Structural Characterization of Zeolites by Advanced Solid State NMR Spectroscopic Methods
authors Mafra, L; Vidal-Moya, JA; Blasco, T
editors Webb, GA
nationality International
journal ANNUAL REPORTS ON NMR SPECTROSCOPY, VOL 77
author keywords Zeolite; Zeotype; Al-27 MAS NMR; B-11 MAS NMR; Si-29 MAS NMR; F-19 MAS NMR; Extraframework aluminium; Quadrupolar nuclei; Solid state NMR
keywords NUCLEAR-MAGNETIC-RESONANCE; ECHO DOUBLE-RESONANCE; ANGLE-SPINNING NMR; SI-29 MAS-NMR; INTEGER QUADRUPOLAR NUCLEI; HIGH-RESOLUTION AL-27; STRUCTURE-DIRECTING AGENTS; 3-DIMENSIONAL BONDING CONNECTIVITIES; QUANTUM CROSS-POLARIZATION; H-1/AL-27 TRAPDOR NMR
abstract This review overviews the application of solid state NMR spectroscopy to the structural characterization of silicate, and acidic aluminosilicate and borosilicate zeolites focusing on the utilization of new developed methods. We summarize recent results on the investigations of the distribution of silicon atoms into the zeolite framework, as well as the location of F- anions and formation of pentacoordinated silicon species in zeolites synthesized in fluoride medium. Special attention is paid here to the characterization of framework and extraframework boron and most specially aluminium species and the acid sites in zeolites. In Section 6 of this review, we present the basis and practical aspects of advanced NMR experiments used in the characterization of microporous solids paying special attention to quadrupolar nuclei and other methods based on dipolar interactions.
publisher ELSEVIER SCIENCE BV
issn 0066-4103
isbn 978-0-12-397305-4
year published 2012
volume 77
beginning page 259
ending page 351
digital object identifier (doi) 10.1016/B978-0-12-397020-6.00004-0
web of science category Spectroscopy
subject category Spectroscopy
unique article identifier WOS:000323921200005
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