1. Phase pure synthesis of iron-nickel nitride nanoparticles: A low cost electrocatalyst for oxygen evolution reaction.
- Author
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Batool, Mariam, Waseem, Amir, Nadeem, Muhammad Amtiaz, and Nadeem, Muhammad Arif
- Subjects
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HYDROGEN evolution reactions , *OXYGEN evolution reactions , *TRANSITION metal nitrides , *NITRIDES , *PRECIOUS metals , *METAL catalysts - Abstract
Synthesis of mixed transition metal nitrides often leads to the formation of more than one phases in the final product. A control over molar ratio of metals (Fe:Ni) along with synthetic strategy is used to form phase pure product (Fe 3 Ni 7 N@C). The synthesized material is used as an efficient and cost-effective electrocatalyst for oxygen evolution reaction (OER). Fe 3 Ni 7 N@C requires a low overpotential of 290 mV to achieve a catalytic current density of 10 mA cm−2 which holds Tafel slope of 40 mV dec−1 superior to the noble metal benchmark catalysts. The physicochemical integrity of Fe 3 Ni 7 N@C is maintained up to 12 h activity as evident from post catalytic characterization. Fe3Ni7N@C nanoparticles for oxygen evolution reaction. [Display omitted] • A control over molar ratio of metals (Fe:Ni) is used to form phase pure product (Fe 0.3 Ni 0.7 N@C). • Fe 0.3 Ni 0.7 N@C is used as an efficient electrocatalyst for oxygen evolution reaction (OER). • Fe 0.3 Ni 0.7 N@C requires a low overpotential of 290 mV to achieve a catalytic current density of 10 mA cm−2. • The physicochemical integrity of Fe 0.3 Ni 0.7 N@C is maintained up to 12 h activity. [ABSTRACT FROM AUTHOR]
- Published
- 2023
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