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  Mesoporous carbon materials with enantioselective surface obtained by nanocasting for selective adsorption of chiral molecules from solution and the gas phase

Perovic, M., Aloni, S. S., Mastai, Y., & Oschatz, M. (2020). Mesoporous carbon materials with enantioselective surface obtained by nanocasting for selective adsorption of chiral molecules from solution and the gas phase. Carbon, 170, 550-557. doi:10.1016/j.carbon.2020.08.010.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0006-F68F-4 Version Permalink: http://hdl.handle.net/21.11116/0000-0007-0414-E
Genre: Journal Article

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Perovic, Milena1, Author              
Aloni, Sapir Shekef, Author
Mastai, Yitzhak, Author
Oschatz, Martin1, Author              
Affiliations:
1Martin Oschatz, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society, ou_2364733              

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Free keywords: mesoporous carbon, chiral carbon, porous materials, enantiomers separation, chiral recognition, adsorption
 Abstract: Separation of enantiomers is an everlasting challenge in chemistry, catalysis, and synthesis of pharmaceuticals. The design and fabrication of chiral adsorbent materials is a promising way to increase the surface area of chiral information, as well as to maximize the available surface for the adsorption of enantiomers. Porous materials such as silica or metal-organic-frameworks are established materials in this field, due to their well-defined surface structure and ease of functionalization with chiral groups. As another class of porous materials, carbons provide the advantages of high thermal and chemical stability, resistance against moisture, electrical conductivity, and widely tunable pore size. Although they are well established in many adsorption-related applications, carbons received far less attention in enantioselective adsorption processes because the controlled functionalization of their surface is rather difficult due to the electronically heterogeneous atoms in the network. A suitable approach to overcome this limitation is the synthesis of chiral carbons directly from chiral precursors. So far, chiral carbons synthesized from chiral precursors used salt-templating as a way of introducing porosity, which resulted in mainly microporous materials or materials with broad pore size distribution. In the present study, the possibility of combining nanocasting as an alternative templating approach with chiral ionic liquids as a carbon precursor is demonstrated. Chiral recognition is measured in the gas phase, by adsorption of chiral gas, as well as in the solution, by using isothermal titration calorimetry.

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Language(s): eng - English
 Dates: 2020-08-202020
 Publication Status: Published in print
 Pages: -
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 Table of Contents: -
 Rev. Type: -
 Identifiers: DOI: 10.1016/j.carbon.2020.08.010
BibTex Citekey: PEROVIC2020
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Title: Carbon
  Abbreviation : Carbon
Source Genre: Journal
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Publ. Info: Amsterdam : Elsevier
Pages: - Volume / Issue: 170 Sequence Number: - Start / End Page: 550 - 557 Identifier: ISSN: 0008-6223