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High broad-band photoresponsivity of mechanically formed InSe-graphene van der Waals heterostructures.

ABSTRACT: High broad-band photoresponsivity of mechanically formed InSe-graphene van der Waals heterostructures is achieved by exploiting the broad-band transparency of graphene, the direct bandgap of InSe, and the favorable band line up of InSe with graphene. The photoresponsivity exceeds that for other van der Waals heterostructures and the spectral response extends from the near-infrared to the visible spectrum.

SUBMITTER: Mudd GW 

PROVIDER: S-EPMC4768130 | biostudies-literature | 2015 Jul

REPOSITORIES: biostudies-literature

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High broad-band photoresponsivity of mechanically formed InSe-graphene van der Waals heterostructures.

Mudd Garry W GW   Svatek Simon A SA   Hague Lee L   Makarovsky Oleg O   Kudrynskyi Zakhar R ZR   Mellor Christopher J CJ   Beton Peter H PH   Eaves Laurence L   Novoselov Kostya S KS   Kovalyuk Zakhar D ZD   Vdovin Evgeny E EE   Marsden Alex J AJ   Wilson Neil R NR   Patanè Amalia A  

Advanced materials (Deerfield Beach, Fla.) 20150515 25

High broad-band photoresponsivity of mechanically formed InSe-graphene van der Waals heterostructures is achieved by exploiting the broad-band transparency of graphene, the direct bandgap of InSe, and the favorable band line up of InSe with graphene. The photoresponsivity exceeds that for other van der Waals heterostructures and the spectral response extends from the near-infrared to the visible spectrum. ...[more]

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