Graphite-like thin sheets with even-numbered layers

被引：12
|
作者：
Nakamura, Maki [1 ]
Kawai, Takazumi [2 ]
Irie, Michiko [1 ]
Yuge, Ryota [2 ]
Iijima, Sumio [1 ,2 ,3 ]
Bandow, Shunji [3 ]
Yudasaka, Masako [1 ]
机构：
[1] Natl Inst Adv Ind Sci & Technol, Nanotube Res Ctr, Tsukuba, Ibaraki 3058565, Japan
[2] NEC Corp Ltd, Fundamental Res Lab, Tsukuba, Ibaraki 3058501, Japan
[3] Meijo Univ, Tenpaku Ku, Nagoya, Aichi 4688502, Japan
来源：
CARBON | 2013年 / 61卷
关键词：
WALL CARBON NANOHORNS;
D O I：
10.1016/j.carbon.2013.05.022
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 graphite-like thin sheets (GLSs) used in this study were prepared by laser ablation of graphite in argon gas. The obtained GLSs were neat, untouched and free-standing. We discovered a new phenomenon with them: even layer numbers (2, 4, 6, and 8) preferentially formed, and their population decreased as the layer number increased. This suggests a new growth mechanism in which single-layer GLSs bend to form bi-layers, and the bi-layers then pile up to form thicker GLSs. The inter-layer distances for bi-layers were about 15% larger than that of bulk graphite, and they approached the bulk value as the layer number increased. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：644 / 647
页数：4
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