Topotactic synthesis of Co3O4 nanoboxes from Co(OH)2 nanoflakes

被引：18
|
作者：
Tian, Li [1 ,2 ]
Huang, Kelong [2 ]
Liu, Younian [2 ]
Liu, Suqin [2 ]
机构：
[1] Hunan Univ Sci & Technol, Sch Chem & Chem Engn, Xiangtan 411201, Peoples R China
[2] Cent S Univ, Sch Chem & Chem Engn, Changsha 410083, Peoples R China
来源：
JOURNAL OF SOLID STATE CHEMISTRY | 2011年 / 184卷 / 11期
基金：
中国博士后科学基金;
关键词：
Solvothermal synthesis; Crystal morphology; Topotactic growth; LITHIUM-ION BATTERIES; COBALT OXIDE; SELECTIVE SYNTHESIS; MAGNETIC-PROPERTIES; MESOPOROUS CO3O4; NANOWIRE ARRAYS; NANOTUBES; HYDROXIDE; FABRICATION; CONVERSION;
D O I：
10.1016/j.jssc.2011.08.026
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
Hollow nanocubes of spinel Co3O4 with the dimension of 20 nm were successfully prepared via a facile and reproducible solvothermal route. The structure and morphology of Co3O4 nanoboxes were characterized by powder X-ray diffraction (XRD), scanning electron microscopy (SEM) and high-resolution transmission electron microscope (HRTEM) techniques. And a possible growth mechanism of Co3O4 nanoboxes were suggested that solid Co3O4 nanocubes nucleate in-situ and grow epitaxially from hexagonal beta-Co(OH)(2) precursors with the structural matching relationship of [0 0 1] beta-Co(OH)(2)//[1 1 1] Co3O4, and then solid Co3O4 nanocubes gradually hollow and convert to single-crystal nanoboxes owing to Ostwald ripening. (C) 2011 Elsevier Inc. All rights reserved.
引用
收藏
页码：2961 / 2965
页数：5
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