期刊
DALTON TRANSACTIONS
卷 45, 期 16, 页码 6983-6989出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6dt00162a
关键词
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资金
- National Natural Science Foundation of China [21471104]
- Science and Technology Program, Beijing Municipal Education Commission [KM201510028006]
- Scientific Research Base Development Program of the Beijing Municipal Commission of Education
A Cd(II)-based metal-organic framework, [Cd-2(DPDC)(2)(BTB)](infinity) (Cd-MOF, DPDC = 2,2'-diphenyldicarboxylate and BTB = 1,4-bis(1,2,4-triazol-1-yl)butane) was successfully constructed via a hydrothermal reaction. Structural analysis shows that the synthesized Cd-MOF is a three-dimensional (3D) architecture crystallized in the hexagonal system with a chiral space group P6(1). Powder X-ray diffraction experiments and thermogravimetric analysis reveal that the constructed Cd-MOF has a high chemical and thermal stability. A study of additional mechanical properties indicates that it exhibits a moderate stiffness with the average values of Young's modulus (E) and H as 11.3(2) and 0.9(7) GPa, respectively. The luminescence properties of the Cd-MOF were further studied. The result shows that it could be an effective sensor to the organic nitrobenzene molecule via a strong quenching effect, and also to the inorganic Tb(III) ion by a strong green emission effect. Moreover, when loading bimetal ions (Eu(III) and Tb(III)) into the Cd-MOF/methanol suspension, tunable visible luminescence can also be achieved by carefully adjusting the excitation wavelengths.
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