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Nickel-Doped Molybdenum Disulfide Nanoparticles Supported by Reduce Graphene Oxide is a Promising Catalyst for Hydrogen Evolution Reaction


Paper Type 
Contributed Paper
Title 
Nickel-Doped Molybdenum Disulfide Nanoparticles Supported by Reduce Graphene Oxide is a Promising Catalyst for Hydrogen Evolution Reaction
Author 
Waqar Uddin and Shafiq Ur Rehm
Email 
vickyfuelche@yahoo.com
Abstract:

By hydrothermal process, a stable electrochemical catalyst for hydrogen evolution reaction (HER) was synthesized based on the nickel doping into molybdenum disulfide nanoparticles supported by reduced graphene oxide (rGO). This ternary composite (Ni-MoS2@rGO) displays a remarkable performance in electrocatalytic HER (506 mV overpotential at a current density of 10 mA•cm-2), which is quite better than a lot of graphenes or MoS2 related catalysts as described in numerous articles. Besides this, our catalyst discloses promising kinetics (Tafel slope of 62.7 mV•dec-1), robust durability (rarely reduce HER activity during a 12-hour test), more electrochemical active sites, higher turnover frequency over each active sites, and better conductivity, ensuring a perfect HER catalyst for industrial applications.

Start & End Page 
1394 - 1403
Received Date 
2021-01-17
Revised Date 
2021-05-22
Accepted Date 
2021-06-10
Full Text 
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Correspondence & Author Name 
Keyword 
electrochemical catalyst, hydrogen evolution, tafel slope, overpotential, current density
Volume 
Vol.48 No.5 (September 2021)
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Chiang Mai Journal of Science

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