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Geometry-based, n-type-enhanced p-type polymer/metal oxide nanocomposites for high-efficiency, high-specificity conductive systems

Published online by Cambridge University Press:  15 January 2014

Riccardo Raccis ,
Laura Wortmann ,
Shaista Ilyas ,
Johannes Schläfer ,
Andreas Mettenbörger  and
Sanjay Mathur
Riccardo Raccis
Affiliation:
Universität zu Köln, Institut für Anorganische Chemie, Greinstrasse 6, 50939 Cologne, Germany
Laura Wortmann
Affiliation:
Universität zu Köln, Institut für Anorganische Chemie, Greinstrasse 6, 50939 Cologne, Germany
Shaista Ilyas
Affiliation:
Universität zu Köln, Institut für Anorganische Chemie, Greinstrasse 6, 50939 Cologne, Germany
Johannes Schläfer
Affiliation:
Universität zu Köln, Institut für Anorganische Chemie, Greinstrasse 6, 50939 Cologne, Germany
Andreas Mettenbörger
Affiliation:
Universität zu Köln, Institut für Anorganische Chemie, Greinstrasse 6, 50939 Cologne, Germany
Sanjay Mathur
Affiliation:
Universität zu Köln, Institut für Anorganische Chemie, Greinstrasse 6, 50939 Cologne, Germany
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Abstract

Hematite (α-Fe2O3) nanoparticles were diffused of two different shapes (spherical and cubical) in PEDOT:PSS matrices below the percolation threshold. Increases in conductivity within a distinct range in concentration were observed in the dark and under simulated solar illumination. The effect was ascribed to a generalized Poole-Frenkel effect in conjunction with basic properties of heterojunctions and electrostatic dipoles, and verified through data fitting. A difference in behaviour between sphere- and cube-based nanocomposites was also observed.

Keywords

polymerelectrical propertiesnanostructure
Type
Articles
Information
MRS Online Proceedings Library (OPL) , Volume 1630: Symposium O – Adaptive Soft Matter through Molecular Networks , 2014 , mrsf13-1630-o3-37
Copyright
Copyright © Materials Research Society 2014 

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References

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