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High photoresponse ...
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Asres, Georgies AleneUniv Oulu, Finland
(author)
High photoresponse of individual WS2 nanowire-nanoflake hybrid materials
- Article/chapterEnglish2018
Publisher, publication year, extent ...
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AMER INST PHYSICS,2018
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printrdacarrier
Numbers
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LIBRIS-ID:oai:DiVA.org:liu-149353
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https://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-149353URI
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https://doi.org/10.1063/1.5030490DOI
Supplementary language notes
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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Funding Agencies|Academy of Finland; Academy of Finland (Suplacat); University of Oulu (More than Moore Research Community); University of Oulu Graduate School (Infotech Oulu)
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van der Waals solids have been recognized as highly photosensitive materials that compete conventional Si and compound semiconductor based devices. While 2-dimensional nanosheets of single and multiple layers and 1-dimensional nanowires of molybdenum and tungsten chalcogenides have been studied, their nanostructured derivatives with complex morphologies are not explored yet. Here, we report on the electrical and photosensitive properties of WS2 nanowire-nanoflake hybrid materials we developed lately. We probe individual hybrid nanostructured particles along the structure using focused ion beam deposited Pt contacts. Further, we use conductive atomic force microscopy to analyze electrical behavior across the nanostructure in the transverse direction. The electrical measurements are complemented by in situ laser beam illumination to explore the photoresponse of the nanohybrids in the visible optical spectrum. Photodetectors with responsivity up to similar to 0.4 AW(-1) are demonstrated outperforming graphene as well as most of the other transition metal dichalcogenide based devices. Published by AIP Publishing.
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Jarvinen, TopiasUniv Oulu, Finland
(author)
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Lorite, Gabriela S.Univ Oulu, Finland
(author)
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Mohl, MelindaUniv Oulu, Finland
(author)
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Pitkanen, OlliUniv Oulu, Finland
(author)
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Dombovari, AronUniv Oulu, Finland
(author)
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Toth, GezaVTT Finland, Finland
(author)
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Lloyd Spetz, AnitaLinköpings universitet,Sensor- och aktuatorsystem,Tekniska fakulteten,Univ Oulu, Finland(Swepub:liu)anill63
(author)
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Vajtai, RobertRice Univ, TX 77005 USA
(author)
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Ajayan, Pulickel M.Rice Univ, TX 77005 USA
(author)
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Lei, SidongUniv Calif Los Angeles, CA 90095 USA
(author)
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Talapatra, SaikatSouthern Illinois Univ, IL 62901 USA
(author)
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Kordas, KrisztianUniv Oulu, Finland
(author)
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Univ Oulu, FinlandVTT Finland, Finland
(creator_code:org_t)
Related titles
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In:Applied Physics Letters: AMER INST PHYSICS112:230003-69511077-3118
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Asres, Georgies ...
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Jarvinen, Topias
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Lorite, Gabriela ...
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Mohl, Melinda
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Pitkanen, Olli
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Dombovari, Aron
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Toth, Geza
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Lloyd Spetz, Ani ...
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Vajtai, Robert
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Ajayan, Pulickel ...
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Lei, Sidong
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Talapatra, Saika ...
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Kordas, Krisztia ...
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NATURAL SCIENCES
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Applied Physics ...
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Linköping University