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Kwak, Ja Hun
Molecular Catalysis lab
Research Interests
  • Heterogeneous catalysis, molecular catalysis, ASlumima, zeolites

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N-15(2) formation and fast oxygen isotope exchange during pulsed (NO)-N-15-O-18 exposure of MnOx/CeO2

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Title
N-15(2) formation and fast oxygen isotope exchange during pulsed (NO)-N-15-O-18 exposure of MnOx/CeO2
Author
Szanyi, J.Kwak, Jahun
Keywords
SOOT OXIDATION; DIESEL SOOT; SIMULTANEOUS REMOVAL; MIXED OXIDES; CATALYSTS; CEO2; NOX; COMBUSTION; ADSORPTION
Issue Date
2014-10
Publisher
ROYAL SOC CHEMISTRY
Citation
CHEMICAL COMMUNICATIONS, v.50, no.95, pp.14998 - 15001
Abstract
Pulsing (15)N(18)Oonto an annealed 1% (MnOx)-O-16/(CeO2)-O-16 catalyst resulted in very fast oxygen isotope exchange and N-15(2) formation at 295 K. In the 1st (NO)-N-15-O-18 pulse, due to the presence of large number of surface oxygen defects, extensive (N2O)-N-15-O-18 and N-15(2) formations were observed. In subsequent pulses oxygen isotope exchange dominated as a result of highly labile oxygen in the oxide.
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DOI
10.1039/c4cc05427j
ISSN
1359-7345
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ECHE_Journal Papers
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