XPS study of the NH4-VOx powders
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Vanadium pentoxide samples were prepared by sol-gel method. The starting solution was prepared by mixing vanadium (V) oxytripropoxide (Aldrich) in an anhydrous ethanol as solvent and acetylacetone. By drying the sol at 323 K for 48 h, it transforms via gel into a xerogel powder. Next, the precursor powder was pressed into the disk-shaped pellets. Samples were annealing at 923 K in NH4 atmosphere for time in a range of 1-48h. Composition of prepared samples was measured by XPS method.
提供机构：
Gdańsk University of Technology
创建时间：
2021-07-06
