The role of defects in chemical sensing properties of carbon nanotube films

被引：20
|
作者：
Horvath, Zsolt E. [1 ]
Koos, Antal A. [1 ]
Kertesz, Krisztian [1 ]
Molnar, Gyoergy [1 ]
Vertesy, Gabor [1 ]
Bein, Marton C. [1 ,2 ]
Frigyes, Tamas [1 ,2 ]
Meszaros, Zoltan [1 ,2 ]
Gyulai, Jozsef [1 ]
Biro, Laszlo P. [1 ]
机构：
[1] Res Inst Tech Phys & Mat Sci MFA, H-1121 Budapest, Hungary
[2] Budapest Univ Technol & Econ, H-1111 Budapest, Hungary
来源：
APPLIED PHYSICS A-MATERIALS SCIENCE & PROCESSING | 2008年 / 93卷 / 02期
基金：
匈牙利科学研究基金会;
关键词：
D O I：
10.1007/s00339-008-4843-1
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The electrical resistance of 24 different carbon nanotube (CNT) thin film samples in blowing ambient air and 10 different analyte vapor environments was measured. The effects of the CNT growth method, different chemical treatments, ball milling, sample preparation conditions and Ar+-ion irradiation are compared. Significant differences in the response signal curves as a function of time in the case of the studied sensor/vapor combinations show the important role of the defect structure and attached functional groups in the chemical sensing properties of CNTs.
引用
收藏
页码：495 / 504
页数：10
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