Abstract
The amidourea-based homoduplex was developed as a super organogelator, which could form stable gels in wide-tested solvents. And the reversible gel to solution transition was responsive to heat/cool and acid/base stimuli. The organogels were extensively investigated by 1H NMR, UV-visible absorption spectroscopy, fluorescence spectroscopy, scanning electron microscopy, transmission electron microscopy and powder X-ray diffraction. Based on these data, the gelation mechanism was rationally proposed. The hydrogen-bonded homoduplexes served as the basic assembling units, and further aggregated into three dimensional networks via π-π stacking and van der Waals interactions, which consequently led to the entangled fibers for the gel formation.
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Chu, W., Chen, C. Amidourea-based homoduplex as a super organogelator. Chin. Sci. Bull. 57, 4278–4283 (2012). https://doi.org/10.1007/s11434-012-5440-4
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DOI: https://doi.org/10.1007/s11434-012-5440-4