Click synthesis of a novel triazole bridged AIE active cyclodextrin probe for specific detection of Cd(2+).

A novel aggregation induced emission (AIE) active cyclodextrin (CD) was synthesized by combining tetraphenylethene (TPE) and CD via click chemistry. The new material, which is the first reported clicked AIE probe for the specific detection of Cd(2+), exhibits an excellent selective turn-on fluorescence response to Cd(2+) in neutral environments, with a low detection limit of 0.01 µM.