Preparation and properties of uniform amorphous and crystalline colloidal nickel sulfide

被引:14
|
作者
Wang, L [1 ]
Schultz, M [1 ]
Matijevic, E [1 ]
机构
[1] CLARKSON UNIV,CTR ADV MAT PROC,POTSDAM,NY 13699
关键词
black pigment; double-jet precipitation; nickel sulfide; amorphous; cubic; nanosized;
D O I
10.1007/s003960050123
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
Amorphous spherical particles of nickel sulfide of 10 nm in diameter were synthesized by the controlled double-jet precipitation (CDJP) technique using nickel sulfate and sodium sulfide. Cubic crystalline particles of similar to 200 nm were obtained by aging dispersions of amorphous particles at 80 degrees C for more than a week, as long as the pH was kept between 3 and 3.5. Electrokinetic mobilities of these particles are reported, as well as color properties of their dispersions in liquids and in poly(vinyl alcohol) films are described.
引用
收藏
页码:593 / 598
页数:6
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