Abstract
A new Mn(II) MOF with mab-topology synthesized and used as photocatalyst against aromatic dyes.
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•A new Mn(II) MOF with mab topology synthesized using mixed ligand strategy.•The MOF was characterized using different physico-chemical techniques.•The MOF used as photocatalyst for photodegradation of dyes.
A new 3D metal–organic framework (MOF) with formula [Mn4(NDC)2(bb)4] (1) (H2NDC = 1,4-naphthalenedicarboxylic acid and bb = 4,4′- bis(imidazolyl) biphenyl), has been prepared and characterized using FTIR spectroscopy and single crystal X-ray. The single crystal X-ray analysis reveals that 1 comprises of 6-connected mab-type network with (44.610.8) point symbol. The photocatalytic properties of 1 to photodegrade aromatic dyes reveals that it could effectively photodegrade dyes viz. Rhodamine B (Rh B), Chrome Blue (CB), and methylene blue (MB). Moreover, the active species involved in the degradation of Rh B has been assessed using trapping experiments and band gap calculation has been performed to establish the plausible photocatalytic mechanism.