Interfacial charge polarization in Co2P2O7@N, P co-doped carbon nanocages as Mott-Schottky electrocatalysts for accelerating oxygen evolution reaction

[Display omitted] •The Co2P2O7@N,P-C nanocages are prepared via facile ligands exchange reaction.•The Mott-Schottky junction effectively modulated the electronic structure of Co2P2O7.•The Co2P2O7@N,P-C nanocages exhibit superior OER activity and durability.•The DFT calculations demonstrate the rate-...

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