التفاصيل البيبلوغرافية
| العنوان: |
Tetra(4-imidazoylphenyl)ethylene based metal-organic frameworks for highly selective detection of TNP and Fe3+. |
| المؤلفون: |
Peng, Mengni1 (AUTHOR), Huang, Kun1 (AUTHOR) hkun2017@cwnu.edu.cn, Li, Xianglin1 (AUTHOR), Han, Defang1 (AUTHOR), Qiu, Qi1 (AUTHOR), Jing, Linhai1 (AUTHOR), Qin, Dabin1 (AUTHOR) qdbkyl@cwnu.edu.cn |
| المصدر: |
Journal of Solid State Chemistry. Dec2019, Vol. 280, pN.PAG-N.PAG. 1p. |
| مصطلحات موضوعية: |
*METAL-organic frameworks, *PICRIC acid, *COBALT, *FLUORESCENCE quenching, *ETHYLENE, *CHARGE exchange, *FLUORESCENCE |
| مستخلص: |
Two new 3D metal-organic frameworks (MOFs), namely {[Cd 4 (L) 2 (oba) 4 ]·4H 2 O} n (1) and {[Co 4 (L) 2 (BPDC) 4 ·4H 2 O]·5MeCN·5H 2 O} n (2), have been fabricated by reactions of tetra(4-imidazoylphenyl)ethylene (TIPE) (L) with cadmium nitrate and 4,4′-oxybisbenzoic acid (H 2 oba), cobalt nitrate and 4,4′-dicarboxylbenzophenone (H 2 BPDC), respectively, under hydrothermal condition. X-ray crystallographic analysis indicates 1 is a 4-fold interpenetrating 3D porous structure, displaying a (4, 4)-connected 4-c afw network with the point symbol of {{3.75}{3.7.7.7.7(2).7(2)}}. 2 shows a 3D→3D 4(2 + 2)-fold interpenetrating 2-nodal (4, 5)-connected 4,4-c 4T67 network with the Schälfli symbol of {{4.64.8}2{42.62.82}}. Significantly, fluorescence measurements reveal that 1 and 2 have good selectivity and sensitivity toward picric acid (TNP) through photo-induced electron transfer mechanism. Besides, 1 can also be employed as a highly selective sensor for Fe3+, making it a promising bifunctional sensor. Tetra(4-imidazoylphenyl)ethylene based metal-organic framework with interpenetrating 3D porous structures have been developed as bifunctional sensor for highly selective detection of TNP and Fe3+. Image 1 • Two new MOFs have been prepared with interpenetrating 3D porous structure. • 1 can be developed as bifunctional fluorescence sensor for TNP and Fe3+ with high selectivity. • 2 showed specific fluorescence quenching response towards TNP. • All MOFs exhibited recyclable utilization. [ABSTRACT FROM AUTHOR] |
| قاعدة البيانات: |
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