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Ion Conducting Studies in PEO:NaI and its Composite: Carrier Density Approach

Author(s):

Kushal Mehrotra, Divya Singh and Bhaskar Bhattacharya*   Pages 1 - 6 ( 6 )

Abstract:


The modulation in electrical conductivity of polymer electrolyte, viz., polyethylene oxide (PEO) complexed with different concentration of sodium iodide is studied. The role of mobility and charge concentration in electrical conductivity of polymer electrolytes is established. The effect on charge concentration, mobility and conductivity of PEO+NaI film by adding three different concentration of silicon is reported. The polarized optical microscopy (POM) is used to study the morphology of the surface of PEO, PEO+NaI films dispersed with Si. The complex impedance spectroscopy (CIS) method is used to measure the electrical conductivity of film.

Keywords:

Polymer electrolyte, charge concentration, mobility, amorphicity, charge association, percolation threshold.

Affiliation:

Department of Physics, MMV, Banaras Hindu University, Varanasi, Department of Physics, MMV, Banaras Hindu University, Varanasi, Department of Physics, MMV, Banaras Hindu University, Varanasi



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