Abstract
As the nuclear industry develops rapidly, radioactive elements such as uranium are also increasingly exposed to the environment, posing a threat to human health. Therefore, it is imperative to develop a simple and rapid method for detecting UO22+. In this work, a fluorescent probe, named TPE-ADX, was designed and synthesized for the rapid detection of uranyl ions in aqueous solutions by combining an amidoxime group as a recognized moiety with a tetraphenylene fluorophore as AIE moiety in a simple synthesis process. Along with the increasing uranyl ions, the significant fluorescence quenching effect could be observed and the TPE-ADX fluorescence probe endowed an ultra-low limit of detection (LOD = 7.9 nM), and rapid response time (1 min). A further application was successfully performed in detecting UO22+ in environmental aqueous solutions.
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