MCM-41
Sign in to savethumb|300px|Nitrogen-containing ordered mesoporous carbon with the MCM-41 structure: electron microscopy images taken (a) along and (b) perpendicular to the channel direction. MCM-41 (Mobil Composition of Matter No. 41) is a mesoporous material with a hierarchical structure from a family of silicate and aluminosilicate solids that were first developed by researchers at Mobil Oil Corporation and that can be used as catalysts or catalyst supports.
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thumb|300px|Nitrogen-containing ordered mesoporous carbon with the MCM-41 structure: electron microscopy images taken (a) along and (b) perpendicular to the channel direction. MCM-41 (Mobil Composition of Matter No. 41) is a mesoporous material with a hierarchical structure from a family of silicate and aluminosilicate solids that were first developed by researchers at Mobil Oil Corporation and that can be used as catalysts or catalyst supports.
== Structure == MCM-41 consists of a regular arrangement of cylindrical mesopores that form a one-dimensional pore system. It is characterized by an independently adjustable pore diameter, a sharp pore distribution, a large surface and a large pore volume. The pores are larger than with zeolites and the pore distribution can easily be adjusted. The mesopores have a diameter of 2 nm to 6.5 nm.
Excerpted from Wikipedia’s “MCM-41” article, available under the CC BY-SA 4.0 licence.