Thermal characterization of doped polyaniline and its composites with CoPc

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Thermal characterization of doped polyaniline and its composites with CoPc

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Title: Thermal characterization of doped polyaniline and its composites with CoPc
Author: Girijavallabhan, C P; Radhakrishnan, P; V P N Nampoori; Sajan, D George; Saravanan, S; Venkatachalam, S
Abstract: Thermal diffusivity of the composites of camphor sulphonic acid (CSA) doped polyaniline (PANI) and its composites with cobalt phthalocyanine (CoPc) has been measured using open cell photoacoustic technique. Analysis of the data shows that the effective thermal diffusivity value can be tuned by varying the relative volume fraction of the constituents. It is seen that polaron assisted heat transfer mechanism is dominant in CSA doped PANI and these composites exhibit a thermal diffusivity value which is intermediate to that of CSA doped PANI and CoPc. The results obtained are correlated with the electrical conductivity and hardness measurements carried out on the samples.
URI: http://dyuthi.cusat.ac.in/purl/1828
Date: 2004-06-08


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