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Issue 6, 2017, Issue in Progress
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Synthesis of titanosilicate pillared MFI zeolite as an efficient photocatalyst

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Abstract

A titanosilicate pillared MFI zeolite (abbreviated as Si/Ti-PMFI) has been synthesized by sequential infiltration of a mixed tetraethyl orthosilicate (TEOS) and tetrabutyl orthotitanate (TBOT) solvent into and hydrolysis of the TEOS/TBOT solvent entrapped between the multilamellar MFI layers. The Ti-species present in the titanosilicate pillars, acid sites supplied by the framework Al–O(H)–Si sites in MFI layers, and mesoporosity collectively endow Si/Ti-PMFI with efficient adsorption assisted photocatalytic functionality, which was exemplified by the degradation of methyl orange (MO) in water. The synthesis of Si/Ti-PMFI zeolites containing Al–O(H)–Si acid sites within MFI layers and Ti-sites between layers diversified the structure, physicochemical properties, and catalytic functionality of hierarchical lamellar zeolites. The Si/Ti-PMFI lamellar zeolites were studied as adsorptive catalysts for photocatalysis, especially when bulky molecules are involved.

Graphical abstract: Synthesis of titanosilicate pillared MFI zeolite as an efficient photocatalyst

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Publication details

The article was received on 27 Sep 2016, accepted on 15 Dec 2016 and first published on 16 Dec 2016


Article type: Paper
DOI: 10.1039/C6RA23959E
Citation: RSC Adv., 2017,7, 3249-3256
  • Open access: Creative Commons BY-NC license
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    Synthesis of titanosilicate pillared MFI zeolite as an efficient photocatalyst

    L. Emdadi, D. T. Tran, J. Zhang, W. Wu, H. Song, Q. Gan and D. Liu, RSC Adv., 2017, 7, 3249
    DOI: 10.1039/C6RA23959E

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