Potassium niobate nanoscrolls incorporating rhodium hydroxide nanoparticles for photocatalytic evolution

Year: 2008 DOI: 10.1039.B812003J

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Renzhi Ma, Yoji Kobayashi, W. Justin Youngblood, Thomas E. Mallouk.   Journal of Materials Chemistry, 2008, 18, 5982-5985.


Well-dispersed   (below 1 nm) were deposited into the interlayer galleries of scrolled K4Nb6O17nanosheets. The unmodified nanoscrolls are good  for UV light-driven hydrogen evolution from aqueous methanol solutions, and their activity can be significantly improved by anchoring a small amount (0.1 wt% Rh) of Rh(OH)3or Rh2O3 to the surface. The high hydrogen generation rate achieved in this system, 1480 µmol/h per 1g of , shows promise towards overall  splitting using these catalytic composites.