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Water soluble laurate-stabilized ruthenium(0) nanoclusters catalyst for hydrogen generation from the hydrolysis of ammonia-borane: High activity and long lifetime
Date
2009-09-01
Author
DURAP, FEYYAZ
Zahmakiran, Mehmet
Özkar, Saim
Metadata
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This work is licensed under a
Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License
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The simplest amine-borane, considered as solid hydrogen storage material, ammonia-borane (H(3)NBH(3)) can release hydrogen gas upon catalytic hydrolysis under mild conditions. Herein, we report the preparation of a novel catalyst, water dispersible laurate-stabilized ruthenium(0) nanoclusters from the dimethylamine-borane reduction of ruthenium(III) chloride in sodium laurate solution at room temperature. The ruthenium nanoclusters in average size of 2.6 +/- 1.2 nm were isolated from the solution and well characterized by using TEM, XPS, FTIR, and UV-visible electronic absorption spectroscopy, The water dispersible laurate-stabilized ruthenium(0) nanoclusters were found to be highly active and long-live catalyst with a TOF of 75 mol H(2)/mol Ru.min and TTO value of 5900 mol H(2)/mol Ru in the hydrolysis of ammonia-borane at 25.0 +/- 0.1 degrees C.(C) 2009 International Association for Hydrogen Energy. Published by Elsevier Ltd. All rights reserved.
Subject Keywords
Hydrogen
,
Hydrolysis
,
Nanoclusters
,
Ruthenium
,
Catalyst
,
Ammonia-borane
URI
https://hdl.handle.net/11511/62796
Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
DOI
https://doi.org/10.1016/j.ijhydene.2009.06.074
Collections
Department of Chemistry, Article