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. 2013 Sep 23;9(18):3031-6.
doi: 10.1002/smll.201202855. Epub 2013 Mar 21.

Oxygen-assisted charge transfer between ZnO quantum dots and graphene

Wenhao Guo  1 , Shuigang Xu, Zefei Wu, Ning Wang, M M T Loy, Shengwang Du
Affiliations

Oxygen-assisted charge transfer between ZnO quantum dots and graphene

Wenhao Guo et al. Small. .

Erratum in

  • Small. 2013 Dec 9;9(23):3914

Abstract

Efficient charge transfer between ZnO quantum dots (QDs) and graphene is demonstrated by decorating ZnO QDs on top of graphene, with the assistance of oxygen molecules from the air. The electrical response of the device to UV light is greatly enhanced, and a photoconductive gain of up to 10(7) can be obtained.

Keywords: ZnO; charge transfer; graphene; oxygen; quantum dots.

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