Synthesis of optical transparent and electrical conductive polymer/nanocarbon composite films by infiltration method |
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Authors: | Ion Sandu Mirela BrasoveanuIon Morjan Ion VoicuFlorian Dumitrache Claudiu-Fleaca TeodorLavinia Gavrila-Florescu |
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Affiliation: | National Institute for Lasers, Plasma and Radiation Physics, Laser Department, Bucharest, Atomistilor 409, P.O. Box-MG-36, Romania |
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Abstract: | Optical transparent and electrical conductive (PMMA)/nanocarbon composite films can be prepared through the infiltration of the polymer between the carbon aggregates of a preformed percolation cluster. This cluster is prepared by Langmuir-Blodgett technique as a thick film (2-20 μm in thickness). The performed direct current electrical measurements have shown that PMMA/Multiwall Nanotubes present a lower electrical surface resistivity and a higher optical transmittance than PMMA/carbon nanoparticles composite films. Much simpler and cheaper than other methods, the infiltration method allowed us to prepare composite films with a 75% in transparency and 1 MΩ/square in surface electrical resistivity. The composite films prepared by infiltration method have a good adhesion to the glass substrates but in some specific conditions can be integrally removed as free-standing films. |
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Keywords: | Composite film Carbon nanoparticles Electrical conductivity Transparency |
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