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Tailoring the Pore Sizes of Microporous Pillared Interlayered Clays through Layer Charge Reduction

Title data

Herling, Markus M. ; Kalo, Hussein ; Seibt, Sebastian ; Schobert, Rainer ; Breu, Josef:
Tailoring the Pore Sizes of Microporous Pillared Interlayered Clays through Layer Charge Reduction.
In: Langmuir. Vol. 28 (25 September 2012) Issue 41 . - pp. 14713-14719.
ISSN 1520-5827
DOI: https://doi.org/10.1021/la303573e

Abstract in another language

A F-rich potassium hectorite, [K0.48(2)]inter[Mg2.54(8)Li0.43]oct[Si4]tetO10F2, with a layer charge of x = 0.48 per formula unit (pfu) was synthesized by high temperature melt synthesis. After Mg-exchange, the layer charge could be reduced significantly post synthesis by annealing (250 °C) as confirmed by alkylammonium exchange and cation exchange capacity. By pillaring this new low charge material with Me2DABCO2+ (N,N-dimethyl-1,1-diazabicyclo [2.2.2]octane dication) and Rh(bpy)33+ (rhodium-tris-2,2′-bipyridin trication), we observed a remarkable increase in micropore volume and pore diameter by Ar/Ar(l) physisorption measurements. This method allows the tailoring of pore sizes of pillared clays by reducing the layer charge and consequently the pillar density.

Further data

Item Type: Article in a journal
Refereed: Yes
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Organic Chemistry I > Chair Organic Chemistry I - Univ.-Prof. Dr. Rainer Schobert
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Anorganic Chemistry I > Chair Anorganic Chemistry I - Univ.-Prof. Dr. Josef Breu
Research Institutions > Collaborative Research Centers, Research Unit > SFB 840 Von partikulären Nanosystemen zur Mesotechnologie
Research Institutions > Collaborative Research Centers, Research Unit > SFB 840 Von partikulären Nanosystemen zur Mesotechnologie > SFB 840 - TP A 6
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Organic Chemistry I
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Chemistry > Chair Anorganic Chemistry I
Research Institutions
Research Institutions > Collaborative Research Centers, Research Unit
Result of work at the UBT: Yes
DDC Subjects: 500 Science > 540 Chemistry
Date Deposited: 21 Mar 2018 14:26
Last Modified: 21 Mar 2018 14:26
URI: https://eref.uni-bayreuth.de/id/eprint/9818