Mechanical and NH3 sensing properties of long multi-walled carbon nanotube ropes

被引：29
|
作者：
Li, Y. H.
Zhao, Y. M.
Zhu, Y. Q.
Rodriguez, J.
Morante, J. R.
Mendoza, E.
Poa, C. H. P.
Silva, S. R. P.
机构：
[1] Univ Nottingham, Sch Mech Mat & Mfg Engn, Nottingham NG7 2RD, England
[2] Univ Barcelona, Dept Elect Engn, E-08007 Barcelona, Spain
[3] Univ Surrey, Adv Technol Inst, Surrey GU2 7XH, England
来源：
CARBON | 2006年 / 44卷 / 09期
基金：
英国工程与自然科学研究理事会;
关键词：
carbon nanotubes; chemical vapour deposition; scanning electron microscopy; tensile strength; adsorption;
D O I：
10.1016/j.carbon.2005.12.032
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：
Mechanical properties of long multi-walled CNT ropes prepared using the floating catalyst chemical vapour deposition method were tested, obtaining an average tensile strength and Young's modulus of 2 10 MPa and 2.2 GPa, respectively. Furthermore, the ropes showed excellent NH3 detecting sensitivity at both high and low NH3 concentrations. Increasing the temperature, NH3 desorbed from the ropes, indicating an exothermal absorption reaction. (C) 2006 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1821 / 1825
页数：5
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