Volume 53, Issue 37 pp. 9957-9960
Communication

Functionalized Graphene as a Gatekeeper for Chiral Molecules: An Alternative Concept for Chiral Separation

Andreas W. Hauser

Corresponding Author

Andreas W. Hauser

Department of Chemical and Biomolecular Engineering, University of California, Berkeley, CA 94720-1462 (USA)

Andreas W. Hauser, Department of Chemical and Biomolecular Engineering, University of California, Berkeley, CA 94720-1462 (USA)

Peter Schwerdtfeger, Centre for Theoretical Chemistry and Physics (CTCP), The New Zealand Institute for Advanced Study (NZIAS), Massey University, Bob Tindall Building, 0632 Auckland (New Zealand)

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Narbe Mardirossian

Narbe Mardirossian

Department of Chemistry, University of California, Berkeley, CA 94720-1462 (USA)

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Julien A. Panetier

Julien A. Panetier

Department of Chemistry, University of California, Berkeley, CA 94720-1462 (USA)

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Martin Head-Gordon

Martin Head-Gordon

Department of Chemistry, University of California, Berkeley, CA 94720-1462 (USA)

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Alexis T. Bell

Alexis T. Bell

Department of Chemical and Biomolecular Engineering, University of California, Berkeley, CA 94720-1462 (USA)

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Peter Schwerdtfeger

Corresponding Author

Peter Schwerdtfeger

Centre for Theoretical Chemistry and Physics (CTCP), The New Zealand Institute for Advanced Study (NZIAS), Massey University, Bob Tindall Building, 0632 Auckland (New Zealand)

Andreas W. Hauser, Department of Chemical and Biomolecular Engineering, University of California, Berkeley, CA 94720-1462 (USA)

Peter Schwerdtfeger, Centre for Theoretical Chemistry and Physics (CTCP), The New Zealand Institute for Advanced Study (NZIAS), Massey University, Bob Tindall Building, 0632 Auckland (New Zealand)

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First published: 13 July 2014
Citations: 48

A.W.H. thanks Joseph Gomes and Felix Fischer for helpful discussions. Calculations were performed on a cluster provided by the UC Berkeley College of Chemistry through the National Science Foundation (NSF) (Grant CHE-1048789).

Graphical Abstract

Selective entry: A mixture of enantiomers can be separated with functionalized nanoporous graphene. Density functional calculations indicate that a “bouncer” molecule attached to the pore rim prevents the passage of the undesired enantiomer while letting its mirror image through.

Abstract

We propose a new method of chiral separation using functionalized nanoporous graphene as an example. Computational simulations based on density functional theory show that the attachment of a suitable chiral “bouncer” molecule to the pore rim prevents the passage of the undesired enantiomer while letting its mirror image through.

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