Synthesis and characterization of TiOxNy assembled in oxynitrided mesoporous silica MCM-41

被引：11
|
作者：
Zheng, S [1 ]
Li, ZP [1 ]
Gao, L [1 ]
机构：
[1] Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, Shanghai 200050, Peoples R China
来源：
MATERIALS CHEMISTRY AND PHYSICS | 2004年 / 85卷 / 01期
关键词：
MCM-41; TiOxNy; nanostructure; nitridation;
D O I：
10.1016/j.matchemphys.2004.01.009
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Titanium oxynitride (TiOxNy) with varying nitrogen contents assembled in the pores of mesoporous material has been achieved by nitriding titania-modified MCM-41 under flowing NH3 atmosphere. XRD, XPS, N-2 adsorption-desorption isotherms and UV-Vis spectra are employed to characterize the structure of the composite materials. The results show that titanium oxynitride is formed and crystallized at 700 degreesC when the nitridation time is 3 h. The MCM-41 host is also nitrided inevitably, while the mesostructure is still preserved. The effects of nitridation temperature on the formation of titanium oxynitride and structure of MCM-41 are systematically discussed. (C) 2004 Elsevier B.V. All rights reserved.
引用
收藏
页码：195 / 200
页数：6
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