Published in
Wiley, Angewandte Chemie International Edition, 31(42), p. 3633-3637, 2003
Wiley, Angewandte Chemie, 31(115), p. 3761-3765, 2003
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High-Temperature Generalized Synthesis of Stable Ordered Mesoporous Silica-Based Materials by Using Fluorocarbon–Hydrocarbon Surfactant Mixtures
,
Defeng Li,
Lan Zhao,
Jiangwei Song,
Xiaoyu Yang,
Nan Li,
Yan Di,
Caijin Li,
Shuo Wu,
Xianzhu Xu,
Xiangju Meng,
Kaifeng Lin,
Feng-Shou Xiao
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Abstract
Highly ordered mesoporous silica materials are hydrothermally synthesized at high temperature by using fluorocarbon-hydrocarbon surfactant mixtures as templates. Because of the high temperature of the synthesis, the obtained materials show complete silica condensation, which give rise to ultra-stabile structures. JLU-20 for example (see TEM image of calcined JLU-20) has a fully condensed mesopore wall with a very high Q4/Q3 ratio of 6.5.