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

被引：4
|
作者：
Gianotti, E
Yoshida, H
Dellarocca, V
Marchese, L
Martra, G
Coluccia, S
机构：
[1] Univ Turin, Dipartimento Chim IFM, I-10125 Turin, Italy
[2] Nagoya Univ, Grad Sch Engn, Dept Appl Chem, Nagoya, Aichi 4648603, Japan
[3] Univ Piemonte Orientale, Dipartimento Sci & Tecnol Avanzate, I-15100 Alessandria, Italy
来源：
RESEARCH ON CHEMICAL INTERMEDIATES | 2003年 / 29卷 / 7-9期
关键词：
photoluminescence; mesoporous silicas; MCM-41; Ti-grafted MCM-41;
D O I：
10.1163/156856703322601708
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Photoluntinescence 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 Ti(IV) ions from those due to silica surface centres.
引用
收藏
页码：681 / 689
页数：9
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