Enhanced thermoelectric performance of Cs doped BiCuSeO prepared through eco-friendly flux synthesis

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dc.contributor.authorAbdenour, Achour
dc.contributor.authorChen, Kan
dc.contributor.authorReece, Michael J.
dc.contributor.authorHuang, Zhaorong
dc.date.accessioned2017-12-20T13:36:15Z
dc.date.available2017-12-20T13:36:15Z
dc.date.issued2017-11-10
dc.description.abstractThe synthesis of BiCuSeO oxyselenides by a flux method in air has been investigated. A maximum power factor of 230 μWm−1K−2 and a very low thermal conductivity of 0.42 Wm−1K−1 were obtained, leading to a high ZT value of 0.37 at 680 K for pristine BiCuSeO. With Cs doping, a large enhancement in electrical conductivity coupled with a moderate decrease in Seebeck coefficient lead to a power factor of 340 μWm−1K−2 at 680 K. In addition, Cs doping reduced the thermal conductivity further to 0.35 Wm−1K−1 at 680 K. The combination of higher power factor and reduced thermal conductivity results in a high ZT value of 0.66 at 680 K for Bi0.995Cs0.005CuSeO.en_UK
dc.identifier.citationAbdenour Achour, Kan Chen, Michael J. Reece, Zhaorong Huang, Enhanced thermoelectric performance of Cs doped BiCuSeO prepared through eco-friendly flux synthesis. Journal of Alloys and Compounds, Volume 735, 2018, Pages 861-869en_UK
dc.identifier.issn0925-8388
dc.identifier.urihttps://doi.org/10.1016/j.jallcom.2017.11.104
dc.identifier.urihttps://dspace.lib.cranfield.ac.uk/handle/1826/12803
dc.language.isoenen_UK
dc.publisherElsevieren_UK
dc.rightsAttribution-NonCommercial-NoDerivatives 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/4.0/*
dc.subjectBiCuSeOen_UK
dc.subjectThermoelectric materialsen_UK
dc.subjectCs dopingen_UK
dc.subjectFlux synthesisen_UK
dc.subjectThermal conductivityen_UK
dc.titleEnhanced thermoelectric performance of Cs doped BiCuSeO prepared through eco-friendly flux synthesisen_UK
dc.typeArticleen_UK

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