化学
金属有机骨架
镉
纳米技术
光化学
有机化学
吸附
材料科学
作者
Haozhen Wu,Guo‐Ping Yang,Yao‐Yu Wang
标识
DOI:10.1002/ejic.202400101
摘要
A honeycomb porous cadmium(II) metal–organic framework {[Cd(L)(H2O)]·NMP·5H2O}n (1, H2L = 1‐(4‐carboxyphenyl)‐1H‐pyrazole‐3‐carboxylic acid and NMP = 1‐methyl‐2‐pyrrolidinone) was obtained using the solvothermal method. The luminescent molecules rhodamine B (RhB) and fluorescein (FL) were encapsulated in 1 using the immersion method to prepare RhB@1 and FL@1 dual emission composites. Additionally, a series of RhBx/FL1‐x@1 composites with varying luminescence properties were generated by altering the molar ratio of RhB to FL. Furthermore, the photoluminescence of RhB@1 and FL@1 was demonstrated to be caused by photoelectron transfer and fluorescence resonance energy transfer from 1 to the encapsulated guest module. Notably, RhB@1 showed the considerable improvement in fluorescence selectivity and detection limit (10‐6 M) for metronidazole and dimetronidazole with remarkable recyclability.
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