Synthesis and characterization of CoS nanoparticles encapsulated in mesoporous aluminosilicate material by solid-state reaction

被引:13
|
作者
Pourahmad, A. [1 ]
Sohrabnezhad, Sh. [2 ]
机构
[1] Islamic Azad Univ, Fac Sci, Dept Chem, Rasht Branch, Rasht, Iran
[2] Univ Mohaghegh, Fac Sci, Dept Chem, Ardebil, Iran
关键词
Semiconductors; AlMCM-41; Nanocomposites; Solid-solid reaction; CDS NANOPARTICLES; ZEOLITES; ALUMINUM; ENERGY; MCM-41;
D O I
10.1016/j.matlet.2010.10.009
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
CoS nanoparticles (NPs) encapsulated in the mesoporous aluminosilicate material (AlMCM-41) were prepared by a novel technique with non-aqueous systems. The mechanical mixture of the CoCl(2) crystal with the AlMCM-41 was heated at 773 K. followed by the H(2)S treatment at 373 K. resulting in the formation of cobalt sulphide nanoparticles (NPs) with an estimated size of 4 nm. Decreasing of the volumes of the pores and the specific surface area of the mesoporous material demonstrates that the guests are located in the channels (BET measurements). The final product (CoS/AlMCM-41) was characterized by transmission electron microscopy (TEM), UV-vis spectroscopy, X-ray diffraction (XRD) pattern, and inductively coupled plasma atomic emission spectroscopy (ICP-AES). (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码:205 / 207
页数:3
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