4.8 Article

Gold-plasmon enhanced solar-to-hydrogen conversion on the {001} facets of anatase TiO2 nanosheets

Journal

ENERGY & ENVIRONMENTAL SCIENCE
Volume 7, Issue 3, Pages 973-977

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ee43289k

Keywords

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Funding

  1. NSFC [21373051, U1305242, U1033603]
  2. Science and Technology Project of Education Office of Fujian Province of P.R. China [JA12017]
  3. National Basic Research Program of China [2012CB722607]
  4. NTU Start-Up Grant [RG20/09]
  5. Ministry of Education (Singapore), and the research grant
  6. Jiangsu Specially-Appointed Professors Program, China

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A 64-fold improved efficiency of solar-to-hydrogen conversion (SHC) was achieved via exposing Au nanoparticles (NPs) on the {001} facets of anatase TiO2 nanosheets. The SHC follows a surface plasmon resonance-mediated electron injection mechanism, where Au NPs can not only harvest visible light and convert them to free energetic electrons, but promote the SHC by increasing the electron-hole pair formation rate driven by the electromagnetic field formed nearby the semiconductor.

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