X-ray induced carbon coating on carbon nanotubes

被引：6
|
作者：
Xie, Tian [1 ]
Bai, Lili [1 ]
Liu, Jinyin [1 ]
Zhao, Guanqi [1 ]
Sun, Xuhui [1 ]
Zhong, Jun [1 ]
机构：
[1] Soochow Univ, Inst Funct Nano & Soft Mat Lab FUNSOM, Jiangsu Key Lab Carbon Based Funct Mat & Devices, Suzhou 215123, Peoples R China
来源：
CARBON | 2013年 / 56卷
基金：
加拿大自然科学与工程研究理事会;
关键词：
SPECTROSCOPY;
D O I：
10.1016/j.carbon.2012.12.080
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 formation of a carbon coating on carbon nanotubes (CNTs) was observed in X-ray microscopy experiments. X-ray absorption near-edge structure (XANES) spectroscopy showed that the coating originated from the lacey carbon on the substrate, which was heated by the X-ray beam and then deposited on CNTs. The coating shows some fingerprint features around the pi* peak of the C 1s XANES spectrum, which were widely observed in literature but attributed to chemical modification or interfacial interaction in carbon nanomaterials. Our results suggest that the X-ray induced coating could be a possible reason for those XANES features. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：385 / 388
页数：4
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