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Highly efficient oxygen evolution reaction enabled by phosphorus doping of the Fe electronic structure in iron–nickel selenide nanosheets

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journal contribution
posted on 2021-08-06, 13:00 authored by Yuan Huang, Li-Wen Jiang, Bu-Yan Shi, Kevin M. RyanKevin M. Ryan, Jian-Jun Wang
The electronic structure of active sites is critically important for electrochemical reactions. Here, the authors report a facile approach to independently regulate the electronic structure of Fe in Ni0.75Fe0.25Se2 by P doping. The resulting electrode exhibits superior catalytic performance for the oxygen evolution reaction (OER) showing a low overpotential (238 mV at 100 mA cm−2, 185 mV at 10 mA cm−2) and an impressive durability in an alkaline medium. Additionally, the mass activity of 328.19 A g−1 and turnover frequency (TOF) of 0.18 s−1 at an overpotential of 500 mV are obtained for P─Ni0.75Fe0.25Se2 which is much higher than that of Ni0.75Fe0.25Se2 and RuO2. This work presents a new strategy for the rational design of efficient electrocatalysts for OER.

Funding

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History

Publication

Advanced Science;2101775

Publisher

Wiley and Sons Ltd

Note

peer-reviewed

Other Funding information

National Natural Science Foundation of China, Shandong Provincial Natural Science Foundation, SFI, IRC

Language

English

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