Journal
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
Volume 6, Issue 4, Pages 4481-4485Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acssuschemeng.7b04309
Keywords
Catalytic activity; Hydrothermal tellurization reaction; Oxygen evolution reduction; Nanowire array
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Funding
- National Natural Science Foundation of China [21575137]
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In this Letter, we report the development of hierarchical CoTe2 nanowire array on Ti mesh (CoTe2 NA/TM) via topotactical conversion from its Co(OH)F precursor through hydrothermal tellurization reaction. As a 3D oxygen evolution electrocatalyst, such CoTe2 NA/TM exhibits excellent catalytic activity with an overpotential of 340 mV to attain 50 mA cm(-2) in 1.0 M KOH. Notably, it also exhibits high durability for 25 h.
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