期刊
MICROPOROUS AND MESOPOROUS MATERIALS
卷 101, 期 1-2, 页码 271-278出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.micromeso.2006.12.039
关键词
hydrogen; sorbed phases; model zeolites; structural properties; neutron diffraction
Structural and dynamic properties of confined hydrogen isotopes (H-2, HD, D-2) in model porous materials are investigated by neutron scattering. Among our results concerning the D-2/AlPO4-N family system, we found the structure of confined D-2 in AlPO4-5 to be composed of a quadrimers chain, which is partially commensurate with the inner surface sorption sites. Concerning the zeolite mixture sample composed of AlPO4-54 (40%), AlPO4-8 (40%) and AlPO4-11 (20%), we determined the filling sequences by D-2 molecular sorbate which surprisingly is: AlPO4-11 filling first, AlPO4-54 filling second and filling last, AlPO4-8. (c) 2007 Elsevier Inc. All rights reserved.
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