期刊
ANALYST
卷 144, 期 5, 页码 1687-1695出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8an01976b
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资金
- National Natural Science Foundation of China [21571005]
- High School Leading Talent Incubation Programme of Anhui Province [gxbjZD2016010]
- Innovation Foundation of Anhui Normal University [2017xjj104]
- Recruitment Program for Leading Talent Team of Anhui Province
NH2-MIL-53(Al) nanocrystals were successfully fabricated by an improved solvothermal route at 120 degrees C for 24 h without the addition of any surfactants or capping agents, employing AlCl(3)6H(2)O and 2-amino terephthalic acid (NH2-BDC) as the initial reactants, and N,N-dimethylformamide (DMF) and water with a volume ratio of 5/25 as the mixed solvent. The as-obtained product was characterized by XRD, FESEM and FTIR. Under the excitation of 380 nm UV light, the as-obtained NH2-MIL-53(Al) nanocrystals displayed strong fluorescence emission. It was found that some aromatic nitro-compounds (ANCs) or ions in aqueous systems could strongly quench the above fluorescence, indicating that the as-obtained NH2-MIL-53(Al) nanocrystals could be made into a fluorescent probe for the detection of ANCs and ions in aqueous systems. Simultaneously, the mechanism to cause fluorescence quenching was discussed.
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