Journal
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
Volume 7, Issue 8, Pages 7960-7968Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acssuschemeng.9b00872
Keywords
Pt-Based catalyst; Bimetallic alloy; Mesoporous structure; Nanotube; Bifunctional electrocatalyst
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Funding
- National Natural Science Foundation of China [21601154, 21776255, 21701141]
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Tailoring the morphology and composition of Pt-based nanostructures is crucial to design high-performance electrocatalysts for direct methanol fuel cells. In this work, we propose a facile strategy to fabricate one-dimensional PtM (M = Co, Ni) mesoporous nanotubes (PtM MNTs), in which F127 and Te nanowires facilitate the formation of mesoporous exteriors and cannular interiors, respectively. Owing to the structural advantages of bimetallic mesoporous nanotube architectonics, the PtM MNTs exhibit superior electrochemical performance for the oxygen reduction reaction and methanol oxidation reaction. The proposed dual-template strategy is highly promising for designing active Pt-based mesoporous nanotubes with desired composition toward various electrocatalytic fields.
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