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Proton conduction and luminescent sensing property of two newly constructed positional isomer-dependent redox-active Mn(II)-organic frameworks by Jin-long Zhu; Peizhi Zhu; Jiahao Mei; Ju Xie; Jiawen Guan; Kou-Lin Zhang is a Chemistry article available to read on EtoBox.

What is Proton conduction and luminescent sensing property of two newly constructed positional isomer-dependent redox-active Mn(II)-organic frameworks about?

Recently, investigation of proton conduction and luminescent sensing property of crystalline MOFs-based materials have attracted intensive attention. Herein, two luminescent and redox-active Mn(II)-organic frameworks (MOFs) based on the multi-functional 5-iodoisophthalic acid (H2iip) and a pair of positional isomers N,N′-bis(3-pyridylmethyl)oxalamide (3bpmo) and N,N′-bis(4-pyridylmethyl)oxalamide (4bpmo), {[Mn(iip)(3bpmo)0.5·(H2O)]·0.5(3bpmo)}n (1) and {[Mn(iip)(4bpmo)·(H2O)]·(H2O)}n (2), were obtained at ambient conditions. 1 is a 2D (4, 4) topological framework which further extends into a 3D supramolecular architecture pillared by the interstitial 3bpmo molecule via 1D hydrogen-bonded tape between the coordinated 3bpmo ligand and lattice 3bpmo molecule. 2 shows a 2D centro-symmetric double-layer structure. The R2 2(8) hydrogen-bonded ring further holds the adjacent 2D layers into a 3D supramolecular network. The wide indirect band gap exists in both 1 and 2, which is further illustrated by the calculation based on the Density Functional Theory using Materials studio software. The electrochemical studies suggest that the positional isomers 3bpmo and 4bpmo have great influence on

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Author

Jin-long Zhu; Peizhi Zhu; Jiahao Mei; Ju Xie; Jiawen Guan; Kou-Lin Zhang

Publisher

Elsevier BV

Published

2021

Language

EN

Field

Chemistry (Physical Sciences)