Journal
ACS COMBINATORIAL SCIENCE
Volume 18, Issue 6, Pages 314-319Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acscombsci.5b00178
Keywords
high-throughput; thermoelectric materials; laser processing; combinatorial chemistry; power factor
Funding
- Accelerated Metallurgy Project
- European Commission in the seventh Framework Programme [NMP4-LA-2011-263206]
- European Space Agency
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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 promising thermoelectric ternary system, Al-Fe-Ti, has been identified, demonstrating the capability approach.
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