Influence of Aging on Electrical, Optical and Morphological Properties of Polyaniline

被引：9
|
作者：
Shumaila [1 ,2 ]
Lakshmi, G. B. V. S. [3 ]
Alam, Masood [2 ]
Siddiqui, Azher M. [1 ]
Zulfequar, M. [1 ]
Husain, M. [1 ]
机构：
[1] Jamia Millia Islamia, Fac Nat Sci, Dept Phys, New Delhi 110025, India
[2] Jamia Millia Islamia, Fac Engn & Technol, Dept Appl Sci & Humanities, New Delhi 110025, India
[3] Inter Univ Accelerator Ctr, Mat Sci Grp, New Delhi 110067, India
来源：
SCIENCE OF ADVANCED MATERIALS | 2012年 / 4卷 / 02期
关键词：
Polyaniline; Interfacial Polymerisation; Nanorods; Aging; DC Conductivity; UV-Visible; INTERFACIAL POLYMERIZATION; NANOFIBERS; BIPOLARONS; CONDUCTION; METALS;
D O I：
10.1166/sam.2012.1277
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Polyaniline is synthesized by interfacial polymerization method using chloroform and water as two different phases. The obtained powder changes into fibrous material on storing it for a period of 30 days. A change in surface morphology of polyaniline from granular to nanorods has been observed by Scanning Electron Microscopy (SEM). DC conductivity measurements on the polymer have been carried out in the temperature range 300-450 K. The results show increase in the conductivity by three orders of magnitude after aging. UV-Vis spectroscopy is used to study the optical properties, which reveal that the optical band gap decreases on aging.
引用
收藏
页码：227 / 231
页数：5
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