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Three Complexes Based on Pyridine-Pyrazine-Hydrazone Ligand: Syntheses, Photocatalysis and Luminescent Properties
Author NameAffiliationE-mail
XU Zhou-Qing College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, Henan 454000, China  
HE Ya-Ling College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, Henan 454000, China  
LI Qing-Qing College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, Henan 454000, China  
ZHANG Pei-Ling College of Physics and Electronic Information, Henan Polytechnic University, Jiaozuo, Henan 454000, China plzhang@hpu.edu.cn 
LI Hui-Jun College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, Henan 454000, China lihuijunxgy@hpu.edu.cn 
WANG Yuan College of Chemistry and Chemical Engineering, Henan Polytechnic University, Jiaozuo, Henan 454000, China wangyuan08@hpu.edu.cn 
Abstract: Three novel complexes, namely {[Zn3(L)2(SO4)2(H2O)4]·H2O}n (1), {[Cd2(L)2(SO4)(H2O)]·H2O}n (2) and {[Cd(L)I]·CH3OH}n (3). (HL=N'-nicotinoylpyrazine-2-carbohydrazonamide), have been synthesized and character-ized by elemental analyses, infrared spectra and single-crystal X-ray diffraction analyze. In complex 1, Zn(Ⅱ) ions are connected by μ3,η1η1η1-SO42- anions to form a inorganic layer motif in bc plane, and the L- ligands are decorated on both sides of the layer. Adjacent layers are connected by hydrogen-bonding interactions giving rise to 3D supramolecular network. The 2D complex 2 is formed by the[(Cd2)2(μ2-SO4)2] units and Cd1 ions which are connected by the ligands. Adjacent layers of 2 are extended into 3D supramolecular network by ππ interactions. Zigzag 1D chains of complex 3 are connected by intermolecular hydrogen bonds into extended plane structure. The photocatalytic degradation of methylene blue (MB) results indicate that complexes 1~3 are excellent candidates as photocatalysts in decomposing MB with the presence of H2O2. In addition, the luminescent properties of these three complexes have been studied in the solid state.
Keywords: metal-organic framework  luminescent property  photocatalytic degradation
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XU Zhou-Qing,HE Ya-Ling,LI Qing-Qing,ZHANG Pei-Ling,LI Hui-Jun,WANG Yuan.Three Complexes Based on Pyridine-Pyrazine-Hydrazone Ligand: Syntheses, Photocatalysis and Luminescent Properties[J].Chinese Journal of Inorganic Chemistry,2018,34(4):757-766.
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Chinese Journal of Inorganic Chemistry