Microstructural characterisation and electrical properties of multiwalled carbon nanotubes/glass-ceramic nanocomposites

被引：8
|
作者：
Giovanardi, Roberto [2 ]
Montorsi, Monia [2 ]
Ori, Guido [2 ]
Cho, Johann [1 ]
Subhani, Tayyab [1 ]
Boccaccini, Aldo R. [1 ]
Siligardi, Cristina [2 ]
机构：
[1] Univ London Imperial Coll Sci Technol & Med, Dept Mat, London SW7 2BP, England
[2] Univ Modena & Reggio Emilia, Dept Mat & Environm Engn, Modena, Italy
来源：
JOURNAL OF MATERIALS CHEMISTRY | 2010年 / 20卷 / 02期
关键词：
GLASS MATRIX COMPOSITES; GOLD NANOPARTICLES; DISPERSION; STABILITY; NAFION;
D O I：
10.1039/b914924d
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：
We report on an improved processing method for fabricating multiwalled carbon nanotubes/glass-ceramic nanocomposites based on vanadium doped silicate glass matrices. Starting from the design of a stable aqueous dispersion of CNTs, achieved using a cationic surfactant, the interaction of CNTs with glass particles in suspension was improved using a co-solvent that provided access to nanocomposites exhibiting high quality CNT distribution in the matrix, which was confirmed by detailed micro/nano-structural and morphological characterisation. Considering that very few studies have focused on the functional properties of CNT/glass composites, in the present investigation the electrical resistivity of CNT/glass composites was measured and it was demonstrated that higher electrical conductivity values were obtained compared to previous similar materials fabricated by conventional powder processing.
引用
收藏
页码：308 / 313
页数：6
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