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个人信息Personal Information
教授
博士生导师
硕士生导师
性别：男
毕业院校：中科院上海硅酸盐研究所
学位：博士
所在单位：物理学院
学科：微电子学与固体电子学. 凝聚态物理
办公地点：大连理工大学科技园C座301-1办公室
联系方式：E-mail:jmbian@dlut.edu.cn.
电子邮箱：jmbian@dlut.edu.cn
Conversion Process of ZnO Nano-/Micro-Rods into Nano-/Micro-Tubes and Cathodoluminescence Characterization
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论文类型：期刊论文
发表时间：2011-04-01
发表刊物：JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
收录刊物：Scopus、SCIE、EI
卷号：11
期号：4
页面范围：3711-3715
ISSN号：1533-4880
关键字：ZnO; Nanotube; Cathodoluminescence
摘要：A simple two-steps method has been successfully developed to synthesize ZnO nanotubes. The alkaline etching process was investigated in detail using scanning electron microscopy (SEM) and transmission electron microscopy (TEM). The formation of ZnO nanotube structures was due to the preferential dissolution of the defect-rich top (polar) faces. Cathodoluminescence (CL) was performed on both top and side surfaces of the ZnO tubes. Only the near-band-edge UV emission was observed, implying that the as-grown ZnO nanotubes have a very low concentration of defects. This CL result also provides evidence for explanation of ZnO tubular structure growth.