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- Title
Introduction of Organic Dyes into Cadmium(II) MOF for Tunable Light Emission and Highly Sensitive Probing Antibiotics.
- Authors
Wu, Haozhen; Yang, Guo‐Ping; Wang, Yao‐Yu
- Abstract
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.
- Subjects
FLUORESCENCE resonance energy transfer; CADMIUM; LUMINESCENCE; COORDINATION polymers; RHODAMINE B; ORGANIC dyes; METAL-organic frameworks
- Publication
European Journal of Inorganic Chemistry, 2024, Vol 27, Issue 19, p1
- ISSN
1434-1948
- Publication type
Article
- DOI
10.1002/ejic.202400101