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Synthesis and characterized three Zn(II)-based mixed geometry coordination polymers and photocatalytic activity against dyes
Xiong, Min1; Ghosh, Mithun Kumar2; Lu, Lu1; Liu, Xiao-Hong3,4; Muddassir, Mohd.5; Ghorai, Tanmay Kumar6
2023-12-01
摘要Three novel Zn(II)-based CPs (coordination polymers) with formula [Zn3(mu 3-OH)(L)(H2O)5]n (1), [Zn5(L)2(bpz)2(H2O)2]n (2) and [Zn2(HL)(bip)(H2O)2 & sdot;H2O]n (3) (H5L = 3,5-di(2',4' -dicarboxyphenyl)benozoicacid, bpz = 3,3',5,5'-tetramethyl-4,4'-bipyrazole and bip = 3,5-bis(1-imidazoly)pyridine have been synthesized hydrothermally by O and N donor ligands. The single x-ray diffraction reveals that CPs are mixed geometry. In CP 1, Zn1 is square pyramidal geometry and Zn3 is distorted octahedral. In CP 2, Zn1 is tetrahedral; Zn2 is distorted octahedral and Zn3 is square pyramid geometry. In CP 3, Zn metals are distorted octahedral. By interacting with intra- and intermolecular hydrogen bonds, all CPs are stable. The nature of these CPs is semiconducting. Methyl blue (MB), Methyl orange (MO), Methyl violet (MV), and Rhodamine B (RhB) are examples of organic pollutants against which the photocatalytic activity of CPs is studied. CP 3 (25 mg) have higher photocatalytic activity against MV (20 ppm) under pH 6 condition.
关键词Zn(II) Coordination polymers Photocatalytic activity MV
DOI10.1016/j.poly.2023.116693
发表期刊POLYHEDRON
ISSN0277-5387
卷号246页码:10
通讯作者Lu, Lu(lulusczg@126.com) ; Ghorai, Tanmay Kumar(tanmay.ghorai@igntu.ac.in)
收录类别SCI
WOS记录号WOS:001148625500001
语种英语