4.8 Article

Nitrogen-Doped Graphene Oxide Quantum Dots as Photocatalysts for Overall Water-Splitting under Visible Light Illumination

Journal

ADVANCED MATERIALS
Volume 26, Issue 20, Pages 3297-+

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/adma.201305299

Keywords

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Funding

  1. National Science Council of Taiwan [101-2221-E-006-243-MY3, 101-2221-E-006-225-MY3, 102-3113-P-006-012, 102-3113-E-006-002]
  2. Aim for the Top-Tier University and Elite Research Center Development Plan of National Cheng Kung University

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Nitrogen-doped graphene oxide quantum dots exhibit both p- and n-type conductivities and catalyze overall water-splitting under visible-light irradiation. The quantum dots contain p-n type photochemical diodes, in which the carbon sp(2) clusters serve as the interfacial junction. The active sites for H-2 and O-2 evolution are the p- and n-domains, respectively, and the reaction mimics biological photosynthesis

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