Ni(OH)2 nanosheets decorated with FeCoPi on NiO heterostructures: tunable intrinsic electronic structures for improved overall water splitting
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Updated: Jul 6, 2025
Author Spotlight: A Rapid, Microwave-Assisted Hydrothermal Synthesis Of Nickel Hydroxide Nanosheets
Published on: August 18, 2023
Sundaramoorthy Marimuthu1, Ayyavu Shankar1, Govindhan Maduraiveeran1
1Materials Electrochemistry Laboratory, Department of Chemistry, College of Engineering and Technology, SRM Institute of Science and Technology, SRM Nagar, Kattankulathur - 603 203, Chengalpattu District, Tamil Nadu, India. maduraig@srmist.edu.in.
Abstract:
Herein, we demonstrate the rational design of 3-dimensional nickel double hydroxide nanosheets decorated with iron-cobalt phosphide on nickel oxide (Ni(OH)2@FeCo1-Pi|NiO) heterostructures for achieving improved overall water splitting. The as-optimized Ni(OH)2@FeCo1-Pi|NiO heterostructures exhibited an overpotential (η) of ∼133 mV and ∼173 mV at 10 mA cm-2 for the oxygen evolution reaction (OER) and the hydrogen evolution reaction (HER), respectively, in an alkaline electrolyte through a tunable electronic interaction and stabilization of the active Ni(OH)2 and FeCoPi interface.
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