Synthesis and Characterization of  Mesoporous Silica Marterial with Partly-ordered Pore Walls

Chem. J. Chinese Universities ›› 2006, Vol. 27 ›› Issue (2): 208.

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Synthesis and Characterization of Mesoporous Silica Marterial with Partly-ordered Pore Walls

DIAO Lan, SHU An-Shan, ZHANG Da-Liang, DI Yan, QIU Shi-Lun

State Key Laboratory of Inorganic and Preparative Chemistry, College of Chemistry, Jilin University, Changchun 130012, China

Received:2005-01-31 Online:2006-02-10 Published:2006-02-10
Contact: QIU Shi-Lun, E-mail: sqiu@jlu.edu.cn

Abstract

Abstract:

An “improved secondary crystallization” method was firstly proposed to treat mesoporous silica SBA-15. The results of various characterization including XRD, TEM, ED, FTIR and NMR indicate that in the obtained material, the connection of framework atoms are ordered in certain degree, which is different from the conventional amorphous pore wall. Moreover, the highly ordered mesostructure is well maintained via this method. The obtained material shows much better hydrothermal stability than conventional SBA-15.

Key words: Mesoporous material; Secondary crystallization; Hydrothermal stability

CLC Number:

O611.4

TrendMD:

DIAO Lan, SHU An-Shan, ZHANG Da-Liang, DI Yan, QIU Shi-Lun. Synthesis and Characterization of Mesoporous Silica Marterial with Partly-ordered Pore Walls[J]. Chem. J. Chinese Universities, 2006, 27(2): 208.

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Synthesis and Characterization of Mesoporous Silica Marterial with Partly-ordered Pore Walls

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