期刊
CATALYSIS TODAY
卷 262, 期 -, 页码 141-145出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cattod.2015.08.019
关键词
Ultra-low mass loading; Pt nanoparticles; Atomic layer deposition; Hydrogen evolution reaction; Electrocatalyst
资金
- European Research Council [ThreeDsurface: 240144]
- BMBF [ZIK-3DNanoDevice: 03Z1MN11, Meta-ZIK-BioLithoMorphie: 03Z1M511]
- Alexander von Humboldt Foundation
The ultra-low loading amount of Pt nanoparticles on three-dimensional bacterial cellulose derived carbon nanofibers (BCF) was achieved by using a modified atomic layer deposition (ALD) process for hydrogen evolution reaction (HER). The only 5 cycles of ALD led to a high dispersion of Pt nanoparticles on BCF surfaces with an average size of 2 nm, possessing an as low as 0.87 wt% of mass loading. The HER catalytic performance revealed that the as-prepared Pt/BCF have good catalytic activity and stability. The present work provides a general strategy for minimizing the demand of precious-metal catalysts while maintaining their high catalytic efficiency. (C) 2015 Elsevier B.V. All rights reserved.
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