Anisotropic conductivity in polyaniline and image processing applications

被引:16
作者
Costolo, M [1 ]
Heeger, AJ [1 ]
机构
[1] UNIAX Corp, Goleta, CA 93117 USA
关键词
anisotropic conductivity; polyaniline; image processing;
D O I
10.1016/S0379-6779(00)00235-6
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
We present methods for obtaining anisotropic conductivity in polyaniline (PANI) thin films. The anisotropy in the conductivity comes from locally altering the form of the PANI through chemical means, converting the conducting salt form of PANI to one of its insulating forms. Measured perpendicular to parallel resistivity ratios are in excess of 10(3)-10(4). By performing this conversion on a two-dimensional pixilated array, we are able to demonstrate basic directional spatial frequency filtering. This is the first demonstration of the Linear Low Pass spatial frequency filter (LLP). (C) 2000 Elsevier Science S.A. All rights reserved.
引用
收藏
页码:85 / 90
页数:6
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