Carbon crooked nanotube layers of polyethylene: Synthesis, structure and electron emission

被引:24
作者
Chernozatonskii, LA [1 ]
Kukovitskii, EF
Musatov, AL
Ormont, AB
Izraeliants, KR
L'vov, SG
机构
[1] Inst Biochem Phys, Moscow 117334, Russia
[2] Russian Acad Sci, Inst Radio Engn & Elect, Moscow 103907, Russia
[3] Kazan Phys Tech Inst, Kasan 420029, Russia
关键词
nanotubes; pyrolytic deposition; electron microscopy; electrical properties;
D O I
10.1016/S0008-6223(98)00041-4
中图分类号
O64 [物理化学(理论化学)、化学物理学];
学科分类号
070304 ; 081704 ;
摘要
Layers (similar to 1 mu m thick) of crooked carbon nanotubes 20-60 nm in diameter were obtained at 800 degrees C by pyrolysis of polyethylene in He atmosphere using a Ni plate as a catalytic substrate. They were identified by electron microscopy and electron diffraction. Tips of some tubes (similar to 10(6)/cm(2)) come out of the layer. We studied their field electron emission at 10(-9) torr vacuum. 1-10 mA/cm(2) current density was observed at 4-10 V/mu m (V similar to 100-250 V). (C) 1998 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码:713 / 715
页数:3
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