Quantitative <sup>67</sup>Zn, <sup>27</sup>Al and <sup>1</sup>H MAS NMR spectroscopy for the characterization of Zn species in ZSM-5 catalysts
Marija Avramovska, D. Freude, Jürgen Haase, Alexander V. Toktarev, Sergei S. Arzumanov, Anton A. Gabrienko, Alexander G. Stepanov
Abstract
The signal of Zn in a tetrahedral environment was detected by 67 Zn MAS NMR spectroscopy for the activated ZnO/H-ZSM-5 zeolite and that of Zn in an octahedral environment was detected for the hydrated Zn 2+ /ZSM-5 and ZnO/H-ZSM-5 zeolites.
Topics & Concepts
ZeoliteZincChemistryZSM-5Molecular sieveInorganic chemistryNuclear magnetic resonance spectroscopySpectroscopyNuclear chemistryIon exchangeMetalCatalysisIonStereochemistryOrganic chemistryQuantum mechanicsPhysicsZeolite Catalysis and SynthesisChemical Synthesis and CharacterizationAdvancements in Battery Materials