Micrometer-Sized Mesoporous Silica Spheres Grown帮翻译下

Introduction
The discovery of the M41S family of mesoporous
silicas1,2 has stimulated wide interest in the surfactanttemplated
synthesis of mesoporous materials because
of their potential applications as versatile catalysts,
catalyst supports, separation media, and hosts for
clusters and nanowires. Mesoporous silica molecular
sieves have been prepared by ionic1-4 and neutral5,6
surfactant templating pathways; however, the obtained
mesoporous silicas normally yield irregular agglomerates
consisting of a wide particle size distribution.7
Because the control of the particle morphology and size
of mesoporous silicas could open up new possibilities for
the application of mesoporous silicas as a packing
material in chromatography or as an easy-to-handle
form for catalytic purposes, some recent efforts have
been devoted to the synthesis of mesoporous silica
spheres of defined size. For example, millimeter-siz

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