Abstract
In recent years, unconventional luminescent materials without aromatic groups have attracted more and more attention due to their broad application prospects. In this work, an unconventional luminescent material of pectin (Pec) from orange peel was found with aggregation-induced emission (AIE) properties. Pec has typical AIE behavior, namely, it does not emit light or emits weak light in dilute aqueous solution, and emits strong light in concentrated solution or solid. In addition, Pec has multicolor imaging properties and room temperature phosphorescence (RTP). Moreover, Pec can be as a biosensor to detecting Fe3+ concentration. These results all indicted that Pec has multiple applications in bioimaging and biosensor.
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