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Encyclopedia of Physical Science and Technology EN009I-420 July 10, 2001 15:8

Mesoporous Materials, Synthesis and Properties 381

applications within high technology electronic equipment. SEE ALSO THE FOLLOWING ARTICLES
The regular system of large channels in mesoporous ma-
terials also offers unique opportunities for the prepara- LIQUID CRYSTALS • MICELLES • MICROPOROUS MATE-
tion of nanostructured composite materials. For exam- RIALS • STOCHASTIC DESCRIPTION OF FLOW IN POROUS
ple, by combining organic polymers with inorganic fillers, MEDIA • SURFACTANTS,INDUSTRIAL APPLICATIONS
the mechanical strength of the polymers can be greatly
enhanced.
Mesoporous materials also have potential use in the BIBLIOGRAPHY
following areas:
Raman, N. K., Anderson, M. T., and Brinker, C. J. (1996). Template-
1. As a stationary phase in normal phase based approaches to the preparation of amorphous, nanoporous silica.
high-performance liquid chromatography (HPLC). Chem. Mat. 8, 1682–1701.
The acidic and/or basic properties of mesoporous Sayari, A. (1996). Catalysis by crystalline mesoporous molecular sieves.
materials are suitable in the chromatographic Chem. Mat. 8, 1840–1752.
Clearfield, A. (1998). Organically pillared micro- and mesoporous ma-
separation of acidic, neutral, and basic compounds.
terials. Chem. Mat. 10, 2801–2810.
2. As hosts for photoinduced electron transfer reactions Moller, K., and Bein, T. (1998). Inclusion chemistry in periodic meso-
in the preparation of uniform nanoscopic products. porous hosts. Chem. Mat. 10, 2950–2963.
For example, 2,4,6-triphenylpyrilium confined in Ying, J. Y., Mehnert, C. P., and Wong, M. S. (1999). Synthesis and appli-
cations of supramolecular-templated mesoporous materials. Angew.
mesoporous silica is an efficient electron transfer
Chem. Int. Ed. 38, 56–77.
agent, and in the presence of long wavelength
Øye, G., Sj¨oblom, J., and St¨ocker, M. (2001). Synthesis, characterisation
radiation it has been used as sensitizer in the and potential applications of new materials in the mesoporous range.
conversion of cis-stilbene to trans-stilbene. Adv. Colloid Interface Sci. 89–90, 439–466.