Structure of a paramagnetic supermicroporous silica‐based material via a multinuclear solid‐state NMR monitoring | Zendy

Bakhmutov Vladimir I. | Zendy; Shpeizer Boris G. | Zendy; Clearfield Abraham | Zendy

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Structure of a paramagnetic supermicroporous silica‐based material via a multinuclear solid‐state NMR monitoring

Author(s) -

Bakhmutov Vladimir I.,

Shpeizer Boris G.,

Clearfield Abraham

Publication year - 2007

Publication title -

magnetic resonance in chemistry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.483

H-Index - 72

eISSN - 1097-458X

pISSN - 0749-1581

DOI - 10.1002/mrc.1927

Subject(s) - paramagnetism , chemistry , calcination , relaxation (psychology) , solid state , solid state nuclear magnetic resonance , nmr spectra database , nuclear magnetic resonance , spectral line , crystallography , analytical chemistry (journal) , catalysis , organic chemistry , condensed matter physics , psychology , social psychology , physics , astronomy

The paramagnetic Si/Al material doped with 19.8% (weight) of Mn 2+ has been characterized by the 1 H, 13 C, 27 Al, 29 Si MAS NMR spectra and the 1 H, 29 Si T 1 MAS relaxation measurements as a gel dried at 130 °C and as samples calcined at 504, 540 and 650 °C. It has been demonstrated that in spite of strong paramagnetic effects, NMR monitoring in combination with 29 Si T 1 relaxation experiments can be successful for structural descriptions of porous materials. Copyright © 2007 John Wiley & Sons, Ltd.

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