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- W4297896045 abstract "The speed of the oxygen evolution reaction seriously affects the hydrogen production efficiency of water electrolysis. Hence it is crucial to develop efficient and durable OER electrocatalysts. Construction of heterojunction catalysts is also one of the strategies to develop efficient catalysts. In this paper, a pea-like Cu/Cu 2 S–C3 Mott−Schottky electrocatalyst was self-constructed by vapor deposition, while CF (copper foam) was used as substrate material and copper source, and thiourea was served as sulfur source. The built-in electric field is formed at the metal-semiconductor interface, which endows it with promising electrocatalytic performance. As the working electrode, the overpotentials of Cu/Cu 2 S–C3 required to reach the current density of 10 and 50 mA cm −2 were about 170 and 335 mV. The impact of the Mott-Schottky structure on the catalyst was also reflected in stability. The i-t tests of the sample Cu/Cu 2 S–C3 were carried out under 10 and 60 mA cm −2 and performed well. • A facile vapor deposition method to prepare Mott-Schottky electro-catalysts. • Self-construction of pea-like Cu/Cu 2 S–C3 Mott−Schottky electrocatalyst on CF. • The built-in electric field significantly boosted electrocatalytic performance. • Cu/Cu 2 S–C3 exhibits a low overpotential of 170 mV at 10 mA cm −2 ." @default.
- W4297896045 created "2022-10-01" @default.
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- W4297896045 date "2022-10-01" @default.
- W4297896045 modified "2023-09-29" @default.
- W4297896045 title "Self-construction of pea-like Cu/Cu2S Mott-Schottky electrocatalyst for the oxygen evolution reaction" @default.
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- W4297896045 doi "https://doi.org/10.1016/j.ijhydene.2022.08.232" @default.
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