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- W4282914891 abstract "In this work, nickel (Ni) doped Cu-BTC derived CuCoO2 (CCO) was successfully synthesized by a solvothermal method, and the effects of Ni doping concentration (such as 1 at%, 3 at% and 5 at%) on the crystal structure, morphology, composition and oxygen evolution reaction (OER) catalytic performance of CuCoO2 were investigated. X-ray diffraction (XRD), field emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM) and X-ray photoelectron spectroscopy (XPS) were carried out to characterize the crystal structure, morphology and chemical composition of CuCoO2 crystals. The results show that Ni ions have been successfully doped into the CuCoO2 crystal structure and this Ni introduction can reduce its grain size, and 5 at% Ni doped CCO (5NCCO) nanosheets exhibit an average particle size of 386 nm with thicknesses around 28 nm. The optimal Ni@5NCCO electrode needs an overpotential of 409 mV to generate a current density of 10 mA cm-2 and is able to sustain galvanostatic OER electrolysis for 18 hours with only a minor degradation of 30 mV. The enhanced OER performance may be due to the increase in the catalytic activity area and the improvement in conductivity, which is caused by a decrease in grain size and the formation of a porous structure for Ni doped Cu-BTC derived CuCoO2." @default.
- W4282914891 created "2022-06-16" @default.
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- W4282914891 date "2022-01-01" @default.
- W4282914891 modified "2023-10-16" @default.
- W4282914891 title "Effect of nickel doping on the structure, morphology and oxygen evolution reaction performance of Cu-BTC derived CuCoO<sub>2</sub>" @default.
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- W4282914891 doi "https://doi.org/10.1039/d2dt00970f" @default.
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