Journal
CHEMISTRY OF MATERIALS
Volume 27, Issue 1, Pages 352-357Publisher
AMER CHEMICAL SOC
DOI: 10.1021/cm504076n
Keywords
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Funding
- National Basic Research Program of China [2014CB931703]
- Natural Science Foundation of China [51471115, 51171127]
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As a promising catalyst for hydrogen evolution, cobaltous oxide (CoO) with good crystallinity and large surface is highly anticipated to enhance the catalytic performance. Here we present a facile route for the fabrication of porous single-crystal (PS) CoO nanorods (NRs) by gas phase cation exchange of ZnO NRs. The single-crystal structure of ZnO template is well-preserved after the cation exchange, and numerous nanopores form in the PS CoO NRs because of the volume shrinkage. As-synthesized PS CoO NRs exhibit outstanding catalytic activities for NaBH4 hydrolysis in alkaline solutions, outperforming polycrystalline CoO NRs and even noble metal catalysts.
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