Noncatalytic synthesis of carbon-nitride nanocolumns by dc magnetron sputtering

被引:11
|
作者
Shalaev, R. V. [1 ]
Ulyanov, A. N. [1 ,2 ]
Prudnikov, A. M. [1 ]
Shin, G. M. [2 ]
Yoo, S. I. [2 ]
Varyukhin, V. N. [1 ]
机构
[1] Ukrainian Acad Sci, Donetsk Inst Phys & Engn, UA-83114 Donetsk, Ukraine
[2] Seoul Natl Univ, Dept Mat Sci & Engn, Seoul 151744, South Korea
关键词
carbon-nitride; nanocolumns; sputtering; THIN-FILMS; MECHANICAL-PROPERTIES; GROWTH; MICROSTRUCTURE; NANOFIBERS; PLASMA; NANOSTRUCTURES; DEPOSITION; NITROGEN;
D O I
10.1002/pssa.200925560
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
Carbon-nitride nanocolumns were produced without catalyst metal by dc magnetron sputtering of a graphite target in pure N(2) gas at pressure of 26.0 Pa on a quartz glass substrate kept at similar to 200 degrees C. The nitrogen/carbon ratio in nanocolumns equals 0.18. Scanning electron microscopy shows that films represent dense nanostructure with columns similar to 70-80 nm in diameter. The main fraction of the nitrogen is sp(2)-coordinated by carbon and enters into the graphene layers as substitutional atoms; the other fraction of the nitrogen facilitates a cross-linking between the graphene layers through sp(3)-coordinated carbon. (C) 2010 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim
引用
收藏
页码:2300 / 2302
页数:3
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