Hydrothermal synthesis and characterization of NiS flower-like architectures

被引:24
作者
Zhou, Hai [1 ,3 ]
Lv, Baoliang [1 ]
Wu, Dong [1 ]
Sun, Yuhan [1 ,2 ]
机构
[1] Chinese Acad Sci, Inst Coal Chem, Key Lab Carbon Mat, Taiyuan 030001, Peoples R China
[2] Chinese Acad Sci, Shanghai Adv Res Inst, Low Carbon Convers Ctr, Shanghai 201203, Peoples R China
[3] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
基金
中国国家自然科学基金;
关键词
Nanostructures; Chemical synthesis; Electron microscopy; Magnetic properties; SOLVOTHERMAL SYNTHESIS; MAGNETIC-PROPERTIES; NICKEL SULFIDES; PHASE-CONTROL; ZNS NANORODS; NANOSTRUCTURES; NANOCRYSTALS; TRANSITION;
D O I
10.1016/j.partic.2012.03.004
中图分类号
TQ [化学工业];
学科分类号
0817 ;
摘要
Under the influence of thiocyanate anions (SCN-) and cetyltrimethyl ammonium bromide (CTAB), NiS flower-like architectures were successfully synthesized by a one-step hydrothermal method. The synthesized flower-like architectures, with a multilayered and highly ordered texture, have diameters of several micrometers. X-ray powder diffraction (XRD) shows that the NiS flower-like architectures are rhombohedral crystalline. On the basis of condition-dependent experiments, the diffusion-limited aggregation (DLA) model and cage effect were used to explain the growth process of rhombohedral crystalline NiS flower-like architectures. Magnetic measurements showed that the coercivity (H-c) of the as-obtained NiS flower-like architectures was 102.14 Oe. (c) 2012 Chinese Society of Particuology and Institute of Process Engineering, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
引用
收藏
页码:783 / 788
页数:6
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