Abstract
Phenanthrenequinone and terephthalaldehyde work as raw materials to fabricate TM1 in which phenanthroimidazole works as matrix. Aldehyde group react with hydrosulphite (HSO3−) to produce addition product, in which electron gain or loss varies and intramolecular charge transfer (ICT) happens, leading to changes of absorption spectrum. According to this mechanism, HSO3− could be detected. Convenience, fast response time and long lifespan are advantages of the novel fluorescent probe.
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