Journal
INORGANIC CHEMISTRY
Volume 55, Issue 10, Pages 4790-4794Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acs.inorgchem.6b00190
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Funding
- 973 Program [2012CB821702]
- NSFC [21571107, 21421001]
- SFC of Tianjin [15JCZDJC37700]
- 111 project [B12015]
- MOE Innovation Team of China [IRT13022, IRT-13R30]
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Three isostructural Ln-BTB frameworks (Ln = Eu (1), Dy (2), Yb (3)) were synthesized and structurally characterized, in which mononuclear and trinuclear [Ln(3)] units as nodes construct unprecedented (3,4,10)-connected 3D frameworks with (4.6.8)(4)(4.8(2))(2)(4.8(5))(6(2).8(4))(4(5).6(8).8(26).10(6)) point symbol. The luminescent investigations revealed that compound 1 can sensitively and selectively detect Al3+, but comparably compound 2 could not detect Al3+ among various cations. More importantly, 1 as an Al3+ sensor can be reused at least five times, which represents the first recyclable metal organic framework (MOF)-supported Al3+ sensor. Additionally, magnetic investigations on 2 also were carried out, showing a single-molecule-magnet behavior.
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