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Amino acid-based ionic liquids as precursors for the synthesis of chiral nanoporous carbons

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Perovic,  Milena
Martin Oschatz, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Oschatz,  Martin
Martin Oschatz, Kolloidchemie, Max Planck Institute of Colloids and Interfaces, Max Planck Society;

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Citation

Aloni, S. S., Perovic, M., Weitman, M., Cohen, R., Oschatz, M., & Mastai, Y. (2019). Amino acid-based ionic liquids as precursors for the synthesis of chiral nanoporous carbons. Nanoscale Advances, 1(12), 4981-4988. doi:10.1039/C9NA00520J.


Cite as: http://hdl.handle.net/21.11116/0000-0005-6D55-2
Abstract
The synthesis of chiral nanoporous carbons based on chiral ionic liquids (CILs) of amino acids as precursors is described. Such unique precursors for the carbonization of CILs yield chiral carbonaceous materials with high surface area (≈620 m2 g−1). The enantioselectivities of the porous carbons are examined by advanced techniques such as selective adsorption of enantiomers using cyclic voltammetry, isothermal titration calorimetry, and mass spectrometry. These techniques demonstrate the chiral nature and high enantioselectivity of the chiral carbon materials. Overall, we believe that the novel approach presented here can contribute significantly to the development of new chiral carbon materials that will find important applications in chiral chemistry, such as in chiral catalysis and separation and in chiral sensors. From a scientific point of view, the approach and results reported here can significantly deepen our understanding of chirality at the nanoscale and of the structure and nature of chiral nonporous materials and surfaces.