ceria doped mixed metal oxide nanoparticles as oxidation catalysts: synthesis and their characterization
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2015
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Abstract
Mixed metal nanoparticles (NPs) have attracted significant attention as catalysts for various organic transformations. In this study, we have demonstrated the preparation of nickel–manganese mixed metal oxide NPs doped with X% nano cerium oxide (X = 1, 3, 5 mol%) by a facile co-precipitation technique using surfactant and surfactant free methodologies. The as-synthesized materials were calcined at different temperatures (300 °C, 400 °C, and 500 °C), and were characterized using various spectroscopic techniques, including, FTIR and XRD. SEM analysis, TEM analysis and TGA were employed to evaluate the structural properties of the as-prepared catalyst. These were evaluated for their catalytic behaviour towards the conversion of benzyl alcohol to benzaldehyde, which was used as a model reaction with molecular oxygen as oxidant. Furthermore, the effect of the variation of the percentage of nano ceria doping and the calcination temperature on the performance of as-prepared mixed metal catalysts was also evaluated. The kinetic studies of the reactions performed employing gas chromatographic technique have revealed that the mixed metal oxide catalyst doped with 5% nano ceria displayed excellent catalytc activity, among various catalysts synthesized.
| Reference Key |
sultana2015arabianceria
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| Authors | ;S.S.P. Sultana;D.H.V. Kishore;Mufsir Kuniyil;Mujeeb Khan;Abdulrahman Alwarthan;K.R.S. Prasad;Joselito P. Labis;S.F. Adil |
| Journal | Behavioural brain research |
| Year | 2015 |
| DOI |
10.1016/j.arabjc.2015.05.008
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