Why does NiOOH cocatalyst increase the oxygen evolution activity of α-Fe2O3?
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چکیده
منابع مشابه
Kinetics of light-driven oxygen evolution at α-Fe2O3 electrodes
5 The kinetics of light-driven oxygen evolution at polycrystalline α-Fe2O3 layers prepared by aerosolassisted chemical vapour deposition has been studied using intensity modulated photocurrent spectroscopy (IMPS). Analysis of the frequency-dependent IMPS response gives information about the competition between the 4-electron oxidation of water by photogenerated holes and losses due to electron-...
متن کاملKinetics and mechanism of light-driven oxygen evolution at thin film α-Fe2O3 electrodes.
Rate constants for recombination and hole transfer during oxygen evolution at illuminated α-Fe(2)O(3) electrodes were measured by intensity-modulated photocurrent spectroscopy and found to be remarkably low. Treatment of the electrode with a Co(II) solution suppressed surface recombination but did not catalyse hole transfer. Intermediates in the reaction were detected spectroscopically.
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ژورنال
عنوان ژورنال: The Journal of Chemical Physics
سال: 2019
ISSN: 0021-9606,1089-7690
DOI: 10.1063/1.5063771