Monodisperse nickel nanoparticles in the solvent-free dehydrogenation of dimethylamine borane
Abstract
Monodisperse 1.9 nm Ni nanoparticles (NPs) were in-situ synthesized by simple mechanical stirring of solvent-free mixtures of a nickel(II) chloride and dimethylamine borane (DMAB) under inert gas atmosphere at 25.0 ± 0.1 °C. They were found to be highly active catalyst in hydrogen generation from the solvent-free dehydrogenation of DMAB; totally one equivalent of hydrogen gas per DMAB were generated at low catalyst loading at room temperature. 11B-NMR study of the reaction showed that hydrogen evolution likely takes place through the formation of BH2(μ-Me2N)(μ-H)BH2 (dimethylamino diborane) and (Me2N)2BH (bis(dimethylamino) borane). In this reaction, DMAB was used as both reducing and stabilizing agent. The detailed kinetics of the solvent-free dehydrogenation of DMAB catalyzed by monodisperse Ni NPs were shown to be dependent on catalyst and substrate loading and temperature. © 2015 Hydrogen Energy Publications, LLC. Published by Elsevier Ltd. All rights reserved.
URI
https://www.scopus.com/inward/record.uri?eid=2-s2.0-84937526822&doi=10.1016%2fj.ijhydene.2015.06.093&partnerID=40&md5=9dc0521f0a091cbd21cde7438729953dhttp://acikerisim.bingol.edu.tr/handle/20.500.12898/4734
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