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Room temperature hydrogen sensing with the graphite/ZnO nanorod junctions decorated with Pt nanoparticles
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SYSNO ASEP 0469441 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Room temperature hydrogen sensing with the graphite/ZnO nanorod junctions decorated with Pt nanoparticles Author(s) Yatskiv, Roman (URE-Y) RID, ORCID
Grym, Jan (URE-Y)
Gladkov, Petar (URE-Y)
Černohorský, Ondřej (URE-Y)
Vaniš, Jan (URE-Y) RID
Maixner, J. (CZ)
Dickerson, J.H. (US)Number of authors 7 Source Title Solid-State Electronics. - : Elsevier - ISSN 0038-1101
Roč. 116, February (2016), s. 124-129Number of pages 6 s. Language eng - English Country GB - United Kingdom Keywords Graphite based junction ; Hydrogen sensor ; Electrophoretic deposition Subject RIV JA - Electronics ; Optoelectronics, Electrical Engineering R&D Projects LD14111 GA MŠMT - Ministry of Education, Youth and Sports (MEYS) GA15-17044S GA ČR - Czech Science Foundation (CSF) Institutional support URE-Y - RVO:67985882 UT WOS 000367542100022 EID SCOPUS 84953637786 DOI https://doi.org/10.1016/j.sse.2015.10.011 Annotation We report on the performance of solution-processed hydrogen sensors based on vertical arrays of ZnO nanorods with Schottky contacts. The vertical arrays of ZnO nanorods are grown by a low temperature hydrothermal method on a seed layer consisting of electrophoretically deposited ZnO nanoparticles. A Schottky contact on the ZnO nanorod arrays is created by the deposition of graphite from a colloidal solution. The structure of the graphite/ZnO nanorod system is shown to be sensitive to hydrogen at room temperature. The hydrogen sensing properties are further enhanced by the decoration of the graphite/ZnO nanorod interface with Pt nanoparticles. The sensing response is improved by a factor of 100, and faster recovery and response times are observed Workplace Institute of Radio Engineering and Electronics Contact Petr Vacek, vacek@ufe.cz, Tel.: 266 773 413, 266 773 438, 266 773 488 Year of Publishing 2017
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