Issue 45, 2013

Light and acid dual-responsive organogel formation based on m-methyl red derivative

Abstract

A new gelator 1 that included m-methyl red was synthesized and fully characterized. It was found that the organogel of 1 was stable in DMSO even if the organogel was stimulated by acid or light. The organogel was thoroughly characterized using various microscopic techniques including field-emission scanning electron microscopy (FESEM), X-ray diffraction (XRD), UV-vis and Fourier transform infrared (FTIR) spectra. The organogel exhibited tunable structures and optical properties under different stimulation. The regular nanoring structure was turned into microspheres after the organogel in DMSO was stimulated at 254 nm light or acid. At the same time, the color of molecule 1 in gel state and solution state was all changed after stimulation by light or acid. The hydrogen bonding and π–π stacking were found to be the main driving forces for gel formation. This dual-responsive gel held promise for soft materials application in upscale smart responsive materials.

Graphical abstract: Light and acid dual-responsive organogel formation based on m-methyl red derivative

Supplementary files

Article information

Article type
Paper
Submitted
14 Jul 2013
Accepted
19 Sep 2013
First published
19 Sep 2013

Org. Biomol. Chem., 2013,11, 7931-7937

Light and acid dual-responsive organogel formation based on m-methyl red derivative

X. Cao, A. Gao, H. Lv, Y. Wu, X. Wang and Y. Fan, Org. Biomol. Chem., 2013, 11, 7931 DOI: 10.1039/C3OB41449C

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