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Accelerated discovery of thermoelectric materials: combinatorial facility and high-throughput measurement of thermoelectric power factor

Garcia-Canadas, Jorge, Adkins, Nicholas J. E., McCain, Stephen, Hauptstein, Bastian, Brew, Ashley, Jarvis, David J. and Gao, Min 2016. Accelerated discovery of thermoelectric materials: combinatorial facility and high-throughput measurement of thermoelectric power factor. ACS Combinatorial Science 18 (6) , pp. 314-319. 10.1021/acscombsci.5b00178

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Abstract

A series of processes have been developed to facilitate the rapid discovery of new promising thermoelectric alloys. A novel combinatorial facility where elements are wire-fed and laser-melted was designed and constructed. Different sample compositions can be achieved by feeding different element wires at specific rates. The composition of all the samples prepared was tested by energy dispersive X-ray spectroscopy (EDS). Then, their thermoelectric properties (power factor) at room temperature were screened in a specially designed new high-throughput setup. After the screening, the thermoelectric properties can be mapped with the possibility of identifying compositional trends. As a proof-of-concept, a promising thermoelectric ternary system, Al–Fe–Ti, has been identified, demonstrating the capability of this accelerated approach.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Engineering
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Publisher: ACS Publications
ISSN: 2156-8952
Date of First Compliant Deposit: 16 September 2016
Date of Acceptance: 28 April 2016
Last Modified: 09 Jul 2019 10:18
URI: http://orca.cf.ac.uk/id/eprint/93158

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