Enhancing the Porosity of Mesoporous Carbon-Templated ZSM-5 by Desilication

Publication: Research - peer-reviewJournal article – Annual report year: 2008

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A tunable desilication protocol applied on a mesoporous ZSM-5 zeolite synthesized by carbon-templating is reported. The strategy enables a systematic manufacture of zeolite catalysts with moderate to very high mesoporosities. Coupling carbon-templating and desilication thus allow for more than a doubling of the original mesopore volume and mesopore surface area. The porosity effect arising from various treatment times and base amounts in the media has been thoroughly mapped. Initially, small mesopores are created, and as desilication strength increases the average mesopore size enhances. Crystallinity of the treated samples is retained, and electron microscopy indicates solely intracrystalline mesoporosity. (
Original languageEnglish
JournalEuropean Journal of Inorganic Chemistry
Publication date2008
Issue33
Pages5185-5189
ISSN1434-1948
DOIs
StatePublished
CitationsWeb of Science® Times Cited: 7

Keywords

  • Desilication, Mesoporous materials, ZSM-5, Zeolites, Carbon-templating
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