期刊
CATALYSIS SCIENCE & TECHNOLOGY
卷 7, 期 2, 页码 322-329出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6cy01960a
关键词
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资金
- National Natural Science Foundation of China [21203229, 21673269, 21403272]
- Hundred Talent Program of the Chinese Academy of Sciences
- Hundred Talent Program of Shanxi Province
- Youth Innovation Promotion Association of the Chinese Academy of Sciences
- Natural Science Foundation of Shanxi Province [2014011012-1]
Uniformly dispersed Pt nanoparticles with controlled size and loading supported on multi-walled carbon nanotubes (CNTs) are synthesized by atomic layer deposition (ALD) with (methylcyclopentadienyl) trimethylplatinum (MeCpPtMe3) as the Pt precursor and ozone as the reactant gas. All the ALD-prepared Pt/CNT catalysts with various cycle numbers show excellent catalytic activities towards hydrolysis reaction of ammonia borane (AB), and especially the Pt/CNT catalyst produced with 20 ALD cycles exhibits the highest hydrogen generation rate among the ALD-prepared catalysts, with a total turnover frequency value as high as 416.5 mol(H2) mol(Pt)(-1) min(-1). The porous TiO2 overcoat further improves the durability of the Pt/CNT catalysts while preserving their catalytic activities.
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