4.7 Article

Modification of oxysulfides with two nanoparticulate cocatalysts to achieve enhanced hydrogen production from water with visible light

Journal

CHEMICAL COMMUNICATIONS
Volume 46, Issue 39, Pages 7313-7315

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/c0cc02425b

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Funding

  1. Ministry of Education, Culture, Sports, Science and Technology (MEXT) of Japan
  2. Nippon Sheet Glass Foundation for Materials Science and Engineering
  3. KAITEKI Institute, Inc.

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Modification of oxysulfides, such as Sm(2)Ti(2)S(2)O(5) and Gd(2)Ti(2)S(2)O(5), with nanoparticulate Rh (reduction site) and Ag(2)S (oxidation site) resulted in enhanced H(2) production from water containing Na(2)S and Na(2)SO(3) as electron donors, showing an apparent quantum yield of 8.8% at 440 nm. This was approximately 9 or 160 times the yield achieved using samples modified with Rh or Ag(2)S, respectively.

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