Citation: XIAO Xue-Qing, SUN Qian-Ping, LIU Fang, ZHENG Ying, LIN Jin-Huo. Synthesis and Characterization of Titanium-doped Ordered Mesoporous Alumina[J]. Chinese Journal of Structural Chemistry, ;2014, 33(3): 490-497. shu

Synthesis and Characterization of Titanium-doped Ordered Mesoporous Alumina

a.
a. Fujian Key Laboratory of Polymer Materials, Fujian Normal University, Fuzhou 350007, China;
b.
b. College of Material Science and Engineering, Technology of Fujian University, Fuzhou 350108, China

Corresponding author: ZHENG Ying,
Received Date: 29 November 2013
Available Online: 23 February 2014
Fund Project: The authors acknowledge the financial support from the National Natural Science Foundation of China (No. 51103024) (No. 51103024)

Titanium-doped ordered mesoporous alumina with specific structural properties has been prepared by the evaporation induced self-assembly sol-gel method. The results show that the doped titanium helps to stabilize the ordered mesoporous alumina material without influencing the ordered mesoporosity. The textural properties of the obtained sample are related to the amount of doped titanium. When the molar ratio of aluminum to titanium (n(Al)/n(Ti)) is controlled as 10.2, the titanium-doped ordered mesoporous alumina exhibits high surface area (up to 218 m² g^-1), large pore volume (0.42 cm³ g^-1) and narrow pore diameter (6.1 nm) after treating at 900℃, showing high thermal stability. Moreover, the obtained sample calcined at 900℃ still maintains ordered mesoporous structure and exhibits high thermal stability.
- sol-gel growth,
- ordered mesoporous alumina,
- phase transitions,
- thermal properties
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