XPS study on microporous titanosilicate ETS-10 upon acid treatment

Lv, L., Lee, F. Y., Zhou, J., Su, F. and Zhao, X. S. (2006) XPS study on microporous titanosilicate ETS-10 upon acid treatment. Microporous and Mesoporous Materials, 96 1-3: 270-275. doi:10.1016/j.micromeso.2006.07.006

Author Lv, L.
Lee, F. Y.
Zhou, J.
Su, F.
Zhao, X. S.
Title XPS study on microporous titanosilicate ETS-10 upon acid treatment
Journal name Microporous and Mesoporous Materials   Check publisher's open access policy
ISSN 1387-1811
Publication date 2006-11-01
Sub-type Article (original research)
DOI 10.1016/j.micromeso.2006.07.006
Volume 96
Issue 1-3
Start page 270
End page 275
Total pages 6
Place of publication Amsterdam, The Netherlands
Publisher Elsevier BV
Language eng
Formatted abstract
In this work, we studied the structural change of microporous titanosilicate ETS-10 upon post-treatment with nitric acid using X-ray photoelectron spectroscopy (XPS) technique. The experimental results demonstrated that significant leaching of Ti species from the surface of ETS-10 occurred upon acid washing; in the meantime the equilibrium pH of the acidification solution was lowered. Analysis of the Ti 2p and O 1s XPS spectra of the acid-treated ETS-10 samples revealed the formation of tetrahedral Ti species due to Ti leaching from the -O-Ti-O-Ti-O- chains of ETS-10 framework, suggesting that the -O-Ti-O-Ti-O- chains are very sensitive to an acidic environment. © 2006 Elsevier Inc. All rights reserved
Keyword Microporous titanosilicate ETS-10
Acid Treatment
Ray Photoelectron-Spectroscopy
Titanium Silicalite-1
Quantum Wires
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Chemical Engineering Publications
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