A combination of silicon and multi-walled carbon nanotubes with controllable thermoelectric parameters

Walia, S, Sriram, S, Bhaskaran, M, Balendhran, S, Zhuiykov, S and Kalantar Zadeh, K 2012, 'A combination of silicon and multi-walled carbon nanotubes with controllable thermoelectric parameters', in Brendan Griffin, Lorenzo Faraone, Mariusz Martyniuk (ed.) Proceedings of the APMC 10 / ICONN 2012 / ACMM 22, Perth, Australia, 5-9 February 2012, pp. 151-1-151-2.


Document type: Conference Paper
Collection: Conference Papers

Title A combination of silicon and multi-walled carbon nanotubes with controllable thermoelectric parameters
Author(s) Walia, S
Sriram, S
Bhaskaran, M
Balendhran, S
Zhuiykov, S
Kalantar Zadeh, K
Year 2012
Conference name 2012 International Conference on Nanoscience and Nanotechnology
Conference location Perth, Australia
Conference dates 5-9 February 2012
Proceedings title Proceedings of the APMC 10 / ICONN 2012 / ACMM 22
Editor(s) Brendan Griffin, Lorenzo Faraone, Mariusz Martyniuk
Publisher APMC
Place of publication Perth, Australia
Start page 151-1
End page 151-2
Total pages 2
Abstract Silicon (Si) - multi-walled carbon nanotubes (MWNT) composites with controllable thermoelectric properties have been synthesized, which are used as a core material for thermopower wave sources. A thermopower wave results from the coupling of an intense exothermic chemical reaction of a solid fuel with free electrical carriers in conducting or semiconducting materials that produces large bursts of power. Si exhibits a high Seebeck coefficient (~1500 ìV/K), but is rendered inefficient for such sources by its low electrical conductivity. We show that the low electrical conductivity can be increased by introducing MWNTs (106 S/m). In this work, the investigation on the performance of the Si-MWNT based thermopower wave devices is presented, showing that power as large as 4 mW can be obtained.
Subjects Functional Materials
Renewable Power and Energy Systems Engineering (excl. Solar Cells)
Nanoscale Characterisation
Keyword(s) thermopower waves
carbon nanotubes
silicon nanopowders
voltage generation
nanotechnology enabled devices
functional materials and microsystems
Copyright notice © 2012 APMC
ISBN 9781740522458
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