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题名: Observation of high thermionic field emission current density from spun carbon fibers fabricated from multiwall carbon nanotubes
作者: Zheng, ZX(郑中信); Zhang, XY(张晓渝); Zhang, ZP(张志鹏); Tan, RB(谭仁兵); Zhao, JN(赵静娜); Li, QW(李清文); Qin, H(秦华)
通讯作者: Zhang, XY (张晓渝)
刊名: JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS
发表日期: 2015
DOI: 10.1007/s10854-014-2530-x
卷: 26, 期:2, 页:5
收录类别: SCI
部门归属: 先进材料研究部
英文摘要: The spun carbon fibers were fabricated from multi-walled carbon nanotubes by a drawing and twisting method. The thermionic field emission behavior of the carbon fibers was investigated as a function of applied heating power P-H and field emission voltage V-F. The thermal field emission turn-on voltage and threshold voltage are found at electric field E = 2.6 V/mu m and E = 3.0 V/mu m, respectively. It is found that the emission current density, dominated by the field emission mechanism, reached up to J(0) = 1.3 A/cm(2) (P-H = 0 W) and J = 3 A/cm(2) (P-H = 2.0 W) at an emission field of E = 5.0 V/mu m. The lifetime with respect to heating power P-H, exhibiting about 45 h continuous luminescence under a constant P-H = 0.8 W, was investigated in the spun carbon fibers. Our results indicate that high-strength carbon fibers show good performance as a thermionic field emission source.
语种: 英语
JCR小类分区: 三区
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.sinano.ac.cn/handle/332007/3439
Appears in Collections:纳米器件及相关材料研究部_秦华团队_期刊论文
先进材料研究部_李清文团队_期刊论文

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Recommended Citation:
Zheng, ZX,Zhang, XY,Zhang, ZP,et al. Observation of high thermionic field emission current density from spun carbon fibers fabricated from multiwall carbon nanotubes[J]. JOURNAL OF MATERIALS SCIENCE-MATERIALS IN ELECTRONICS,2015,26(2):5.
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