Hydrothermal growth of NiSe2 tubular microcrystals assisted by PVA

被引：40
|
作者：
Fan, Hai [1 ,2 ,3 ]
Zhang, Maofeng [2 ,3 ]
Zhang, Xianwen [2 ,3 ]
Qian, Yitai [2 ,3 ]
机构：
[1] Shandong Agr Univ, Coll Chem & Mat Sci, Tai An 271018, Shandong, Peoples R China
[2] Univ Sci & Technol China, Hefei Natl Lab Phys Sci Microscale, Hefei 230026, Anhui, Peoples R China
[3] Univ Sci & Technol China, Dept Chem, Hefei 230026, Anhui, Peoples R China
来源：
JOURNAL OF CRYSTAL GROWTH | 2009年 / 311卷 / 20期
基金：
中国国家自然科学基金;
关键词：
Crystal morphology; Hydrothermal crystal growth; Selenides; Semiconducting materials; HOLLOW; NANOCRYSTALS; SELENIDES; SPHERES;
D O I：
10.1016/j.jcrysgro.2009.08.005
中图分类号：
O7 [晶体学];
学科分类号：
0702 ; 070205 ; 0703 ; 080501 ;
摘要：
NiSe2 tubular microcrystals assembled of nanoparticles have been prepared via a hydrothermal method in an ethanolamine and water mixed solution assisted by polyvinyl alcohol (PVA). The prepared tubular crystals with hexagonal structure are composed of nanoparticles with average diameter of 30 nm. It was found that the phase of the products could be adjusted by the molar ratio of the reactants (Ni/Se), and the morphology of the products could be greatly influenced by the quantity of surfactant PVA. Based on the experimental results, the possible formation mechanism of NiSe2 tubular microcrystals is also discussed. (C) 2009 Elsevier B.V. All rights reserved.
引用
收藏
页码：4530 / 4534
页数：5
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