Effect of alumina additives on the nanostructure and thermal stability of TiO2 with anatase structure

被引：2
|
作者：
Shutilov, A. A. [1 ,2 ,3 ]
Zenkovets, G. A. [1 ,2 ]
Gavrilov, V. Yu. [2 ]
Tsybulya, S. V. [1 ,2 ]
机构：
[1] Novosibirsk State Univ, Pirogova Str 2, Novosibirsk 630090, Russia
[2] RAS, Boreskov Inst Catalysis SB, Lavrentev Ave 5, Novosibirsk 630090, Russia
[3] Novosibirsk State Tech Univ, Karl Marks Ave 20, Novosibirsk 630073, Russia
来源：
MATERIALS TODAY-PROCEEDINGS | 2017年 / 4卷 / 11期
基金：
俄罗斯科学基金会;
关键词：
titania; nanocrystalline structure; thermal stability; textural properties;
D O I：
10.1016/j.matpr.2017.09.034
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Titanium dioxide (anatase) is metastable and can be irreversibly converted to rutile phase at the temperatures higher than 700 degrees C. This conversion is accompanied by a significant decrease in the surface area and by the change of the pore structure. Doping of TiO2 with alumina leads to the formation of the nanocrystalline anatase structure characterized the higher thermal stability. Increasing the thermal stability of anatase phase promotes the higher specific surface area and developed porous structure compared to a pure anatase with a well-ordered structure. (C) 2017 Published by Elsevier Ltd.
引用
收藏
页码：11486 / 11489
页数：4
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