Preparation and characterization of a conducting nanocomposite of polyN-vinylcarbazole with acetylene black

被引：38

作者：

Ballav, N ^{[1
]}

Maity, A ^{[1
]}

Biswas, M ^{[1
]}

机构：

[1] Presidency Coll, Dept Chem, Kolkata, W Bengal, India

来源：

MATERIALS CHEMISTRY AND PHYSICS | 2004年 / 87卷 / 01期

关键词：

acetylene black; polyN-vinylcarbazole; polymerization; composite; thermal stability; conductivity;

D O I：

10.1016/j.matchemphys.2004.05.006

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

N-Vinylcarbazole was polymerized by acetylene black alone in melt (similar to65degreesC) or in toluene medium and a polyN-vinylearbazole-acetylene black composite was isolated from the reaction medium. The formation of polyN-vinylcarbazole and its presence in the composite was endorsed by FTIR analysis. The scanning electron micrographs of polyN-vinylcarbazole-acetylene black composite revealed formation of lumpy aggregates. Transmission electron microscopic analysis indicated that the composite comprised globular particles in the 100-200 nm range. Thermogravimetric analyses demonstrated the enhanced stability of the nanocomposite relative to the base polymer. The d.c. conductivity of the composite was in the order of 10(-2) S cm(-1), a value that was higher than the conductivity of the base polymer [10(-12)-10(-16)Scm(-1)]. (C) 2004 Elsevier B.V. All rights reserved.

引用

页码：120 / 126

页数：7

共 35 条

[1] CONDUCTING POLYMER COLLOIDAL SILICA COMPOSITES [J].