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Issue 5, 2011
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Amino acid based low-molecular-weight tris(bis-amido) organogelators

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Abstract

Two new amino acid based low-molecular-mass organic gelators were designed, synthesized, and examined for their ability to gelate various organic solvents. The gelator molecules were found to aggregate via N–H⋯O hydrogen bonding to form an interwinding 3D network which immobilized a large number of organic solvents. Among the different organic solvents used in the gelation study mesitylene is found to be the best solvent. The microstructure of organogels was studied with FESEM and optical micrographs. The involvement of hydrogen bonding in the aggregation of the gelator molecule was studied using temperature dependent 1H NMR. The obtained organogels were found to exhibit significant mechanical strength.

Graphical abstract: Amino acid based low-molecular-weight tris(bis-amido) organogelators

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Article information


Submitted
10 Nov 2010
Accepted
06 Dec 2010
First published
12 Jan 2011

Soft Matter, 2011,7, 2121-2126
Article type
Paper

Amino acid based low-molecular-weight tris(bis-amido) organogelators

S. Samai, J. Dey and K. Biradha, Soft Matter, 2011, 7, 2121
DOI: 10.1039/C0SM01293A

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