Photoluminescence study of mesoporous MCM-41 and Ti-grafted MCM-41

被引：0
|
作者：
E. Gianotti
H. Yoshida
V. Dellarocca
L. Marchese
G. Martra
S. Coluccia
机构：
[1] Università de Torino,Dipartimento di Chimica IFM
[2] Nagoya University,Department of Applied Chemistry, Graduate School of Engineering
[3] Università del Piemonte Orientale “A. Avogadro”,Dipartimento Scienze e Tecnologie Avanzate
来源：
Research on Chemical Intermediates | 2003年 / 29卷
关键词：
Photoluminescence; mesoporous silicas; MCM-41; Ti-grafted MCM-41;
D O I：
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中图分类号：
学科分类号：
摘要：
Photoluminescence combined with diffuse reflectance UV—Vis spectroscopy was used to characterise both the pure siliceous MCM-41 and Ti-MCM-41 containing tetrahedral Ti(IV) species anchored onto the inner walls of the siliceous MCM-41. Both Ti-MCM-41 and MCM-41 showed complex photoemission signals and this study allows, for the first time, the distinction of the emission signals of tetrahedral Ti9IV) ions from those due to silica surface centres.
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页码：681 / 689
页数：8
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