期刊
THIN SOLID FILMS
卷 519, 期 11, 页码 3492-3496出版社
ELSEVIER SCIENCE SA
DOI: 10.1016/j.tsf.2011.01.093
关键词
Polyaniline; Intrinsically conductive polymer; Electromagnetic interference; Shielding effectiveness; Experiments for EMI SE
类别
资金
- Korea government [MEST 20090080587]
- MKE/KEIT [2008-F-044-02]
- National Research Foundation of Korea [2009-0080587] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
The study aims to investigate the electromagnetic interference (EMI) shielding characteristics and shielding effectiveness (SE) of polyaniline (PANI)-coated films. Free-standing films of emeraldine salt were obtained by PANI-emeraldine base with dode-cylbenzensulfonic acid on a polyethylene terephthalate film. The four-point probe method was employed to measure the electrical resistivity for investigating the electromagnetic characteristics of PANI-coated films. In addition, the SE of the PANI-coated films was measured in two different ways: a flanged coaxial shielding effectiveness test and a shielding effectiveness on the testbed having a box-type chamber equipped with instruments for electromagnetic shielding testing under real conditions. The overall SE measured from experiments was also compared with the approximate SE value calculated from a theoretical method. The present study has shown the possibility of utilizing PANI-coated films as EMI shielding/absorption materials. (C) 2011 Elsevier B.V. All rights reserved.
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