Three Zn(II)-based MOFs for luminescence sensing of Fe3+ and Cr2O72- ions

Three Zn(II)-based MOFs for luminescence sensing of Fe3+ and Cr2O72- ions
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用于 Fe3 和 Cr2O72- 离子发光传感的三种 Zn(II) 基 MOF

DOI:
10.1039/c7dt04659f
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发表时间:
2018
影响因子:
4
通讯作者:
Zheng He-Gen
Zheng He-Gen
中科院分区:
化学2区
文献类型:
--
作者:
Xiao Zhi-Zun;Han Li-Juan;Wang Zhong-Jie;Zheng He-Gen

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用水热方法合成了三种锌金属有机骨架:{锌(L)0.5(Oba)]·dmf·H2O}n(2)和{[锌(L)0.5(Sdb)]·H2O}n(3)[L=E,E-2,5-dihexyloxy-1,4-bis-(2-pyridin-vinyl)-benzene;H_2chd=1,4-环己二甲酸,H_2oba=4,4‘-氧代双苯甲酸,H_2sdb=4,4’-磺酰二苯甲酸]。我们探索了它们在离子检测中的应用,结果表明,它们对Fe~(3+)和Cr2O_(72)−离子都表现出高选择性的传感。
Three zinc metal–organic frameworks (MOFs), {ZnL(chd)}n (1), {[Zn(L)0.5(oba)]·DMF·H2O}n (2) and {[Zn(L)0.5(sdb)]·H2O}n (3) [L = E,E-2,5-dihexyloxy-1,4-bis-(2-pyridin-vinyl)-benzene; H2chd = 1,4-cyclohexanedicarboxylic acid, H2oba = 4,4′-oxybisbenzoic acid, H2sdb = 4,4′-sulfonyldibenzoic acid], have been hydrothermally synthesized. We explored their applications in detecting ions, and the result shows that they all show highly selective sensing for Fe3+ and Cr2O72− ions.