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Paper The following article is Open access

Synthesis and property study of phenanthroimidazole based hydrosulphite fluorescent probe

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Published under licence by IOP Publishing Ltd
, , Citation Meng Li et al 2019 IOP Conf. Ser.: Mater. Sci. Eng. 493 012157 DOI 10.1088/1757-899X/493/1/012157

1757-899X/493/1/012157

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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10.1088/1757-899X/493/1/012157