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Article: High Detectivity and Transparent Few-Layer MoS2/Glassy-Graphene Heterostructure Photodetectors

TitleHigh Detectivity and Transparent Few-Layer MoS<inf>2</inf>/Glassy-Graphene Heterostructure Photodetectors
Authors
Keywordsdensity functional theory
photodetectors
MoS 2
heterostructures
glassy-graphene
Issue Date2018
Citation
Advanced Materials, 2018, v. 30, n. 13, article no. 1706561 How to Cite?
Abstract© 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim Layered van der Waals heterostructures have attracted considerable attention recently, due to their unique properties both inherited from individual two-dimensional (2D) components and imparted from their interactions. Here, a novel few-layer MoS2/glassy-graphene heterostructure, synthesized by a layer-by-layer transfer technique, and its application as transparent photodetectors are reported for the first time. Instead of a traditional Schottky junction, coherent ohmic contact is formed at the interface between the MoS2and the glassy-graphene nanosheets. The device exhibits pronounced wavelength selectivity as illuminated by monochromatic lights. A responsivity of 12.3 mA W−1and detectivity of 1.8 × 1010Jones are obtained from the photodetector under 532 nm light illumination. Density functional theory calculations reveal the impact of specific carbon atomic arrangement in the glassy-graphene on the electronic band structure. It is demonstrated that the band alignment of the layered heterostructures can be manipulated by lattice engineering of 2D nanosheets to enhance optoelectronic performance.
DescriptionAccepted manuscript is available on the publisher website.
Persistent Identifierhttp://hdl.handle.net/10722/263086
ISSN
2019 Impact Factor: 27.398
2015 SCImago Journal Rankings: 9.021
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorXu, Hao-
dc.contributor.authorHan, Xiaoyu-
dc.contributor.authorDai, Xiao-
dc.contributor.authorLiu, Wei-
dc.contributor.authorWu, Jiang-
dc.contributor.authorZhu, Juntong-
dc.contributor.authorKim, Dongyoung-
dc.contributor.authorZou, Guifu-
dc.contributor.authorSablon, Kimberley A.-
dc.contributor.authorSergeev, Andrei-
dc.contributor.authorGuo, Zhengxiao-
dc.contributor.authorLiu, Huiyun-
dc.date.accessioned2018-10-08T09:29:18Z-
dc.date.available2018-10-08T09:29:18Z-
dc.date.issued2018-
dc.identifier.citationAdvanced Materials, 2018, v. 30, n. 13, article no. 1706561-
dc.identifier.issn0935-9648-
dc.identifier.urihttp://hdl.handle.net/10722/263086-
dc.descriptionAccepted manuscript is available on the publisher website.-
dc.description.abstract© 2018 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim Layered van der Waals heterostructures have attracted considerable attention recently, due to their unique properties both inherited from individual two-dimensional (2D) components and imparted from their interactions. Here, a novel few-layer MoS2/glassy-graphene heterostructure, synthesized by a layer-by-layer transfer technique, and its application as transparent photodetectors are reported for the first time. Instead of a traditional Schottky junction, coherent ohmic contact is formed at the interface between the MoS2and the glassy-graphene nanosheets. The device exhibits pronounced wavelength selectivity as illuminated by monochromatic lights. A responsivity of 12.3 mA W−1and detectivity of 1.8 × 1010Jones are obtained from the photodetector under 532 nm light illumination. Density functional theory calculations reveal the impact of specific carbon atomic arrangement in the glassy-graphene on the electronic band structure. It is demonstrated that the band alignment of the layered heterostructures can be manipulated by lattice engineering of 2D nanosheets to enhance optoelectronic performance.-
dc.languageeng-
dc.relation.ispartofAdvanced Materials-
dc.subjectdensity functional theory-
dc.subjectphotodetectors-
dc.subjectMoS 2-
dc.subjectheterostructures-
dc.subjectglassy-graphene-
dc.titleHigh Detectivity and Transparent Few-Layer MoS<inf>2</inf>/Glassy-Graphene Heterostructure Photodetectors-
dc.typeArticle-
dc.description.naturelink_to_OA_fulltext-
dc.identifier.doi10.1002/adma.201706561-
dc.identifier.scopuseid_2-s2.0-85041104549-
dc.identifier.volume30-
dc.identifier.issue13-
dc.identifier.spagearticle no. 1706561-
dc.identifier.epagearticle no. 1706561-
dc.identifier.eissn1521-4095-
dc.identifier.isiWOS:000428793600022-
dc.identifier.issnl0935-9648-

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