Published in
Royal Society of Chemistry, Chemical Communications, 44(51), p. 9227-9230, 2015
DOI: 10.1039/c5cc01758k
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Structural snapshots of the SCR reaction mechanism on Cu-SSZ-13
Journal article published in 2015 by
Tobias Günter,
Hudson W. P. Carvalho,
Dmitry E. Doronkin,
Thomas Sheppard 
,
Pieter Glatzel,
Andrew J. Atkins,
Julian Rudolph,
Christoph R. Jacob ,
Maria Casapu,
Jan-Dierk Grunwaldt
,
Pieter Glatzel,
Andrew J. Atkins,
Julian Rudolph,
Christoph R. Jacob ,
Maria Casapu,
Jan-Dierk Grunwaldt
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Abstract
The structure of copper sites in Cu-SSZ-13 during NH3-SCR was unravelled by a combination of novel operando X-ray spectroscopic techniques. Strong adsorption of NH3 on Cu, its reaction with weakly adsorbed NO from the gas phase, and slow re-oxidation of Cu(I) were proven. Thereby the SCR reaction mechanism is significantly different to Fe-ZSM-5.