Studies on Heat Diffusion in Selected Conducting Polymers using Probe Beam Deflection and Photoacoustic Techniques

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Studies on Heat Diffusion in Selected Conducting Polymers using Probe Beam Deflection and Photoacoustic Techniques

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dc.contributor.author Thomas P, Zachariah
dc.contributor.author Dr.Abdul Rasheed, T M
dc.date.accessioned 2011-11-30T10:07:22Z
dc.date.available 2011-11-30T10:07:22Z
dc.date.issued 2008-03
dc.identifier.uri http://dyuthi.cusat.ac.in/purl/2573
dc.description Department of Physics, Cochin University of Science and Technology en_US
dc.description.abstract In the present study, radio frequency plasma polymerization technique is used to prepare thin films of polyaniline, polypyrrole, poly N-methyl pyrrole and polythiophene. The thermal characterization of these films is carried out using transverse probe beam deflection method. Electrical conductivity and band gaps are also determined. The effect of iodine doping on electrical conductivity and the rate of heat diffusion is explored.Bulk samples of poyaniline and polypyrrole in powder form are synthesized by chemical route. Open photoacoustic cell configuration is employed for the thermal characterization of these samples. The effect of acid doping on heat diffusion in these bulk samples of polyaniline is also investigated. The variation of electrical conductivity of doped polyaniline and polypyrrole with temperature is also studied for drawing conclusion on the nature of conduction in these samples. In order to improve the processability of polyaniline and polypyrrole, these polymers are incorporated into a host matrix of poly vinyl chloride. Measurements of thermal diffusivity and electrical conductivity of these samples are carried out to investigate the variation of these quantities as a function of the content of polyvinyl chloride. en_US
dc.language.iso en en_US
dc.publisher Cochin University of Science & Technology en_US
dc.subject Heat Diffusion en_US
dc.subject Probe Beam Deflection en_US
dc.subject Polymers en_US
dc.subject Photoacoustic Techniques en_US
dc.subject material characterization en_US
dc.subject photothermal techniques en_US
dc.title Studies on Heat Diffusion in Selected Conducting Polymers using Probe Beam Deflection and Photoacoustic Techniques en_US
dc.type Thesis en_US
dc.contributor.faculty Science en_US


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