Preparation and characterisation of CoS2 nanomaterial in aqueous cationic surfactant medium of cetyltrimethylammonium bromide (CTAB)

被引：53
|
作者：
Chakraborty, Indranil [1 ]
Malik, Pradip K. [1 ]
Moulik, Satya P. [1 ]
机构：
[1] Jadavpur Univ, Ctr Surface Sci, Dept Chem, Kolkata 700032, W Bengal, India
来源：
JOURNAL OF NANOPARTICLE RESEARCH | 2006年 / 8卷 / 06期
关键词：
CoS2; nanoparticle; CTAB micelles; surface capping; thiophenol; characterization; colloids; dispersion;
D O I：
10.1007/s11051-005-9032-y
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Cobalt disulfide is an important nanomaterial in the field of material chemistry due to its interesting catalytic and electromagnetic properties. We herein report the simple solution phase preparation of nanoparticles of cobalt disulfide in micellar medium of cationic surfactant cetyltrimethylammonium bromide (CTAB) and also by way of capping with thiophenol. The product has been characterized using spectroscopic and electron microscopic and magnetic moment measurements. The presence of disulfide bond is clearly evident from the 480 cm(-1) peak in the infrared spectrum. The thiol passivated particles prepared in aqueous and ethanol medium has been found to have different compositions as observed from the ESIMS study.
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收藏
页码：889 / 897
页数：9
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