853 USA
[2] Cornell Univ, Sch Chem & Biomol Engn, Ithaca, NY 14853 USA
来源：
ADVANCED MATERIALS | 2005年 / 17卷 / 02期
关键词：
D O I：
10.1002/adma.200401060
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Surface functionalization of silica or maghemite (gamma-Fe2O3) nanoparticles with a quaternary ammonium organosilane leads to ionically modified nanoparticles that, depending on the nature of the counterion, exhibit liquid-like behavior in the absence of solvents. Solvent-free nanosalts composed of modified silica nanoparticles (Figure, left) can be used to dissolve and polymerize pyrrole, while nanosalts composed of maghemite nanoparticles (right) can form solvent-free ferrofluids.
引用
收藏
页码：234 / +
页数：5
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