Single-crystal star-like zinc oxide: synthesis, characterization and growth mechanism

被引:7
|
作者
Wang Qingxiao [1 ]
You Liping
Zhang Xinzheng
Wang Rongming
Lv Yuzhen
Guo Lin
机构
[1] Beijing Univ, Sch Phys, Beijing 100871, Peoples R China
[2] Beijing Univ Aeronaut & Astronaut, Sch Sci, Beijing 100083, Peoples R China
[3] Beijing Univ Aeronaut & Astronaut, Sch Mat Sci & Technol, Beijing 100083, Peoples R China
关键词
star-like; single-crystal; solvothermal method; CBED;
D O I
10.1016/S1001-0521(08)60080-7
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
A novel star-like single-crystal ZnO structure was synthesized by a simple solvothermal method. The as-prepared products were characterized by XRD, SEM and TEM. The star-like ZnO, which shows sixfold symmetry, was constructed by six uniform arms distributing symmetrically around the [ 00011 zone axis. It is also found that the arms are not perpendicular to the [00011 zone axis and each arm is grown at a certain angle with the [ 00011 direction. CBED pattern and corresponding simulation demonstrate that the convex part of the star-like ZnO is O-terminated (000-1) plane and the concave part is Zn-terminated (0001) plane. H2S plays a crucial role in the synthesis process. The anisotropic growth habit along [ 00011 and [000-1] results in the formation of star-like structure.
引用
收藏
页码:193 / 199
页数:7
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