Issue 48, 2008
From the journal:

Journal of Materials Chemistry

Potassium niobate nanoscrolls incorporating rhodium hydroxidenanoparticles for photocatalytic hydrogen evolution

Renzhi Ma,ab   Yoji Kobayashi,b   W. Justin Youngbloodb  and  Thomas E. Mallouk*b  

* Corresponding authors

a Nanoscale Materials Center, National Institute for Materials Science (NIMS), Namiki 1-1, Tsukuba, Ibaraki, Japan
E-mail: MA.Renzhi@nims.go.jp
Fax: +81 29 854 9061
Tel: +81 29 860 4124

b Department of Chemistry and Materials Research Institute, The Pennsylvania State University, University Park, Pennsylvania, USA
E-mail: tom@chem.psu.edu
Fax: +1 814 863 8403
Tel: +1 814 863 9637

Abstract

Well-dispersed rhodium trihydroxide nanoparticles (below 1 nm) were deposited into the interlayer galleries of scrolled K4Nb6O17nanosheets. The unmodified nanoscrolls are good catalysts 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)3 or Rh2O3 to the surface. The high hydrogen generation rate achieved in this system, 1480 µmol/h per 1g of catalyst, shows promise towards overall water splitting using these catalytic composites.

Graphical abstract: Potassium niobate nanoscrolls incorporating rhodium hydroxide nanoparticles for photocatalytic hydrogen evolution

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Article information

DOI
https://doi.org/10.1039/B812003J
Article type
Paper
Submitted
14 Jul 2008
Accepted
18 Sep 2008
First published
05 Nov 2008

J. Mater. Chem., 2008,18, 5982-5985

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Potassium niobate nanoscrolls incorporating rhodium hydroxide nanoparticles for photocatalytic hydrogen evolution

R. Ma, Y. Kobayashi, W. J. Youngblood and T. E. Mallouk, J. Mater. Chem., 2008, 18, 5982 DOI: 10.1039/B812003J

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