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Creators/Authors contains: "Kunwar, Deepak"

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  1. ; ; ; ; ; ; ; ; ; ; et al (, ACS Catalysis)
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  2. ; ; ; ; ; ; ; ; ; ; et al (, ACS Catalysis)
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  3. ; ; ; ; ; ; ; ; ; ; et al (, Applied Catalysis A: General)
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  4. ; ; ; ; ; ; ; ; ; ; et al (, Applied Catalysis B: Environmental)
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  5. ; ; ; ; ; ; ; ; ; ; et al (, Nature Catalysis)
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  6. ; ; ; ; ; ; ; ; ; ; et al (, Nature Communications)
    Abstract In this work, we compare the CO oxidation performance of Pt single atom catalysts (SACs) prepared via two methods: (1) conventional wet chemical synthesis (strong electrostatic adsorption–SEA) with calcination at 350 °C in air; and (2) high temperature vapor phase synthesis (atom trapping–AT) with calcination in air at 800 °C leading to ionic Pt being trapped on the CeO 2 in a thermally stable form. As-synthesized, both SACs are inactive for low temperature (<150 °C) CO oxidation. After treatment in CO at 275 °C, both catalysts show enhanced reactivity. Despite similar Pt metal particle size, the AT catalyst is significantly more active, with onset of CO oxidation near room temperature. A combination of near-ambient pressure X-ray photoelectron spectroscopy (NAP-XPS) and CO temperature-programmed reduction (CO-TPR) shows that the high reactivity at low temperatures can be related to the improved reducibility of lattice oxygen on the CeO 2 support. 
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  7. ; ; ; ; ; ; (, Microscopy and Microanalysis)
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  8. ; ; ; ; ; ; ; ; ; (, Applied Catalysis B: Environmental)
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  9. ; ; ; ; ; ; ; ; ; ; et al (, ACS Catalysis)
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  10. ; ; ; ; ; ; ; ; (, The Journal of Physical Chemistry A)
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