An unusual (4,4)-connected 3D porous cadmium metal-organic framework as a luminescent sensor for detection of nitrobenzene

作者：Zhao, Shan; Lv, Xiu-Xiu; Shi, Lu-Lu; Li, Bao-Long^*; Wu, Bing

来源：RSC Advances, 2016, 6(61): 56035-56041.

DOI：10.1039/c6ra10664a

• STRUCTURED EU-MOF
• COORDINATION POLYMERS
• CRYSTAL-STRUCTURES
• NITRO EXPLOSIVES
• NITROAROMATIC EXPLOSIVES
• FLUORESCENT SENSOR
• AQUEOUS-SOLUTION
• BUILDING-BLOCKS
• SMALL MOLECULES
• LIGANDS

The metal-organic framework {[Cd-2(obtz)(2)(btec)(H2O)(2)]center dot 3.5H(2)O}(n) (1) was synthesized and characterized (obtz = 1,2-bis(1,2,4-triazole-1-ylmethyl)benzene, btec = 1,2,4,5-benzenetetracarboxylate). 1 shows an unusual (4,4)-connected 3D porous network with the Schlafli symbol of (6(2)center dot 8 x 10(3))(2)(6(3) x 10(3)). 1 exhibits a strong blue emission band maxima at 421 nm and a shoulder peak at 464 nm in the solid state. The luminescent properties of 1 dispersed in various kinds of solvents were investigated in detail. The high quenching efficiency of 1 is up to 98.2% at 160 ppm NBZ. 1 displays highly selectivity, sensitivity and recyclability in the detection of nitrobenzene.

• 出版日期2016
• 单位苏州大学