Catalytic hydrogen generation from hydrolysis of ammonia borane using octahedral Au@Pt nanoparticles

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Hydrogen generation from hydrolysis of ammonia borane was investigated using octahedral Au@Pt nanoparticles (NPs) as catalysts. The octahedral Au@Pt NPs were synthesized via a polyol method. Pt NPs were fabricated on the octahedral Au NPs with different atomic ratios of Pt to Au and at different temperatures. The presence of poly(diallyldimethylammonium chloride) as a capping agent is crucial for the successful formation of Pt NPs on the Au nanooctahedra. The synthesized octahedral Au@Pt NPs showed a moderate performance of hydrogen generation from hydrolysis of NH3BH3. The highest catalytic activity of the Au@Pt NPs for the hydrogen generation was observed with activation energy of 44.28 kJ/mol when the Pt coverage on the Au NPs was optimized at the Pt/ Au ratio of 1 and the Pt synthetic temperature of 160 degrees C.
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Issue Date
2015-12
Language
English
Article Type
Article
Keywords

GOLD NANO-OCTAHEDRA; STORAGE MATERIALS; DEHYDROGENATION; REDUCTION; PALLADIUM; NANOCUBES; GROWTH; CO

Citation

INTERNATIONAL JOURNAL OF HYDROGEN ENERGY, v.40, no.46, pp.16316 - 16322

ISSN
0360-3199
DOI
10.1016/j.ijhydene.2015.09.119
URI
http://hdl.handle.net/10203/207831
Appears in Collection
NE-Journal Papers(저널논문)
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