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Research Article

Academia Journal of Scientific Research 10(5): 071-077, May 2022
DOI: 10.15413/ajsr.2022.0102
ISSN 2315-7712
2022 Academia Publishing

Abstract


Study of electrical and thermal conductivity of Doped Poly (3,4 –ethylenedioxythiophene)

 

Accepted 19th March, 2022
 

V. S. Bhavale2, S. S. Gadekar2, K.V. Ghodke1 and A. B. Chourasia* 1,2

1Electronic Sci ence Dept., H.P.T. Arts and R.Y.K. Science College, Nashik-422 005, India
2Physics, Department of Physics H.P.T. Arts and R.Y.K. Science College, Nasik-422 005, India.
 


Poly (3,4-ethylenedoixythiophene) (PEDOT) was chemically synthesized and doped using FeCl3 and Camphor Sulfonic Acid (CSA). FTIR results confirmed that synthesized polymer was PEDOT and getting doped with FeCl3 and CSA as desired. XRD analysis indicated that crystal structure gets modified after doping and was also used to calculate crystallinity of samples. It increases after doping by FeCl3, whereas it reduces after doping by CSA. Electrical conductivity (σ) measurements were carried out by four probe method. It was found to be 3.41 X 10-3 S/cm for undoped sample and it increases nearly hundred times after doping. Log σ versus 1/T graph was plotted and it showed metallic nature of undoped PEDOT above 308K and semiconducting nature of both doped samples from room temperature to 383K. Thermal conductivity measurements were carried out using indigenously designed instrument similar to the Lee’s method. Thermal conductivity of all samples was low but it increases after doping and with increase in temperature.


Key words: Poly (3,4-ethylenedoixythiophene), PEDOT, FT-IR, XRD, U-V visible spectroscopy, electrical conductivity, thermal conductivity.
 

This is an open access article published under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Cite this article as:

Bhavale VS, Gadekar SS, Ghodke KV, Chourasia AB  (2022). Study of electrical and thermal conductivity of Doped Poly (3,4 –ethylenedioxythiophene). Acad. J. Sci. Res. 10(5): 071-077.

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