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Synthesis and characterization of organic-functionalized molecular sieves Ph-SAPO-5 and Ph-SAPO-11 by D. Zhou; X.-B. Luo; H.-L. Zhang; C. Dong; Q.-H. Xia; Z.-M. Liu; F. Deng is a Materials Science article available to read on EtoBox.

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Organic-functionalized molecular sieves silicoaluminophosphates with AFI and AEL topologies have been first hydrothermally synthesized by using 1,4-bis(triethoxysilyl) benzene (BTEB) as unique silicon source. Various techniques have been performed to characterize the structures of the two molecular sieves. Powder XRD, solid-state 13 C CP/MAS NMR, FT-IR, UV-vis, and TGA analysis prove that there are aromatic groups in the final products, and 29 Si MAS NMR spectra demonstrate that two types of 29 Si chemical environments, i.e. organic T-type and inorganic Q-type silicon, coexist in the structures. The contents of organic groups are determined to be high up to 12 wt%.

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Author

D. Zhou; X.-B. Luo; H.-L. Zhang; C. Dong; Q.-H. Xia; Z.-M. Liu; F. Deng

Publisher

Elsevier Science; Elsevier ; Elsevier BV (ISSN 1387-1811)

Published

2009

Language

EN

Field

Materials Science (Physical Sciences)