Preparation of copper and zinc sulfide nanoparticles and their modification with cysteine

被引：0
|
作者：
M. P. Zhilenko
K. V. Lupandina
H. V. Ehrlich
G. V. Lisichkin
机构：
[1] M. V. Lomonosov Moscow State University,Department of Chemistry
来源：
Russian Chemical Bulletin | 2010年 / 59卷
关键词：
Key words; nanoparticles; metal sulfides; surface modification; cysteine; stability; size effects;
D O I：
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中图分类号：
学科分类号：
摘要：
A new method for the preparation of copper and zinc sulfides nanoparticles in homogeneous aqueous solutions using cysteine as a surface modifier was proposed. The size of the particles obtained is 5–7 and 1.5–3 nm for copper and zinc sulfides, respectively, depending on the concentration of the reactants. Associates of the nanoparticles 10–30 nm in size are formed in the system with an increase in the total concentrations of the sulfides. Sols of the nanoparticles obtained in cysteine solutions are resistant to oxidation and coagulation within several weeks. The variation of the synthesis conditions makes it possible to obtain zinc sulfide particles with optical properties related to size effects.
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页码：1307 / 1311
页数：4
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