期刊
MICROPOROUS AND MESOPOROUS MATERIALS
卷 293, 期 -, 页码 -出版社
ELSEVIER
DOI: 10.1016/j.micromeso.2019.109790
关键词
Metal-organic framework; Aluminium based; Vinyl functionalization; H2S and Pd2+ sensing; Aqueous phase sensing
类别
资金
- Science and Engineering Research Board (SERB), New Delhi [EEQ/2016/000012]
- Ministry of Human Resource Development [5-7/2014-TS-VII]
An aluminium based metal-organic framework (MOF) (CAU-10-V-H, 1, CAU stands for Christian-AlbrechtsUniversity) was designed and synthesized by employing 5-vinyl isophthalic acid (H(2)IPA-V) and 1,3-benzenedicaroxylic acid (H(2)IPA) in 1:1 molar ratio. The compound was thoroughly characterized by a number of analytical tools. The desolvated form of the material (1 ') showed great sensing performance towards Pd2+ and H2S. Instant quenching of HEPES buffer suspension of 1 ' was observed in presence of H2S due to formation of ground state complex by the strong interaction between H2S and vinyl functionality. In addition, 1 ' could selectively detect Pd2+ in aqueous medium with excellent sensitivity (LOD =110 nM). The turn-off' behavior of the material might be attributed to the interaction between Pd2+ and vinyl functional group. In addition, the XRPD pattern remains unchanged after the sensing of both H2S and Pd2+. Hence, the present material is an effective dual fluorescent probe for the detection of H2S and Pd2+.
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