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Three Polyoxometalate-Based Cu(Ⅱ) and Cu(Ⅰ) Coordination Polymers with Mono-and Bis-triazole Derivatives: Hydrothermal Assembly and Photocatalytic Properties
Author NameAffiliationE-mail
LIU Yuan-Yuan 1 Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry, Ministry of Education, College of Chemistry, Tianjin Normal University, Tianjin 300387, China
Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry, Ministry of Education, College of Chemistry, Tianjin Normal University, Tianjin 300387, China
State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210093, China 
hxxylyy@mail.tjnu.edu.cn 
LI Xin Shu Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry, Ministry of Education, College of Chemistry, Tianjin Normal University, Tianjin 300387, China  
ZHANG Hui-Min Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry, Ministry of Education, College of Chemistry, Tianjin Normal University, Tianjin 300387, China  
DING Bin Key Laboratory of Inorganic-Organic Hybrid Functional Material Chemistry, Ministry of Education, College of Chemistry, Tianjin Normal University, Tianjin 300387, China
State Key Laboratory of Coordination Chemistry, Nanjing University, Nanjing 210093, China 
 
Abstract: Three novel polyoxometalate (POM)-based Cu(Ⅱ) and Cu(Ⅰ) hybrid materials with multi-dentate mono-and bis-triazole derivatives, namely {[Cu(L1)2(Mo4O13)]·2H2O}n (1), {[Cu1.5(L2)(HL2)(H2O)(Mo4O13)]·2H2O}n (2), {[Cu2(L3)1.5(Mo4O13)]·H2O}n (3) (L1=4-pyridine-2-1,2,4-triazole, HL2=3-(4H-1,2,4-triazol-4-yl) benzoic acid,L3=trans-4,4'-azo-1,2,4-triazole) have been designed and synthesized by hydrothermal method. The structures of 1~3 have been determined by single crystal X-ray diffraction, FT-IR infrared spectra and powder X-ray diffraction analyses. In 1, Mo4O132- anions and Cu(Ⅱ) centers are inter-linked by bidentate L1, which are arranged into 2D POMs-based Cu(Ⅱ) hybrid metal-organic framework. In 2, Mo4O132- anions and Cu(Ⅱ) centers are inter-linked via bridging aqua atoms (O18), bi-dentate HL2 and tri-dentate L2-, which are arranged into 3D POM-based Cu(Ⅱ) micro-porous metal-organic framework. In 3, L3 ligands bridge neighboring Cu(Ⅰ) centers and Mo4O132- anions, which ultimately forms unique two-fold interpenetrating 3D POM-based Cu(Ⅰ) hybrid coordination framework. Photocatalytic activities for decomposition of different organic dyes of rhodamine B (RhB), methylene blue (MB) and methyl orange (MO) have been investigated for 1~3, indicating that 1~3 are good candidates for photocatalytic degradation of the organic dyes.
Keywords: triazole  Cu (Ⅱ)  Cu (Ⅰ)  polyoxometalate  photocatalytic
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LIU Yuan-Yuan,LI Xin Shu,ZHANG Hui-Min,DING Bin.Three Polyoxometalate-Based Cu(Ⅱ) and Cu(Ⅰ) Coordination Polymers with Mono-and Bis-triazole Derivatives: Hydrothermal Assembly and Photocatalytic Properties[J].Chinese Journal of Inorganic Chemistry,2018,34(12):2280-2290.
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Chinese Journal of Inorganic Chemistry