期刊
APPLIED SURFACE SCIENCE
卷 257, 期 9, 页码 4539-4542出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.apsusc.2010.10.092
关键词
ZnO quantum dot; Multiwalled carbon nanotube; Hybrid nanocomposites; Field emission
类别
资金
- Fuzhou University [0460-022308]
In situ growth of ZnO quantum dots (QDs) on the surface of multiwalled carbon nanotube (MWCNTs) was realized via a mild solution-process method, and their application in field emission device was demonstrated. High resolution transmission electron microscopy observation revealed the conjugation between ZnO QDs and MWCNTs. Field emission arrays based on ZnO QD/MWCNT hybrid nanocomposite exhibited significantly improved luminance intensity and emitting dot density when compared with the MWCNT-only arrays. It is proposed that the introduction of the ZnO QDs on the sidewall of MWCNTs can enhance the tunnelling probability, and result in the improved field emission property for the hybrid emitters. (C) 2010 Elsevier B. V. All rights reserved.
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