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Charge Transport and Contact Resistance in Coplanar Devices Based on Colloidal Polyaniline Dispersion

Appan Merari Masillamani 1, 2 Nikola Perinka 3, 1 Milena Hajna 4 Jaroslav Stejskal 4 Denis Tondelier 1 Yvan Bonnassieux 1 Jean-Charles Vanel 1 Bernard Geffroy 5, 1 Denis Mencaraglia 2
1 LPICM - Laboratoire de physique des interfaces et des couches minces [Palaiseau]
2 GeePs - Laboratoire Génie électrique et électronique de Paris
3 Department of Graphic Arts and Photophysics [University of Pardubice]
4 IMC / CAS - Institute of Macromolecular Chemistry of the Czech Academy of Sciences
5 LICSEN - Laboratoire Innovation en Chimie des Surfaces et NanoSciences
NIMBE UMR 3685 - Nanosciences et Innovation pour les Matériaux, la Biomédecine et l'Energie (ex SIS2M)
Abstract : The charge transport properties of thin films prepared from colloidal dispersion of polyaniline stabilized by poly(N-vinylpyrrolidone) (PANI/PVP) have been investigated. The electrical characterization of coplanar device comprising of gold electrodes and PANI/PVP film deposited by spin coating served to gain insights into the contact and bulk resistance. The films prepared from PANI/PVP colloidal dispersion show high stability over a large temperature range. Temperature dependent measurements in the range from 90 to 350 K reveal that the charge transport can be described by a three-dimensional variable-range hopping mechanism as the dominant mode in the films. The stability of the films cast from dispersion within a large temperature range opens the possibility of the application as a polymer semiconductor layer in sensors and charge-transport interlayer in organic solar cells.
Keywords : charge transport colloidal dispersion colloids con-jugated polymers conductivity polyaniline thin films thin layers
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Journal articles
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https://hal-cea.archives-ouvertes.fr/cea-01347185
Contributor : Serge Palacin <>
Submitted on : Wednesday, July 20, 2016 - 3:26:11 PM
Last modification on : Tuesday, January 19, 2021 - 10:42:01 AM

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CEA | PHEMADIC | GEEPS | CENTRALESUPELEC | UPMC | CNRS | X | LPICM | DSM-IRAMIS | PUBNIMBE | IRAMIS-NIMBE | X-PICM | CEA-UPSAY | INC-CNRS | CEA-DRF | X-DEP-PHYS | SORBONNE-UNIVERSITE | SU-SCIENCES

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Appan Merari Masillamani, Nikola Perinka, Milena Hajna, Jaroslav Stejskal, Denis Tondelier, et al.. Charge Transport and Contact Resistance in Coplanar Devices Based on Colloidal Polyaniline Dispersion. Journal of Polymer Science Part B: Polymer Physics, Wiley, 2016, 54, pp.1710-1716. ⟨10.1002/polb.24074⟩. ⟨cea-01347185⟩

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