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Formation of Supermolecular Chiral Gels from L-aspartic Acid-based Perylene Bisimides and Benzene Dicarboxylic Acids

Abstract

In the present study, supramolecular gels from L-aspartic acid-based perylene bisimides (APBI) and various isomeric benzene dicarboxylic acids (o-phthalic acid, OPA; isophthalic acid, IPA and terephthalic acid, TPA) were obtained. It has been found that spatial position of carboxyl on the benzene ring plays a key role in the gelation process, OPA or IPA could lead to gel formation while TPA could not. Intermolecular hydrogen bonding and π-π stacking interactions have been found to guide the aggregation determined by UV-vis spectra, fluorescence spectra and FT-IR. And the chirality transfer from perylene chromophoes to benzene dicarboxylic acids has been also detected through circular dichroism spectroscopy (CD). The interesting features of the two-component gel system may give a better understanding of supramolecular chirality.

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Publication details

The article was received on 04 Apr 2017, accepted on 19 Jun 2017 and first published on 19 Jun 2017


Article type: Paper
DOI: 10.1039/C7NJ01107E
Citation: New J. Chem., 2017, Accepted Manuscript
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    Formation of Supermolecular Chiral Gels from L-aspartic Acid-based Perylene Bisimides and Benzene Dicarboxylic Acids

    Y. Liu, X. Gao, M. Zhao, F. Lu and L. Zheng, New J. Chem., 2017, Accepted Manuscript , DOI: 10.1039/C7NJ01107E

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