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dc.contributor.author Hyun, Cheol-Min -
dc.contributor.author Choi, Jeong-Hun -
dc.contributor.author Lee, Myoung-Jae -
dc.contributor.author Ahn, Ji-Hoon -
dc.date.available 2017-08-10T08:19:22Z -
dc.date.created 2017-08-09 -
dc.date.issued 2017-07 -
dc.identifier.issn 0003-6951 -
dc.identifier.uri http://hdl.handle.net/20.500.11750/4270 -
dc.description.abstract The photo-thermoelectric properties of SnS nanocrystals, two-dimensional materials with an orthorhombic symmetry, were investigated using a focused laser scanning method. The SnS nanocrystals were synthesized by a vapor transport method, and their fundamental material and electrical properties were investigated. Upon shining a laser onto the SnS channel region under a positive source-drain bias, a positive photocurrent was observed due to photo-excited electron-hole pairs. On the other hand, when this external electric field was not applied, a strong photocurrent was observed within the metal electrode region rather than at the metal-semiconductor interface, which indicated that the major mechanism for the photocurrent under zero external bias was a photo-induced thermoelectric effect rather than a photovoltaic effect. Moreover, the Seebeck coefficient of the SnS nanocrystal device was approximately 1735 V/K, which is 3.5 times larger than that of its bulk counterpart. ? 2017 Author(s). -
dc.language English -
dc.publisher American Institute of Physics Inc. -
dc.title Photo-thermoelectric properties of SnS nanocrystals with orthorhombic layered structure -
dc.type Article -
dc.identifier.doi 10.1063/1.4992115 -
dc.identifier.scopusid 2-s2.0-85022196813 -
dc.identifier.bibliographicCitation Applied Physics Letters, v.111, no.1, pp.013104 -
dc.description.isOpenAccess FALSE -
dc.subject.keywordPlus PERFORMANCE -
dc.subject.keywordPlus BULK -
dc.subject.keywordPlus ENHANCEMENT -
dc.subject.keywordPlus FIGURE -
dc.subject.keywordPlus MERIT -
dc.citation.number 1 -
dc.citation.startPage 013104 -
dc.citation.title Applied Physics Letters -
dc.citation.volume 111 -
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Division of Nanotechnology 1. Journal Articles

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