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Charge Transport and Contact Resistance in Coplanar Devices Based on Colloidal Polyaniline Dispersion
Authors: Masillamani Appan Merari | Peřinka Nikola | Hajna Milena | Stejskal Jaroslav | Tondelier Denis | Bonnassieux Yvan | Vanel Jean-Charles | Geffroy Bernard | Mencaraglia Denis
Year: 2016
Type of publication: článek v odborném periodiku
Name of source: Journal of Polymer Science Part B : Polymer Physics
Publisher name: Wiley-Blackwell
Place: Hoboken
Page from-to: 1710-1716
Titles:
Language Name Abstract Keywords
cze Charge Transport and Contact Resistance in Coplanar Devices Based on Colloidal Polyaniline Dispersion 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.
eng Charge Transport and Contact Resistance in Coplanar Devices Based on Colloidal Polyaniline Dispersion 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. charge transport; colloidal dispersion; colloids; conjugated polymers; conductivity; polyaniline; thin films; thin layers

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