Shape-controlled synthesis of Ni particles via polyol reduction

被引：50
|
作者：
Bai, Liuyang [1 ,2 ]
Fan, Junmei [1 ]
Cao, Yuebin [1 ,2 ]
Yuan, Fangli [1 ]
Zuo, Ahui [1 ,2 ]
Tang, Qing [1 ]
机构：
[1] Chinese Acad Sci, State Key Lab Multiphase Complex Syst, Inst Proc Engn, Beijing 100080, Peoples R China
[2] Chinese Acad Sci, Grad Univ, Beijing 100049, Peoples R China
来源：
JOURNAL OF CRYSTAL GROWTH | 2009年 / 311卷 / 08期
基金：
中国国家自然科学基金;
关键词：
Crystal morphology; Growth from solutions; Hydrothermal crystal growth; Metals; Magnetic materials; DEPENDENT CATALYTIC-ACTIVITY; METAL NANOSTRUCTURES; SILVER NANOCUBES; NICKEL POWDERS; GOLD; NANOPARTICLES; SIZE; NANOCRYSTALS; NANOPOWDERS; SEEDLESS;
D O I：
10.1016/j.jcrysgro.2009.02.009
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
Metallic Ni powders with different morphologies including icosahedra, microspheres, and flowerlike clusters composed of nanoflakes were successfully fabricated via polyol process. Alkalinity played the key role in the formation of these novel structures. The as-prepared products were characterized by X-ray diffractometry (XRD), field scanning electron microscopy (FESEM), transmission electron microscope (TEM), and selected area electron diffraction (SAED). A layer-by-layer growing process was demonstrated based on the experimental results. Magnetism investigation revealed that icosahedra and clusters exhibited much enhanced coercivity. (c) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：2474 / 2479
页数：6
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