Centimetre-long single crystalline ZnO fibres prepared by vapour transportation

被引：2

作者：

Ji, Zhen-Guo ^{[1
,2
]}

Hao, Fang ^{[1
]}

Wang, Chao ^{[2
]}

Xi, Jun-Hua ^{[2
]}

机构：

[1] Institute of Electronic Information, Hangzhou Dianzi University

[2] State Key Laboratory for Silicon Materials, Zhejiang University

来源：

| 2008年 / IOP Publishing Ltd卷 / 25期

关键词：

D O I：

10.1088/0256-307X/25/9/100

中图分类号：

学科分类号：

摘要：

Centimetre-long ZnO fibres are synthesized by vapour transportation via thermal evaporation of ZnO powders. The growth process is carried out in a graphite crucible, in which ZnO powder is loaded as the source material, and a silicon wafer is positioned on the top of the crucible as the growth substrate. During the growth process, the source temperature is kept at 800° C, and the substrate temperature is kept at 600° C. Typical growth time to obtain centimetre-long ZnO fibres is 5-10 hours. Scanning electron microscopy (SEM), x-ray diffraction (XRD), transmission electron microscopy (TEM), and selected area electron diffraction (SAED) measurement results show that ZnO fibres are single crystalline with high crystalline quality and very low defects concentration. © 2008 Chinese Physical Society and IOP Publishing Ltd.

引用

页码：3467 / 3469

页数：2

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