Formation of a Ti-siliceous trimodal material with macroholes, mesopores and zeolitic features via a one-pot templating synthesis
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Abstract
Based on a facile one-pot templating synthesis, using a TS-1 zeolite recipe whereby part of the zeolite structure directing agent is replaced by a mesopore templating agent, a trimodal material is formed. The resulting meso-TSM material combines mesoporosity (Ti-MCM-41) with zeolitic features (TS-1) and a unique sheet-like morphology with uniform macroporous voids (macroholes). Moreover, the macrohole formation, mesoporosity and zeolitic properties of the meso-TSM material can be controlled in a straightforward way by adjusting the length of the hydrothermal treatment. This newly developed material may imply great potential for catalytic redox applications and diffusion limitated processes because of its highly tunable character in all three dimensions (micro-, meso- and macroporous scale).
Keywords
Combined zeolitic/mesoporous materials TS-1 Ti-MCM-41 One-pot synthesis Worm-like material MacroholesNotes
Acknowledgments
J. Vernimmen thanks the Fund for Scientific Research-Flanders (FWO-Vlaanderen) for financial support. The Concerted Research Project (CRP, GOA-project) sponsored by the Special Fund for Research at the University of Antwerp is acknowledged.
Supplementary material
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