One-dimensional N2 gas inside single-walled carbon nanotubes

被引:16
|
作者
Kramberger, Christian [1 ]
Thurakitseree, Theerapol [1 ]
Koh, Heeyuen [1 ]
Izumi, Yudai [2 ]
Kinoshita, Toyohiko [2 ]
Muro, Takayuki [2 ]
Einarsson, Erik [1 ]
Maruyama, Shigeo [1 ]
机构
[1] Univ Tokyo, Dept Mech Engn, Bunkyo Ku, Tokyo 1138656, Japan
[2] Japan Synchrotron Radiat Res Inst, Sayo, Hyogo 6795198, Japan
关键词
PHOTOCHEMISTRY BEAMLINE BL27SU; MOLECULAR-DYNAMICS; CNX NANOTUBES; ENCAPSULATION; NITROGEN; SPRING-8;
D O I
10.1016/j.carbon.2012.12.026
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
The unexpected presence of a linear arrangement of co-axially oriented N-2 molecules inside aligned single-walled carbon nanotubes is revealed by high resolution near-edge X-ray absorption spectroscopy. The encapsulated N-2 molecules exhibit free stretching vibrations with a long electronic lifetime of the X-ray-excited anti-bonding pi* states. Molecular dynamics simulations confirm that narrow-diameter nanotubes (d < 1 nm) are crucial for stabilizing the linear arrangement of aligned N-2 molecules. (C) 2012 Elsevier Ltd. All rights reserved.
引用
收藏
页码:196 / 201
页数:6
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