A new dual acylhydrazone-functionalized gelator (L) has been synthesized, which behaves as a thermal-responsive supramolecular organogel (L-gel) in DMSO. This L-gel exhibits very weak fluorescence based on the photoinduced electron transfer (PET) mechanism. The L-gel can recognize Al and assemble into an enhanced blue-light-emitting supramolecular metallogel (Al@gel).
Supramolecular
xerogel films as multicolor photoluminescent materials
are ideal for applications in optical devices, such as photochromic
smart windows and LEDs. Therefore, a blue-fluorescence supramolecular
hydrogel has been successfully constructed from α-CD and benzimidazole
derivatives (WCB) through host–guest interactions
with supramolecular assembly-induced emission (SAIE) properties. The
hydrogel WCB-α-CD enables the coordination with
different lanthanide metal ions (Ms) to form supramolecular nanoparticles
with spherical-like morphology, thus rendering the xerogel films for
lanthanide luminescence. The xerogel films WCB-α-CD@Ms, with high luminous transmittance (T > 90%)
and
multicolor photoluminescence, exhibit a promising potential for smart
optical film materials utilizing supramolecular assembly.
Supramolecular gels with aggregation-induced emission (AIE) are recognized as excellent chemosensor. The combination of gelators and metal ions gives rise to a synergistic effect, which induces functional behaviors of anions...
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