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Donor-doped ZnO thin films on mica for fully-inorganic flexible thermoelectrics
Linköping University, Department of Physics, Chemistry and Biology, Thin Film Physics. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Physics, Chemistry and Biology, Semiconductor Materials. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Physics, Chemistry and Biology, Semiconductor Materials. Linköping University, Faculty of Science & Engineering.
Linköping University, Department of Physics, Chemistry and Biology, Thin Film Physics. Linköping University, Faculty of Science & Engineering.ORCID iD: 0000-0003-1785-0864
2019 (English)In: MATERIALS RESEARCH LETTERS, ISSN 2166-3831, Vol. 7, no 6, p. 239-243Article in journal (Refereed) Published
Abstract [en]

The development of fully-inorganic thin flexible materials is important for flexible thermoelectric applications in a wide temperature range, such as harvesting power from hot curved surfaces (e.g. hot pipes). Here, we investigate the thermoelectric properties of a series of ZnO:Ga,Al thin films with varying dopant concentration deposited on flexible mica substrate by atmospheric pressure metalorganic chemical vapor deposition. The films are bendable, while sustaining the high power factor, above 1 x 10(-4)Wm(-1)K(-2) for singly doped Zn0.99Ga0.01O film in a wide temperature range, from room temperature to 400 degrees C. IMPACT STATEMENTFor the first time we demonstrate here that ZnO-film-on-mica can be a promising n-type candidate for fully-inorganic flexible thermoelectrics, especially, for applications at elevated temperatures [GRAPHICS]

Place, publisher, year, edition, pages
TAYLOR & FRANCIS INC , 2019. Vol. 7, no 6, p. 239-243
Keywords [en]
Thermoelectric; ZnO; thin film; fully-inorganic; flexible
National Category
Inorganic Chemistry
Identifiers
URN: urn:nbn:se:liu:diva-157284DOI: 10.1080/21663831.2019.1594427ISI: 000463803400004OAI: oai:DiVA.org:liu-157284DiVA, id: diva2:1323794
Note

Funding Agencies|European Research Council (ERC) under the European Community [335383]; Swedish Research Council (VR) [2016-03365]; Swedish Government Strategic Research Area in Materials Science on Functional Materials at Linkoping University [SFO-Mat-LiU 2009 00971]; Knut and Alice Wallenberg foundation through the Academy Fellow program; Swedish Foundation for Strategic Research (SSF) through the Future Research Leaders 5 program; Swedish Research Council (VR) Marie Sklodowska Curie International Career Grant [2015-00679]; AForsk [14-517]

Available from: 2019-06-12 Created: 2019-06-12 Last updated: 2019-10-21

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Paul, BiplabKhranovskyy, VolodymyrYakimova, RositsaEklund, Per
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