Journal
MATERIALS LETTERS
Volume 60, Issue 8, Pages 1003-1010Publisher
ELSEVIER
DOI: 10.1016/j.matlet.2005.10.065
Keywords
neutral surfactant; mesoporous tin oxide; high thermal stability; superior mesostructural quality; crystal growth inhibitor
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The first example of mesostructured tin(IV) oxide that shows very large specific surface area and high thermal stability has been prepared using neutral surfactant (tetradecylamine) as template and tetraethylorthosilicate (TEOS) as crystal growth inhibitor. The one-pot synthesis route reported here is facile and effective to produce highly thermal stable mesoporous (average BJH pore size similar to 30 angstrom) tin oxide with small crystals (< 25 A), narrow pore size distribution (PSD), large pore Volume (0.23-0.3 cm(3)/g), and very large specific surface areas (211-339 m(2)/g) upon the removal of organic template at temperatures from 400 to 600 degrees C. The results show that collaborative effects from surfactant template and crystal growth inhibitor (TEOS) are vital in obtaining tin oxide with high mesostructural quality. (c) 2005 Elsevier B.V. All rights reserved.
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