P-xylene-selective metal-organic frameworks: A case of topology-directed selectivity

Frederik Vermoortele; Michael Maes; Peyman Z. Moghadam; Matthew Lennox; Florence Ragon; Mohammed Boulhout; Shyam Biswas; Katrien G M Laurier; Isabelle Beurroies; Renaud Denoyel; Maarten Roeffaers; Norbert Stock; Tina Düren; Christian Serre; Dirk E. De Vos

doi:10.1021/ja207287h

P-xylene-selective metal-organic frameworks: A case of topology-directed selectivity

Frederik Vermoortele, Michael Maes, Peyman Z. Moghadam, Matthew Lennox, Florence Ragon, Mohammed Boulhout, Shyam Biswas, Katrien G M Laurier, Isabelle Beurroies, Renaud Denoyel, Maarten Roeffaers, Norbert Stock, Tina Düren, Christian Serre, Dirk E. De Vos

Department of Chemical Engineering

Research output: Contribution to journal › Article › peer-review

150 Citations (SciVal)

Abstract

Para-disubstituted alkylaromatics such as p-xylene are preferentially adsorbed from an isomer mixture on three isostructural metal-organic frameworks: MIL-125(Ti) ([Ti₈O₈(OH)₄(BDC)₆]), MIL-125(Ti)-NH₂ ([Ti₈-O₈(OH) ₄(BDC-NH₂)₆]), and CAU-1(Al)-NH₂ ([Al₈(OH)₄-(OCH₃)₈(BDC-NH ₂)₆]) (BDC = 1,4-benzenedicarboxylate). Their unique structure contains octahedral cages, which can separate molecules on the basis of differences in packing and interaction with the pore walls, as well as smaller tetrahedral cages, which are capable of separating molecules by molecular sieving. These experimental data are in line with predictions by molecular simulations. Additional adsorption and microcalorimetric experiments provide insight in the complementary role of the two cage types in providing the para selectivity.

Original language	English
Pages (from-to)	18526-18529
Number of pages	4
Journal	Journal of the American Chemical Society
Volume	133
Issue number	46
DOIs	https://doi.org/10.1021/ja207287h
Publication status	Published - 23 Nov 2011

ASJC Scopus subject areas

General Chemistry
Catalysis
Biochemistry
Colloid and Surface Chemistry

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Vermoortele, F., Maes, M., Moghadam, P. Z., Lennox, M., Ragon, F., Boulhout, M., Biswas, S., Laurier, K. G. M., Beurroies, I., Denoyel, R., Roeffaers, M., Stock, N., Düren, T., Serre, C., & De Vos, D. E. (2011). P-xylene-selective metal-organic frameworks: A case of topology-directed selectivity. Journal of the American Chemical Society, 133(46), 18526-18529. https://doi.org/10.1021/ja207287h

Vermoortele, F, Maes, M, Moghadam, PZ, Lennox, M, Ragon, F, Boulhout, M, Biswas, S, Laurier, KGM, Beurroies, I, Denoyel, R, Roeffaers, M, Stock, N, Düren, T, Serre, C & De Vos, DE 2011, 'P-xylene-selective metal-organic frameworks: A case of topology-directed selectivity', Journal of the American Chemical Society, vol. 133, no. 46, pp. 18526-18529. https://doi.org/10.1021/ja207287h

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title = "P-xylene-selective metal-organic frameworks: A case of topology-directed selectivity",

abstract = "Para-disubstituted alkylaromatics such as p-xylene are preferentially adsorbed from an isomer mixture on three isostructural metal-organic frameworks: MIL-125(Ti) ([Ti8O8(OH)4(BDC)6]), MIL-125(Ti)-NH2 ([Ti8-O8(OH) 4(BDC-NH2)6]), and CAU-1(Al)-NH2 ([Al8(OH)4-(OCH3)8(BDC-NH 2)6]) (BDC = 1,4-benzenedicarboxylate). Their unique structure contains octahedral cages, which can separate molecules on the basis of differences in packing and interaction with the pore walls, as well as smaller tetrahedral cages, which are capable of separating molecules by molecular sieving. These experimental data are in line with predictions by molecular simulations. Additional adsorption and microcalorimetric experiments provide insight in the complementary role of the two cage types in providing the para selectivity.",

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AU - Vermoortele, Frederik

AU - Maes, Michael

AU - Moghadam, Peyman Z.

AU - Lennox, Matthew

AU - Ragon, Florence

AU - Boulhout, Mohammed

AU - Biswas, Shyam

AU - Laurier, Katrien G M

AU - Beurroies, Isabelle

AU - Denoyel, Renaud

AU - Roeffaers, Maarten

AU - Stock, Norbert

AU - Düren, Tina

AU - Serre, Christian

AU - De Vos, Dirk E.

PY - 2011/11/23

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N2 - Para-disubstituted alkylaromatics such as p-xylene are preferentially adsorbed from an isomer mixture on three isostructural metal-organic frameworks: MIL-125(Ti) ([Ti8O8(OH)4(BDC)6]), MIL-125(Ti)-NH2 ([Ti8-O8(OH) 4(BDC-NH2)6]), and CAU-1(Al)-NH2 ([Al8(OH)4-(OCH3)8(BDC-NH 2)6]) (BDC = 1,4-benzenedicarboxylate). Their unique structure contains octahedral cages, which can separate molecules on the basis of differences in packing and interaction with the pore walls, as well as smaller tetrahedral cages, which are capable of separating molecules by molecular sieving. These experimental data are in line with predictions by molecular simulations. Additional adsorption and microcalorimetric experiments provide insight in the complementary role of the two cage types in providing the para selectivity.

AB - Para-disubstituted alkylaromatics such as p-xylene are preferentially adsorbed from an isomer mixture on three isostructural metal-organic frameworks: MIL-125(Ti) ([Ti8O8(OH)4(BDC)6]), MIL-125(Ti)-NH2 ([Ti8-O8(OH) 4(BDC-NH2)6]), and CAU-1(Al)-NH2 ([Al8(OH)4-(OCH3)8(BDC-NH 2)6]) (BDC = 1,4-benzenedicarboxylate). Their unique structure contains octahedral cages, which can separate molecules on the basis of differences in packing and interaction with the pore walls, as well as smaller tetrahedral cages, which are capable of separating molecules by molecular sieving. These experimental data are in line with predictions by molecular simulations. Additional adsorption and microcalorimetric experiments provide insight in the complementary role of the two cage types in providing the para selectivity.

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JO - Journal of the American Chemical Society

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ER -

P-xylene-selective metal-organic frameworks: A case of topology-directed selectivity

Abstract

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