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Fabrication of Transparent, Conductive Phase-segregated ITO/PC Composites

Published online by Cambridge University Press:  01 February 2011

Celeste Mason  and
Rosario Gerhardt
Celeste Mason
Affiliation:
celeste.m@gatech.edu, Georgia Institute of Technology, Materials Science and Engineering, Atlanta, Georgia, United States
Rosario Gerhardt
Affiliation:
rosario.gerhardt@mse.gatech.edu, Georgia Institute of Technology, Materials Science and Engineering, Atlanta, Georgia, United States
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Abstract

Fabrication of transparent, conductive phase-segregated ITO/PC composites was accomplished by compression molding of dry mixed constituents. Mixtures of 50nm indium tin oxide particles in a polycarbonate matrix of compositions ranging from phr = 1.0 to 0.001 were measured by optical and electrical methods. Measured transmittance ranged from 5% to 68% at 400nm, 15% to 80% at 700nm, and averaged 10% to 75% across the visible spectrum. Resistance was measured by impedance spectroscopy. Resistivities of the different composites spanned 10 orders of magnitude. Electrical percolation was found to occur near phr = 0.15.

Keywords

compositetransparent conductorpolymer

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References

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