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Synthesis of a Zn(II)-based 1D zigzag coordination polymer for the fabrication of optoelectronic devices with remarkably high photosensitivity

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Abstract

A Zn(II) based one-dimensional coordination polymer (1D CP), [Zn4(adc)4(4-cltpy)4]·CH3OH·2H2O (1) (H2adc = acetylenedicarboxylic acid and 4-cltpy = 4′-chloro-[2,2′;6′,2′′] terpyridine), has been synthesized by a slow diffusion method and characterized by X-ray crystallography. Here, the linear adc ligand acts as the linker between two Zn(II) centers and a chelating 4-cltpy ligand is appended at the metal node. The connectivity of the ligands with metal ions generates a 1D zigzag polymeric chain. The zigzag chains are aggregated through various secondary interactions to construct a three-dimensional (3D) structure. The optical band gap has been determined and correlated with the theoretical band gap calculated by density functional theory (DFT) computations, which reveals that compound 1 possesses semiconducting properties. Moreover, compound 1 shows remarkably high photosensitivity (PS = 1134) upon illumination by light. Therefore, compound 1 has the potential to be used in optoelectronic devices and solar cells.

Graphical abstract: Synthesis of a Zn(ii)-based 1D zigzag coordination polymer for the fabrication of optoelectronic devices with remarkably high photosensitivity

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Publication details

The article was received on 14 Feb 2019, accepted on 26 Mar 2019 and first published on 26 Mar 2019


Article type: Research Article
DOI: 10.1039/C9QI00162J
Citation: Inorg. Chem. Front., 2019, Advance Article

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    Synthesis of a Zn(II)-based 1D zigzag coordination polymer for the fabrication of optoelectronic devices with remarkably high photosensitivity

    B. Dutta, D. Das, J. Datta, A. Chandra, S. Jana, C. Sinha, P. P. Ray and M. H. Mir, Inorg. Chem. Front., 2019, Advance Article , DOI: 10.1039/C9QI00162J

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