Catalytic activation of OKO zeolite with intersecting pores of 10- and 12-membered rings using atomic layer deposition of aluminium

E. Verheyen; S. Pulinthanathu Sree; K. Thomas; J. Dendooven; M. De Prins; G. Vanbutsele; E. Breynaert; J.-P. Gilson; C. E. A. Kirschhock; C. Detavernier; J. A. Martens

doi:10.1039/C3CC49028A

Catalytic activation of OKO zeolite with intersecting pores of 10- and 12-membered rings using atomic layer deposition of aluminium†

E. Verheyen,^a S. Pulinthanathu Sree,^a K. Thomas,^b J. Dendooven,^c M. De Prins,^a G. Vanbutsele,^a E. Breynaert,^a J.-P. Gilson,^b C. E. A. Kirschhock,^a C. Detavernier^c and J. A. Martens*^a

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^a Centre for Surface Chemistry and Catalysis, KU Leuven, Kasteelpark Arenberg 23, 3001 Leuven, Belgium
E-mail: johan.martens@biw.kuleuven.be

^b Laboratoire Catalyse & Spectrochimie (LCS), ENSICAEN, 6 boulevard Maréchal Juin, 14050 Caen, France

^c Department of Solid State Sciences, Ghent University, Krijgslaan 281–S1, 9000 Gent, Belgium

Abstract

Tetrahedral framework aluminium was introduced in all-silica zeolite -COK-14 using Atomic Layer Deposition (ALD) involving alternating exposure to trimethylaluminium and water vapour. The modification causes permanent conversion of the originally interrupted framework of -COK-14 to a fully connected OKO type framework, and generates catalytic activity in the acid catalysed hydrocarbon conversion reaction.

Chemical Communications

Catalytic activation of OKO zeolite with intersecting pores of 10- and 12-membered rings using atomic layer deposition of aluminium†

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Catalytic activation of OKO zeolite with intersecting pores of 10- and 12-membered rings using atomic layer deposition of aluminium

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