Abstract
Fast and selective recognition of nitro explosives (NEs) is an emerging issue of interest. Among different detection systems, pillared metal-organic frameworks (MOFs) demonstrated high applicability in the detection of NEs. A novel pillar-layered MOF, specifically {[Zn2(2,6-NDC)2(dabco)].7DMF·3H2O} (TMU-14) were synthesized by solvothermal reaction of Zn(II) nitrate hexahydrate, 2,6-naphthalenedicarboxylic acid (2,6-NDC) as the O-donor ligand and 1,4-diazabicyclo[2.2.2]octane (dabco) as the N-donor ligand. This MOF was characterized through Single Crystal X-ray crystallography. This study demonstrated that TMU-14 with a 3D layered structure and a suitable pore window of 10.933 A˚ was an efficient luminescent sensory material through host-guest complexation with good stability and recyclability for the detection of NEs with high quantum yield.
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