CAS OpenIR  > 中科院上海应用物理研究所2004-2010年
Enhanced field emission from nano-graphite coated carbon nanotubes
Li, QT(李勤涛); Ni, ZC(倪志春); Gong, JL(巩金龙); Zhu, DZ(朱德彰); Zhu, ZY(朱志远); Gong, JL (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
2007
Source PublicationNUCLEAR SCIENCE AND TECHNIQUES
ISSN1001-8042
Volume18Issue:5Pages:276
AbstractAn effective method by low energy carbonhydrogen ion treatment to enhance field emission of the carbon nanotubes (CNTs) is demonstrated. Comparing with control, field emission (FE) currents of the CNTs by carbonhydrogen ion irradiation increased, and the turn-on field and the threshold field decreased significantly. The structure characteristic revealed by transmission electron microscopy demonstrates that CNTs are coated by nano-graphite particles after being treated with low energy carbonhydrogen ion and that there are large quantities of defects and grain boundaries in the coated layer. It is considered that the coating layer can decrease the effective surface work function of CNTs and correspondingly increase field emission. In addition, die defects, the grain boundaries and the C-H dipoles forming in the process of the low energy ions irradiation can effectively enhance the field emission.
Subject AreaPhysics
Indexed BySCI
Language英语
Funding Project应物所项目组
WOS IDWOS:000255053100005
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/7717
Collection中科院上海应用物理研究所2004-2010年
Corresponding AuthorGong, JL (reprint author), Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China
Recommended Citation
GB/T 7714
Li, QT,Ni, ZC,Gong, JL,et al. Enhanced field emission from nano-graphite coated carbon nanotubes[J]. NUCLEAR SCIENCE AND TECHNIQUES,2007,18(5):276.
APA Li, QT,Ni, ZC,Gong, JL,Zhu, DZ,Zhu, ZY,&Gong, JL .(2007).Enhanced field emission from nano-graphite coated carbon nanotubes.NUCLEAR SCIENCE AND TECHNIQUES,18(5),276.
MLA Li, QT,et al."Enhanced field emission from nano-graphite coated carbon nanotubes".NUCLEAR SCIENCE AND TECHNIQUES 18.5(2007):276.
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