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题名: Synthesis, Structure, and Photo luminescent Properties of Metal-Organic Coordination Polymers Assembled with Bithiophenedicarboxylic Acid
作者: Zhao, Jiao1, 2;  Wang, Xiu-Li1, 2;  Shi, Xin3;  Yang, Qi-Hua1;  Li, Can1
刊名: INORGANIC CHEMISTRY
发表日期: 2011-04-18
DOI: 10.1021/ic101112b
卷: 50, 期:8, 页:3198-3205
收录类别: SCI
文章类型: Article
WOS标题词: Science & Technology ;  Physical Sciences
类目[WOS]: Chemistry, Inorganic & Nuclear
研究领域[WOS]: Chemistry
英文摘要: Four novel metal organic coordination polymers with the formulas Mn-3(btdc)(3)(DMF)(4) (1), Co(btdc)-(DMF)(3) (2), Zn(btdc)(DMF)(3) (3), and Zn(btdc)(4,4'-bpy)(0.5) (4), where H(2)btdc = 2,2'-bithiophene-5,5'-dicarboxylic acid, DMF = N,N'-dimethylformamide, and 4,4'-bpy = 4,4'-bipyridine, have been successfully synthesized. Crystal 1 with Mn2+ as the cation features a three-dimensional (3D) infinite framework built from trimanganese clusters, and crystals 2 and 3 with Co2+ and Zn2+, respectively, as the cation both have one-dimensional zigzag polymeric coordination chains. Crystal 4 synthesized using a mixture of 4,4'-bpy and H(2)btdc exhibits a triply interpenetrating 3D framework built from a dizinc paddlewheel second building unit with a distorted primitive cubic single net. The results of UV/vis spectra indicate that metal binding does not disturb the detailed electronic structure of the ligand. We also demonstrate that Zn2+ can greatly enhance the luminescence emission of the H(2)btdc ligand, and the emission intensity of crystal 4 is almost 20 times higher than that of the free H(2)btdc ligand. Steady-state and time-resolved spectroscopic measurement reveal that the more rigid environment of the btdc ligand can stabilize the highly excited long-lived states in metal-organic frameworks (MOFs), which thus greatly changes the emission properties of MOFs.
关键词[WOS]: SINGLE-CRYSTAL ;  FRAMEWORK ;  PHOTOLUMINESCENT ;  FLUORESCENCE ;  ZINC(II) ;  MOFS ;  2D
语种: 英语
WOS记录号: WOS:000290457700008
Citation statistics: 
内容类型: 期刊论文
URI标识: http://cas-ir.dicp.ac.cn/handle/321008/142395
Appears in Collections:中国科学院大连化学物理研究所_期刊论文

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作者单位: 1.Chinese Acad Sci, Dalian Inst Chem Phys, State Key Lab Catalysis, Dalian 116023, Peoples R China
2.Chinese Acad Sci, Grad Sch, Beijing 100049, Peoples R China
3.Liaoning Normal Univ, Dept Chem & Chem Engn, Inst Chem Functionalized Mat, Dalian 116029, Peoples R China

Recommended Citation:
Zhao, Jiao,Wang, Xiu-Li,Shi, Xin,et al. Synthesis, Structure, and Photo luminescent Properties of Metal-Organic Coordination Polymers Assembled with Bithiophenedicarboxylic Acid[J]. INORGANIC CHEMISTRY,2011,50(8):3198-3205.
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