Porous Silicon and Thermoelectrics

Chao, Yimin (2016) Porous Silicon and Thermoelectrics. In: Handbook of Porous Silicon. Springer. ISBN 978-3-319-04508-5

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Abstract

The motivation for, and performance of, silicon nanostructures including porous silicon in thermoelectrics is reviewed. A high thermoelectric figure of merit ZT ~1 has been achieved with a single silicon nanowire and ZT ~0.5 for a porous nanowire array. Very high Seebeck coefficients (3.2 mVK−1) have been achieved in compressed nanoparticles. Data is also presented relevant to two key factors limiting performance in bulk powders. The original size of silicon particles has a significant effect on the thermal conductivities of densified pellets. The intrinsic low electric conductivity can be improved by doping either nanocrystals or surface conductive ligands.

Item Type: Book Section
Uncontrolled Keywords: porous silicon,nanowire,nanostructure,thermoelectrics,seebeck coefficient
Faculty \ School: Faculty of Science > School of Chemistry
Depositing User: Pure Connector
Date Deposited: 05 Jan 2017 00:03
Last Modified: 25 Oct 2020 00:06
URI: https://ueaeprints.uea.ac.uk/id/eprint/61919
DOI: 10.1007/978-3-319-04508-5_110-1

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