Direct observation of Bronsted acidic sites in dehydrated zeolite H-ZSM5 using DFS-enhanced 27Al MQMAS NMR spectroscopy

被引:72
作者
Kentgens, APM
Iuga, D
Kalwei, M
Koller, H
机构
[1] Univ Nijmegen, Dept Phys Chem Solid State NMR, NSR Ctr, NL-6525 ED Nijmegen, Netherlands
[2] Univ Munster, Inst Phys Chem & Sonderforsch Bereich 458, D-48149 Munster, Germany
关键词
D O I
10.1021/ja005917c
中图分类号
O6 [化学];
学科分类号
0703 ;
摘要
18
引用
收藏
页码:2925 / 2926
页数:2
相关论文
共 16 条
[1]   Very fast MAS and MQMAS NMR studies of the spectroscopically challenging minerals kyanite and andalusite on 400, 500, and 800 MHz spectrometers [J].
Alemany, LB ;
Steuernagel, S ;
Amoureux, JP ;
Callender, RL ;
Barron, AR .
SOLID STATE NUCLEAR MAGNETIC RESONANCE, 1999, 14 (01) :1-18
[2]   Triple, quintuple and higher order multiple quantum MAS NMR of quadrupolar nuclei [J].
Amoureux, JP ;
Fernandez, C .
SOLID STATE NUCLEAR MAGNETIC RESONANCE, 1998, 10 (04) :211-223
[3]   SIMPSON: A general simulation program for solid-state NMR spectroscopy [J].
Bak, M ;
Rasmussen, JT ;
Nielsen, NC .
JOURNAL OF MAGNETIC RESONANCE, 2000, 147 (02) :296-330
[4]   Strategies for extracting NMR parameters from 23Na MAS, DOR and MQMAS spectra.: A case study for Na4P2O7 [J].
Engelhardt, G ;
Kentgens, APM ;
Koller, H ;
Samoson, A .
SOLID STATE NUCLEAR MAGNETIC RESONANCE, 1999, 15 (03) :171-180
[5]   MULTINUCLEAR SOLID-STATE NMR-STUDIES OF BRONSTED SITES IN ZEOLITES [J].
ERNST, H ;
FREUDE, D ;
WOLF, I .
CHEMICAL PHYSICS LETTERS, 1993, 212 (06) :588-596
[6]  
FLANIGEN EM, 1976, AM CHEM SOC MONOGRAP, V171
[7]   SOLID-STATE NUCLEAR-MAGNETIC-RESONANCE STUDIES OF ACID SITES IN ZEOLITES [J].
FREUDE, D ;
ERNST, H ;
WOLF, I .
SOLID STATE NUCLEAR MAGNETIC RESONANCE, 1994, 3 (05) :271-286
[8]   ISOTROPIC SPECTRA OF HALF-INTEGER QUADRUPOLAR SPINS FROM BIDIMENSIONAL MAGIC-ANGLE-SPINNING NMR [J].
FRYDMAN, L ;
HARWOOD, JS .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1995, 117 (19) :5367-5368
[9]   Adsorption of methanol on bronsted acid sites in zeolite H-ZSM-5 investigated by multinuclear solid-state NMR spectroscopy [J].
Hunger, M ;
Horvath, T .
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY, 1996, 118 (49) :12302-12308
[10]   Advantages of double frequency sweeps in static, MAS and MQMAS NMR of spin I=3/2 nuclei [J].
Kentgens, APM ;
Verhagen, R .
CHEMICAL PHYSICS LETTERS, 1999, 300 (3-4) :435-443