Synthesis, Crystal Structure, Luminescence Sensing of a Zn(II) Coordination Polymer Based on 2,5-Dihydroxyterephthalic Acid and 2,2'-Bipyridine

15 Pages Posted: 4 Sep 2020

See all articles by Linan Dun

Linan Dun

affiliation not provided to SSRN

Baosheng Zhang

affiliation not provided to SSRN

Jiajun Wang

Jilin University (JLU) - College of Chemistry

He Wang

Jilin University (JLU)

Xue Chen

Jilin University (JLU) - College of Chemistry

Chuanbi Li

Jilin University (JLU) - College of Chemistry

Abstract

Abstract: A new coordination polymer, namely, [Zn(Bpy)(DHTA)0.5]n (DHTA = 2,5-dihydroxy-1,4-terephthalic acid tetra-anion, Bpy = 2,2'-bipyridine) has been synthesized under hydrothermal conditions. The structure has been determined by single crystal X-ray diffraction, thermal gravimetric analysis, infrared spectrum and luminescent properties. The [Zn(Bpy)(DHTA)0.5]n contains one Zn(II), the metal center Zn(II) is five-coordinated. Complex 1 was stable up to 380 oC, and a sharp weight loss in the temperature range 380-570 oC was observed, the residual is zinc(II) oxide (ZnO). The complex 1 exhibits an emission at 365 nm (λex = 316 nm). The photoluminescence results suggest that complex 1 has potential as a new luminescence material. The quantum chemistry calculations results indicate that the atomic net charge distribution in the complex 1 shows obvious covalent interactions between the coordinated atoms and Zn(II) ion. Meanwhile, the ΔE (ELUMO - EHOMO) value to be - 0.096 a.u. The luminescence explorations demonstrated that complex 1 exhibits highly selective and sensitive sensing for organic solvents (DMK) and metal ion (Fe3+).

Keywords: Hydrothermal synthesis, Crystal structure, Luminescent sensing, Zinc.

Suggested Citation

Dun, Linan and Zhang, Baosheng and Wang, Jiajun and Wang, He and Chen, Xue and Li, Chuanbi, Synthesis, Crystal Structure, Luminescence Sensing of a Zn(II) Coordination Polymer Based on 2,5-Dihydroxyterephthalic Acid and 2,2'-Bipyridine. Available at SSRN: https://ssrn.com/abstract=3686519

Linan Dun

affiliation not provided to SSRN

No Address Available

Baosheng Zhang

affiliation not provided to SSRN

No Address Available

Jiajun Wang

Jilin University (JLU) - College of Chemistry

Changchun, 130012
China

He Wang

Jilin University (JLU)

Guilin Road
Chaoyang, Changchun 130021
China

Xue Chen

Jilin University (JLU) - College of Chemistry

Changchun, 130012
China

Chuanbi Li (Contact Author)

Jilin University (JLU) - College of Chemistry ( email )

Changchun, 130012
China

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