Abstract
Development of fluorescence based chemosensors for aluminum ions is essential as aluminium causes several environmental issues. Herein, we report a piperidone based Al3+ ion sensor with anthracene as the fluorescent signalling unit. The compound shows aluminum ion selectivity through fluorescence enhancement. The compound also forms a 1:2 inclusion complex with β-cyclodextrin. The excimer fluorescence is quenched on cyclodextrin complex formation. Al3+ ions are not selectively bound by the chemosensor in the host–guest complex as the excimer is disintegrated in the presence of the host molecule. We report the range of sensing of Al3+ ions by the chemosensor in aqueous medium.
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