Journal
CATALYSIS COMMUNICATIONS
Volume 127, Issue -, Pages 1-4Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.catcom.2019.04.018
Keywords
Molybdenum phosphide; MoP nanotubes; Self-support electrode; Electrocatalytic hydrogen production
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Funding
- Natural Science Foundation of China [21703046]
- Ministry of Science and Technology of China [2016YFF0203803, 2016YFA0200902]
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Development of highly efficient, low-cost and earth-abundant catalysts is considered as a great challenge for water splitting. In this work, MoP nanotubes directly grown on metal Mo plate (MoP NTs/Mo) were firstly synthesized through a simple two-step method and achieved high hydrogen evolution reaction (HER) efficiency in both acid and alkaline electrolytes. At a current density of 10 mA cm(-2), the binder-free electrocatalysts displayed overpotentials of 224 mV and 269 mV in 0.5 M H2SO4 and 1.0 M KOH, respectively. Moreover, the vertically aligned MoP NTs/Mo nanotubes were found highly promising for photo-electrocatalytic applications due to the high specific surface area, short carrier and ion diffusion pathways. Therefore, our work offers a feasible method of fabricating an efficient and low-cost catalyst for water splitting.
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