Journal
NEW JOURNAL OF CHEMISTRY
Volume 42, Issue 24, Pages 20197-20204Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c8nj04331k
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Funding
- National Science Foundation of China [21571156, J1210060]
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The multifunctional organic bridging ligand, 2-phenyl(3,4-dimethyl)-1-H-imidazole-4,5-dicarboxylic acid (H3DMPhIDC), was reacted with Cd(II) ions to form a luminescent metal-organic framework, [Cd(HDMPhIDC)(H2O)](n) (1), which has been successfully synthesized and structurally characterized. MOF 1 shows 1D chain structure and good recognition performance for Fe3+ ions. The luminescent quenching efficiency for iron(III) is 89.46% and the detection limit is 3.98 x 10(-6) M in aqueous solution. The recognition mechanism of Fe3+ has been explored by UV-Vis and PXRD determinations. Furthermore, the proton conduction of MOF 1 has been investigated. Interestingly, 1 has a high proton conductivity value of 1.30 x 10(-4) S cm(-1) at 100 degrees C and 98% RH. The large activation energy indicates that proton transfer in 1 through the vehicular mechanism.
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