Understanding the Unusual Adsorption Behavior in Hierarchical Zeolite Nanosheets

Bai, Peng; Olson, David H.; Tsapatsis, Michael; Siepmann, J. Ilja

doi:10.1002/cphc.201402189

Understanding the Unusual Adsorption Behavior in Hierarchical Zeolite Nanosheets

Journal Article · Sun May 18 04:00:00 EDT 2014 · ChemPhysChem

DOI:https://doi.org/10.1002/cphc.201402189· OSTI ID:1492026

Bai, Peng ^[1]; Olson, David H. ^[2]; Tsapatsis, Michael ^[3]; Siepmann, J. Ilja ^[4]

Univ. of Minnesota, Minneapolis, MN (United States). Dept. of Chemistry. Chemical Theory Center. Dept. of Chemical Engineering and Materials Science; Nanoporous Materials Genome Center
Rutgers Univ., Piscataway, NJ (United States). Dept. of Chemistry and Chemical Biology
Univ. of Minnesota, Minneapolis, MN (United States). Dept. of Chemical Engineering and Materials Science
Univ. of Minnesota, Minneapolis, MN (United States). Dept. of Chemistry. Chemical Theory Center. Dept. of Chemical Engineering and Materials Science

Hierarchical zeolites are advanced materials possessing the catalytic and adsorption properties of conventional zeolites while eliminating their transport limitations through the introduction of mesopores. Recent experiments comparing the adsorption in hierarchical self-pillared pentasils (SPP) and silicalite-1 (MFI) revealed an interesting crossover in sorbate loading for branched or long-chain alkanes but not for shorter linear alkanes, but an explanation for this behavior is not readily available through experimental probes due to the complications arising from the presence of multiple adsorption sites. We present a molecular simulation study on the adsorption of alkane isomers and show that a multi-step mechanism, found here for all molecules, is responsible for the observed phenomena.

Research Organization:: Univ. of Minnesota, Minneapolis, MN (United States)

Sponsoring Organization:: USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22); National Science Foundation (NSF) (United States)

Grant/Contract Number:: SC0008688; SC0008688

OSTI ID:: 1492026

Journal Information:: ChemPhysChem, Journal Name: ChemPhysChem Journal Issue: 11 Vol. 15; ISSN 1439-4235

Publisher:: ChemPubSoc EuropeCopyright Statement

Country of Publication:: United States

Language:: English

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Cited By (5)

Quantification of thickness and wrinkling of exfoliated two-dimensional zeolite nanosheets Kumar, Prashant; Agrawal, Kumar Varoon; Tsapatsis, Michael Nature Communications, Vol. 6, Issue 1 https://doi.org/10.1038/ncomms8128	journal	May 2015
Controllable fabrication and catalytic performance of nanosheet HZSM-5 films by vertical secondary growth Tian, Yajie; Liu, Hong; Wang, Li AIChE Journal, Vol. 64, Issue 6 https://doi.org/10.1002/aic.16158	journal	March 2018
Self-Pillared, Single-Unit-Cell Sn-MFI Zeolite Nanosheets and Their Use for Glucose and Lactose Isomerization Ren, Limin; Guo, Qiang; Kumar, Prashant Angewandte Chemie, Vol. 127, Issue 37 https://doi.org/10.1002/ange.201505334	journal	July 2015
Self-Pillared, Single-Unit-Cell Sn-MFI Zeolite Nanosheets and Their Use for Glucose and Lactose Isomerization Ren, Limin; Guo, Qiang; Kumar, Prashant Angewandte Chemie International Edition, Vol. 54, Issue 37 https://doi.org/10.1002/anie.201505334	journal	July 2015
Strategies to control zeolite particle morphology Li, Shiying; Li, Junfen; Dong, Mei Chemical Society Reviews, Vol. 48, Issue 3 https://doi.org/10.1039/c8cs00774h	journal	January 2019

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36 MATERIALS SCIENCE
37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CHEMISTRY
adsorption
molecular modeling
nanosheets
self-pillared pentasils
zeolites

Understanding the Unusual Adsorption Behavior in Hierarchical Zeolite Nanosheets

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References (14)

Cited By (5)

Figures / Tables (5)

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