Synthesis, characterization, and catalytic properties of mesoporous tin-containing analogs of MCM-41

被引：172
作者：
Chaudhari, K
Das, TK
Rajmohanan, PR
Lazar, K
Sivasanker, S
Chandwadkar, AJ [1 ]
机构：
[1] Natl Chem Lab, Poona 411008, Maharashtra, India
[2] Inst Isotopes, H-1525 Budapest, Hungary
来源：
JOURNAL OF CATALYSIS | 1999年 / 183卷 / 02期
关键词：
D O I：
10.1006/jcat.1999.2394
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Mesoporous stannosilicate molecular sieves with the MCM-41 structure have been synthesized by hydrothermal methods and characterized in detail by elemental analysis, XRD, N-2 adsorption measurements, and UV-visible, IR, C-13 CP/MAS NMR, Si-29 MAS NMR, Sn-119 MAS NMR, and Mossbauer spectroscopic methods. The increase in the unit-cell parameter (XRD), the presence of an absorption band at similar to 208 nm (UV-vis), and Mossbauer spectroscopy suggest the incorporation of Sn into the MCM-41 structure. The Sn-MCM-41 samples catalyze the selective oxidation/epoxidation of organic compounds by aqueous H2O2/tertiary butyl hydroperoxide. (C) 1999 Academic Press.
引用
收藏
页码：281 / 291
页数：11
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