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Two trans-1,2-diaminocyclohexane-derived chiral cationic gelators were synthesized, each of which could self-assemble into ribbons in n-propanol. Titania tubes resembling the letter ‘C’ and the numeral ‘8’ in the nano- and micro-size range were prepared using the self-assemblies of the gelators as the templates through a sol–gel transcription approach. Field emission electron microscopy images indicated...
Titania nanoparticles have attracted much attention for their application in catalysis. Over the last few decades, studies have shown that their morphology can be carefully controlled. However, reports on the preparation of helical titania nanotubes are rare. Here, a pair of valine-derived chiral cationic gelators were synthesized, which could self-assemble into helical nanofibers in ethanol and isopropanol...
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