Abstract

We report x-ray photoemission spectra (XPS) of slightly hydrated Ni(OH)2. XPS spectra were measured with the Physical Electronics Model 5400 x-ray photoelectron spectrometer using unmonochromatized Mg Kα x rays at two pass energy settings corresponding to analyzer energy resolutions of 1.34 and 0.54 eV. We present the survey spectrum (binding energy range of 0–1100 eV) measured at an analyzer energy resolution of 1.34 eV. Multiplexes of the C, O, and Ni photoemission lines, valence band region, as well as Ni LVV Auger lines were measured at an analzyer energy resolution of 0.54 eV. The slightly hydrated Ni(OH)2 sample was prepared by reacting stoichiometric Ni(NO3)2 with KOH in CO2 free H2O at 35 °C.

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