A novel method to prepare inorganic water-soluble nanocrystals

被引：11
|
作者：
Salvadori, B
Capitani, G
Mellini, M
Dei, LG
机构：
[1] Univ Florence, Dept Chem, I-50019 Sesto Fiorentino, FI, Italy
[2] Univ Florence, CSGI Consortium, I-50019 Sesto Fiorentino, FI, Italy
[3] Univ Siena, Dept Earth Sci, I-53100 Siena, Italy
来源：
JOURNAL OF COLLOID AND INTERFACE SCIENCE | 2006年 / 298卷 / 01期
关键词：
nanocrystals synthesis; calcium sulphate dihydrate; cryo-vacuum process;
D O I：
10.1016/j.jcis.2005.12.016
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：
Calcium sulphate dihydrate nanocrystals of 25-100 nm width have been synthesized in 100% purity and yield by means of a method-the cryo-vacuum process-consisting of rapid freezing of quasi-saturated solutions and subsequent vacuum assisted sublimation of water. Transmission electron microscopy reveals both curled nano-lamellae and smaller, irregular particles; electron diffraction patterns demonstrated that the particles are crystalline. This is a very powerful method for the 'clean' synthesis of moderately and completely water-soluble inorganic materials. (c) 2005 Elsevier Inc. All rights reserved.
引用
收藏
页码：487 / 490
页数：4
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