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High photoresponse ...
High photoresponse of individual WS2 nanowire-nanoflake hybrid materials
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- Asres, Georgies Alene (author)
- Univ Oulu, Finland
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- Jarvinen, Topias (author)
- Univ Oulu, Finland
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- Lorite, Gabriela S. (author)
- Univ Oulu, Finland
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- Mohl, Melinda (author)
- Univ Oulu, Finland
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- Pitkanen, Olli (author)
- Univ Oulu, Finland
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- Dombovari, Aron (author)
- Univ Oulu, Finland
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- Toth, Geza (author)
- VTT Finland, Finland
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- Lloyd Spetz, Anita (author)
- Linköpings universitet,Sensor- och aktuatorsystem,Tekniska fakulteten,Univ Oulu, Finland
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- Vajtai, Robert (author)
- Rice Univ, TX 77005 USA
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- Ajayan, Pulickel M. (author)
- Rice Univ, TX 77005 USA
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- Lei, Sidong (author)
- Univ Calif Los Angeles, CA 90095 USA
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- Talapatra, Saikat (author)
- Southern Illinois Univ, IL 62901 USA
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- Kordas, Krisztian (author)
- Univ Oulu, Finland
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(creator_code:org_t)
- AMER INST PHYSICS, 2018
- 2018
- English.
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In: Applied Physics Letters. - : AMER INST PHYSICS. - 0003-6951 .- 1077-3118. ; 112:23
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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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.
Subject headings
- NATURVETENSKAP -- Fysik -- Den kondenserade materiens fysik (hsv//swe)
- NATURAL SCIENCES -- Physical Sciences -- Condensed Matter Physics (hsv//eng)
Publication and Content Type
- ref (subject category)
- art (subject category)
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- By the author/editor
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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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show more...
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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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- About the subject
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- NATURAL SCIENCES
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NATURAL SCIENCES
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and Physical Science ...
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and Condensed Matter ...
- Articles in the publication
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Applied Physics ...
- By the university
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Linköping University