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Controlled Synthesis of the Tricontinuous Mesoporous Material IBN-9 and Its Carbon and Platinum Derivatives
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2011 (English)In: Chemistry of Materials, ISSN 0897-4756, E-ISSN 1520-5002, Vol. 23, no 16, 3775-3786 p.Article in journal (Refereed) Published
Abstract [en]

Controlled synthesis of mesoporous materials with ultracomplicated pore configurations is of great importance for both fundamental research of nanostructures and the development of novel applications. IBN-9, which is the only tricontinuous mesoporous silica with three sets of interpenetrating three-dimensional channel systems, appears to be an excellent model mesophase for such study. The extensive study of synthesis space diagrams proves mesophase transition among the cylindrical MCM-41, tricontinuous IBN-9 and bicontinuous MCM-48, and also allows a more precise control of phase-pure synthesis. On the other hand, rational design of structure-directing agents offers a possibility to extend the synthesis conditions of IBN-9, as well as tailor its pore size. Moreover, an unprecedented helical,-structure consisting of twisted 3-fold interwoven mesoporous channels is reported here for the first time. The unique tricontinuous mesostructure of IBN-9 has been well-replicated by other functional materials (e.g., carbon and platinum) via a hard-templating synthesis route. The obtained carbon material possesses large surface area (similar to 1900 m(2)/g), high pore volume (1.56 cm(3)/g), and remarkable gas adsorption capability at both cryogenic temperatures and room temperature. The platinum material has an ordered mesostructure composed of highly oriented nanocrystals.

Place, publisher, year, edition, pages
2011. Vol. 23, no 16, 3775-3786 p.
Keyword [en]
mesoporous materials, tricontinuous structure, hard template, surfactant
National Category
Natural Sciences
URN: urn:nbn:se:su:diva-68316DOI: 10.1021/cm2016593ISI: 000293758900027OAI: diva2:477411
authorCount :9Available from: 2012-01-13 Created: 2012-01-03 Last updated: 2012-01-13Bibliographically approved

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Sun, JunliangZou, Xiaodong
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Inorganic and Structural Chemistry
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