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TEM image simulation of mesoporous crystals for structure type identification
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK).
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK).
2011 (English)In: Solid State Sciences, ISSN 1293-2558, E-ISSN 1873-3085, Vol. 13, no 4, 736-744 p.Article in journal (Refereed) Published
Abstract [en]

Software, MesoPoreImage, for transmission electron microscope (TEM) image simulation of mesoporous crystals was developed. MesoPoreImage provides two-dimensional (2D) projected potential distributions along any directions as well as corresponding 2D TEM images calculated from a three-dimensional (3D) density distribution of an ideal mesoporous structure. In order to adjust the contrast of simulated TEM images to that observed, a parameter representing surface roughness on the pore surface is introduced. Simulated TEM images of four typical silica mesoporous crystals, MCM-48, AMS-10, SBA-16 and SBA-6 are shown and compared with observed ones, which shows the usefulness of the software for identification of the mesoporous structure type. A procedure for the identification of structure types of mesoporous crystals by using TEM and the simulation software is fully described.

Place, publisher, year, edition, pages
2011. Vol. 13, no 4, 736-744 p.
Keyword [en]
Mesoporous materials, Mesoporous crystals, TEM image simulation
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:su:diva-68825DOI: 10.1016/j.solidstatesciences.2010.04.028ISI: 000289965900009OAI: oai:DiVA.org:su-68825DiVA: diva2:474134
Note
authorCount :4Available from: 2012-01-09 Created: 2012-01-07 Last updated: 2017-12-08Bibliographically approved

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