Abstract
In this paper, we synthesized a zinc metal-organic framework material (Zn-MOF) based on fluorenone carboxylate ligand and studied the application of Zn-MOF in the fields of fluorescent detection and photocatalysis degradation. The experiment results show that it is a fluorescent probe that can quickly recognize organic solvent nitrobenzene (NB) from other solvents. The detection limit is 2.9 μM, and Ksv (quenching efficiency) is 3.547 × 103 M−1. In particular, Zn-MOF can identify nitrobenzene derivatives, such as nitrophenol and nitrotoluene, and the quenching efficiency can reach 16.54% and 92.64%, respectively. Moreover, Zn-MOF can be used to detect metal ions and has high selectivity for Al3+ and Fe3+ ions. Competitive experiments show that other metal ions will not interfere with the detection. In addition, Zn-MOF can also be used as photocatalytic degradation of Rhodamine B (RhB), and the photodegradation efficiency of RhB can reach 85% within 3 h.
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