Preparation of TiO2 nanoparticles surface-modified by both carboxylic acid and amine:: Dispersibility and stabilization in organic solvents

被引：144
作者：
Nakayama, Norio [1 ]
Hayashi, Toyoharu [1 ]
机构：
[1] Mitsui Chem Inc, R&D Ctr, Sodegaura, Chiba 2990265, Japan
来源：
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2008年 / 317卷 / 1-3期
关键词：
TiO2; nanoparticles; surface-modification; dispersibility;
D O I：
10.1016/j.colsurfa.2007.11.036
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：
TiO2 nanoparticles, which were dispersed at the high concentration (more than 10%, w/v) in the organic solvent, were successfully prepared by a two-step modification using both propionic acid and n-hexylamine. It was well dispersed, comparing with TiO2 nanoparticles surface-modified by only hexanoic acid or n-hexylamine. The as-prepared sample were characterized using powder X-ray diffraction (XRD), Fourier transform infrared spectra (FTIR), UV-visible spectroscopy (UV-vis), transmission electron microscopy (TEM), thermogravimetric-differential thermal analyses (TG-DTA) and proton nuclear magnetic resonance (H-1 NMR). (C) 2007 Elsevier B.V. All rights reserved.
引用
收藏
页码：543 / 550
页数：8
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