Issue 24, 2009
From the journal:

Journal of Materials Chemistry

Tuning hydrogen production during oxide irradiation through surface grafting†

Mohamad Alam,a   Frédéric Miserque,b   Mitsumasa Taguchi,d   Loic Boulangerc  and  Jean Philippe Renault*a  

* Corresponding authors

a DSM, IRAMIS, SIS2M, Laboratoire de Radiolyse, CNRS, URA 331, Gif/Yvette Cedex, France
E-mail: jprenault@cea.fr

b CEA, DEN, DPC, SCP, LRSI, Gif Sur Yvette Cedex, France

c CEA, DEN, DMN, SRMP, Gif Sur Yvette Cedex, France

d Japan Atomic Energy Agency, Quantum Beam Science Directorate, Environment and Industrial Materials Research Division, Organic Pollutant Removal Technology Group, 1233 Watanuki, Takasaki, Gunma, Japan

Abstract

Hydrogen production by radiolysis of water absorbed on solid is a major problem for nuclear waste management. In the present study, we demonstrate that controlling extreme surface properties of the irradiated material allows a direct tuning of the hydrogen production under irradiation. We achieve this control on a model system (silica fibers) using liquid phase atomic layer deposition (ALD) of titanium or zirconium oxide. The hydrogen production is strongly inhibited by the deposition of a subnanometric layer of titanium oxide, whereas it is amplified upon zirconium oxide grafting.

Graphical abstract: Tuning hydrogen production during oxide irradiation through surface grafting

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Article information

DOI
https://doi.org/10.1039/B901936G
Article type
Paper
Submitted
30 Jan 2009
Accepted
06 Apr 2009
First published
15 May 2009

J. Mater. Chem., 2009,19, 4261-4267

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Tuning hydrogen production during oxide irradiation through surface grafting

M. Alam, F. Miserque, M. Taguchi, L. Boulanger and J. P. Renault, J. Mater. Chem., 2009, 19, 4261 DOI: 10.1039/B901936G

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