Two- and three-dimensional Zn(II) coordination polymers constructed from mixed ligand systems: Interpenetration, structural transformation and sensing behavior

Min Kyung Park, Kwang Soo Lim, Ji Hey Park, Jeong Hwa Song, Dong Won Kang, Woo Ram Lee, Chang Seop Hong

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Four Zn(ii) coordination compounds (1-4) were prepared solvothermally by reacting Zn2+ ions and organic linkers of dim and carboxylic acid-based ligands. Two-dimensional structures (1 and 2), which are extended to three-dimensional frameworks with the assistance of multiple hydrogen bonding interactions, are formed by employing isophthalate-based organic ligands. 4-fold (3) and 3-fold (4) interpenetrations occur when organic linkers that have carboxylic acid groups located oppositely are used. Interestingly, the interpenetrating nets undergo phase transformation via two pathways involving solvent exchange/resolvation and solvent exchange/activation/resolvation, which reveals that the structures are flexible. Photoluminescence properties show the selective fluorescence quenching of 3 and 4 in nitrobenzene (NB) among the tested solvents. Such quenching is substantial even at low NB concentrations, which is associated with the existence of Lewis basic sites in the interpenetrating framework.

Original languageEnglish
Pages (from-to)4349-4358
Number of pages10
JournalCrystEngComm
Volume18
Issue number23
DOIs
Publication statusPublished - 2016

Fingerprint

coordination polymers
Polymers
Nitrobenzene
nitrobenzenes
Ligands
Carboxylic Acids
Carboxylic acids
carboxylic acids
ligands
Quenching
Ion exchange
quenching
Flexible structures
phase transformations
Photoluminescence
Hydrogen bonds
Phase transitions
Fluorescence
Chemical activation
activation

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Science(all)
  • Condensed Matter Physics

Cite this

Two- and three-dimensional Zn(II) coordination polymers constructed from mixed ligand systems : Interpenetration, structural transformation and sensing behavior. / Park, Min Kyung; Lim, Kwang Soo; Park, Ji Hey; Song, Jeong Hwa; Kang, Dong Won; Lee, Woo Ram; Hong, Chang Seop.

In: CrystEngComm, Vol. 18, No. 23, 2016, p. 4349-4358.

Research output: Contribution to journalArticle

Park, Min Kyung ; Lim, Kwang Soo ; Park, Ji Hey ; Song, Jeong Hwa ; Kang, Dong Won ; Lee, Woo Ram ; Hong, Chang Seop. / Two- and three-dimensional Zn(II) coordination polymers constructed from mixed ligand systems : Interpenetration, structural transformation and sensing behavior. In: CrystEngComm. 2016 ; Vol. 18, No. 23. pp. 4349-4358.
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