Abstract
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.
| Original language | English |
|---|---|
| Pages (from-to) | 3492-3496 |
| Number of pages | 5 |
| Journal | Thin Solid Films |
| Volume | 519 |
| Issue number | 11 |
| DOIs | |
| State | Published - 31 Mar 2011 |
| Externally published | Yes |
Keywords
- Electromagnetic interference
- Experiments for EMI SE
- Intrinsically conductive polymer
- Polyaniline
- Shielding effectiveness
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