Syntheses, structures and chemical sensing properties of three complexes with mixed ligands of carboxylate and bipyridine

Chengli Jiao; Fen Li; Jian Zhang; Zhangpeng Li; Shuang Wang; Zhonggang Wang; Hao Yu; Zhibao Li; Shuang Liu; Ziqiang Wang; Xia Jiang; Lixian Sun; Fen Xu

doi:10.1039/C2DT31867A

Syntheses, structures and chemical sensing properties of three complexes with mixed ligands of carboxylate and bipyridine†

Chengli Jiao,^ab Fen Li,^a Jian Zhang,^a Zhangpeng Li,^c Shuang Wang,^ab Zhonggang Wang,^d Hao Yu,^d Zhibao Li,^ab Shuang Liu,^ab Ziqiang Wang,^ab Xia Jiang,^ab Lixian Sun*^ae and Fen Xu*^ef

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* Corresponding authors

^a Materials and Thermochemistry Laboratory, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, P. R. China
E-mail: lxsun@dicp.ac.cn
Fax: (+86)-411-84379213

^b Graduate School of the Chinese Academy of Sciences, Beijing 100049, P. R. China

^c State Key Laboratory of Solid Lubrication, Lanzhou Institute of Chemical Physics, Chinese Academy of Sciences, Lanzhou 730000, P. R. China

^d Department of Polymer Science and Engineering, State Key Laboratory of Fine Chemicals, School of Chemical Engineering, Dalian University of Technology, Dalian, P. R. China

^e Faculty of Materials Science and Engineering, Guilin University of Electronic Technology, Guilin, P. R. China

^f Faculty of Chemistry and Chemical Engineering, Liaoning Normal University, Dalian 116029, P. R. China

Abstract

Three mixed-ligand coordination polymers, [Cu(oda)(2,2′-bipy)]₂ (1), Ni₂(oda)₂(4,4′-bipy)·DMF (2), and [{Ni(oda)(H₂O)₂}₂(μ-4,4′-bipy)]·2H₂O (3) were synthesized and characterized. Complex 1 features a 1D chain via intermolecular π-π interactions. Complex 2 is a novel 3D microporous coordination polymer with 1D polarized channels. Complex 3 forms a 3D network via extensive hydrogen bonding interactions. Thermogravimetric analyses have been studied. The chemical sensing properties have been investigated in situ by quartz crystal microbalance (QCM). Complex 1 has a good sensitivity to toluene, complexes 2 and 3 have exceptionally high selectivity and sensitivity to water over organic solvents.

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Syntheses, structures and chemical sensing properties of three complexes with mixed ligands of carboxylate and bipyridine†

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Syntheses, structures and chemical sensing properties of three complexes with mixed ligands of carboxylate and bipyridine

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