Contrasting dynamic responses of supported Rh nanoparticles to H2S and SO2 and subsequent poisoning of NO reduction by H2

H2S induces rapid sulfidation of the Rh nanoparticles at room temperature and completely poisons NO reduction by H2; SO2 elicits an equally rapid but subtle modification of nanoparticle structure but has little effect upon NO reduction at 523 K.

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Veröffentlicht in:Chemical communications (Cambridge, England) England), 2003-08 (15), p.1906
Hauptverfasser: Newton, Mark A, Dent, Andrew J, Diaz-Moreno, Sofia, Fiddy, Steven G, Jyoti, Bhrat, Evans, John
Format: Artikel
Sprache:eng
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Zusammenfassung:H2S induces rapid sulfidation of the Rh nanoparticles at room temperature and completely poisons NO reduction by H2; SO2 elicits an equally rapid but subtle modification of nanoparticle structure but has little effect upon NO reduction at 523 K.
ISSN:1359-7345
DOI:10.1039/b304001a