4.6 Article

Investigation of charge transfer in Au nanoparticle-ZnO nanosheet composite photocatalysts

Journal

PHYSICAL CHEMISTRY CHEMICAL PHYSICS
Volume 14, Issue 42, Pages 14492-14494

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c2cp41833a

Keywords

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Funding

  1. National Science Council in Taiwan [NSC 99-2221-E-006-198-MY3, NSC 98-2923-E006-003-MY3]
  2. Russian Foundation for Basic Research (RFBR) [09-02-92013]

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Ohmic contact formation at the interface of the Au nanoparticle (NP)-ZnO nanosheet (NS), which facilitates photoelectron transfer from ZnO NSs to Au NPs, is determined by scanning Kelvin microscopy for the first time. Reduction of charge recombination in the ZnO NSs confirmed by the quench of green band emission results in the enhancement of photocatalytic activity of the Au NP-ZnO NS composite.

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