Enhanced surface area in thermally stable pure mesoporous TiO2

被引：105
作者：
Cabrera, S
El Haskouri, J
Beltrán-Porter, A
Beltrán-Porter, D
Marcos, MD
Amorós, P
机构：
[1] Univ Valencia, Inst Ciencia Mat, Valencia 46071, Spain
[2] Inst Invest Quim UMSA, Lab Solidos & Quim Teor, La Paz, Bolivia
来源：
SOLID STATE SCIENCES | 2000年 / 2卷 / 05期
关键词：
mesoporous materials; Titania;
D O I：
10.1016/S1293-2558(00)00057-1
中图分类号：
O61 [无机化学];
学科分类号：
070301 ; 081704 ;
摘要：
We describe here for the first time the surfactant-assisted synthesis of thermally stable mesoporous pure TiO2 having a high surface area. Our synthetic approach to the chemistry of this system is based on the equilibrium between the hydrolysis and condensation reactions of the inorganic species and the organic-inorganic self-assembling processes. The use of titanatrane complexes helps to retard the hydrolysis and condensation reactions, thus allowing us to overcome the difficulties in preparing titanium dioxide mesoporous materials starting from highly reactive Ti-alkoxides. The mesoporous material has been characterized by TEM, XRD and N-2 adsorption-desorption isotherms and displays a typical wormhole-like pore structure. (C) 2000 Editions scientifiques et medicales Elsevier SAS. All rights reserved.
引用
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页码：513 / 518
页数：6
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