Chemistry Letters
Online ISSN : 1348-0715
Print ISSN : 0366-7022
ISSN-L : 0366-7022
Letter
Direct Hydrothermal Synthesis of Highly Ordered Sn–SBA-15 Mesoporous Materials
Pallavi ShahArumugamangalam V. RamaswamyVeda Ramaswamy
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2006 Volume 35 Issue 8 Pages 860-861

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Abstract

Well-ordered Sn4+-incorporated mesoporous silica SBA-15 samples have been synthesized from tetraethyl orthosilicate (TEOS) and SnCl4 (Si/Sn = 114–15) using nonionic surfactants under a slightly higher pH medium (optimum H2O to HCl molar ratio) and characterized by XRD (an increase in lattice parameter), TEM (no SnO2 species) and UV–vis spectral (absorption at 211 nm) techniques to show that Sn4+ ions are in tetrahedral coordination in Sn–SBA-15.

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© 2006 The Chemical Society of Japan
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