We report on the thermoelectric properties of the polyaniline hydrochloride as a function of the temperature. In order to stress the influences of both the synthesis and the samples preparation on the thermoelectric efficiency, we have systematically measured the electrical conductivity, the thermopower, and the thermal conductivity. We show that several parameters such as the polymerization temperature and the pressure used to compress powders are crucial in order to optimize the thermoelectric performance. The microscopic origins of the transport coefficients are also discussed. In particular, the overall dataset of the measured electrical conductivity is found to scale onto a master curve involving a unique microscopic length, which coincides with the total bond length of the repeating unit of the polymeric chain. We believe that the drawn conclusions can hold for most of the conducting polymers and are thus potentially generic.
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21 January 2014
Research Article|
January 17 2014
Conductivity scaling and thermoelectric properties of polyaniline hydrochloride
P. Limelette;
P. Limelette
1
Université François Rabelais, Laboratoire GREMAN
, UMR CNRS 7347, Parc de Grandmont, 37200 Tours, France
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B. Schmaltz;
B. Schmaltz
2
Université François Rabelais, Laboratoire PCM2E
, EA 6299, Parc de Grandmont, 37200 Tours, France
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D. Brault;
D. Brault
1
Université François Rabelais, Laboratoire GREMAN
, UMR CNRS 7347, Parc de Grandmont, 37200 Tours, France
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M. Gouineau;
M. Gouineau
1
Université François Rabelais, Laboratoire GREMAN
, UMR CNRS 7347, Parc de Grandmont, 37200 Tours, France
2
Université François Rabelais, Laboratoire PCM2E
, EA 6299, Parc de Grandmont, 37200 Tours, France
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C. Autret-Lambert;
C. Autret-Lambert
1
Université François Rabelais, Laboratoire GREMAN
, UMR CNRS 7347, Parc de Grandmont, 37200 Tours, France
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S. Roger;
S. Roger
1
Université François Rabelais, Laboratoire GREMAN
, UMR CNRS 7347, Parc de Grandmont, 37200 Tours, France
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V. Grimal;
V. Grimal
1
Université François Rabelais, Laboratoire GREMAN
, UMR CNRS 7347, Parc de Grandmont, 37200 Tours, France
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F. Tran Van
F. Tran Van
2
Université François Rabelais, Laboratoire PCM2E
, EA 6299, Parc de Grandmont, 37200 Tours, France
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J. Appl. Phys. 115, 033712 (2014)
Article history
Received:
September 10 2013
Accepted:
December 20 2013
Citation
P. Limelette, B. Schmaltz, D. Brault, M. Gouineau, C. Autret-Lambert, S. Roger, V. Grimal, F. Tran Van; Conductivity scaling and thermoelectric properties of polyaniline hydrochloride. J. Appl. Phys. 21 January 2014; 115 (3): 033712. https://doi.org/10.1063/1.4862640
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