基于还原的席夫碱配体的两种配位聚合物,即[Zn 2((OOC)2 C 6 H 3 NHCH 2 C 6 H 4 COOH)2(C 10 H 8 N 2)(H 2 O)2 ]·3H 2 O(1)和[Zn 2((OOC)2 C 6 H 3 NHCH 2 C 6 H 4 COO)(C 10 H 8 N 2)2(HCOO)(H 2 O)]·H 2 O(2),已通过水热法获得并进行了结构表征。这两种化合物在P2 1 / c空间群中结晶。化合物1表现出双链结构,而化合物2表现出层结构。光致发光研究表明,化合物1和2在黄色区域显示强发射。
Dual-responsive luminescent sensors based on two Cd-MOFs: rare enhancement toward acac and quenching toward Cr<sub>2</sub>O<sub>7</sub><sup>2−</sup>
作者:Yu'e Yu、Yuhao Wang、Haijun Xu、Jing Lu、Huaiwei Wang、Dacheng Li、Jianmin Dou、Yunwu Li、Suna Wang
DOI:10.1039/d0ce00405g
日期:——
Two luminescent Cd-MOFs were employed as dual-responsive luminescence sensors to detect acac and Cr2O72− through turn-on and turn-off mechanisms.
两种发光的Cd-MOFs被用作双响应性发光传感器,通过开启和关闭机制检测acac和Cr2O72-。
Syntheses, Structural Characterization, and Properties of Mixed-valent Co<sup>II</sup>Co<sup>III</sup>and Zn<sup>II</sup>Coordination Polymers from 5-(4-Carboxybenzylamino)isophthalic Acid
The reaction of cobalt(II) and zinc(II) salts with 5-(4-carboxybenzylamino)isophthalicacid (H3L) in the presence of 1,2-bis(pyridin-4-yl)ethane (bpa) as auxiliary co-ligand under hydrothermal synthetic condition led to the formation of two complexes, [(CoII)0.25(CoIII)0.5(HL)(H2O)0.5(bpa)0.25]·2.5H2O}n (1) and [Zn(HL)(bpa)0.5]n (2), which were characterized by single crystal and powder X-ray diffraction
Multifunctional luminescent coordination polymers based on tricarboxylic acid for the detection of 2,4-dinitrophenol and iron(<scp>iii</scp>) and aluminum(<scp>iii</scp>) ions
作者:Mürsel Arici
DOI:10.1039/c8nj04046j
日期:——
nitroaromatic compounds and the detection limit of 1 for sensing DNP was 0.173 ppm. 1 was able to selectively detect Fe3+ ions over the other competing metal ions with the detection limit of 3.3 ppm. In addition, 1 dispersed in methanol sensitively and selectively detected Al3+ ions via luminescent enhancement over the other interfering metal ions with the detection limit of 0.764 ppm. The results
Structural Regulation of Two Polyoxometalate-Based Metal–Organic Frameworks for the Heterogeneous Catalysis of Quinazolinones
作者:Xiaoxue Huang、Zhen Zhou、Lan Qin、Daopeng Zhang、Haining Wang、Suna Wang、Lu Yang
DOI:10.1021/acs.inorgchem.3c00055
日期:——
flexible ligands and extended into two- or three-dimensional frameworks. The cyclic voltammetry and proton conductivity measurements of SDUT-21 and SDUT-22 were performed and indicated the high electron and proton transfer abilities. These materials also e xhibited the catalytic performance for the synthesis of quinazolinones in the heterogeneous state, and the different binding capacities toward the substrates
两个二聚体 ε- Zn 4 PMo 12 } 基金属有机框架 (MOF),[ε-PMo 8 V Mo 4 VI O 34 (OH) 6 Zn 4 ][LO] ( SDUT-21 , LO = [5 -((4'-羧基苄基)氧基)间苯二甲酸])和[TBA] 3 [ε-PMo 8 V Mo 4 VI O 37 (OH) 3 Zn 4 ][LN] ( SDUT-22 , TBA += 四丁基铵离子,LN = [5-((4-羧基苄基)亚氨基)间苯二甲酸]),结合多金属氧酸盐 (POM) 和 MOF 的优点,采用一锅法组装策略合成。二聚体 ε- Zn 4 PMo 12 } 单元充当节点,由柔性配体连接并扩展到二维或三维框架中。对SDUT-21和SDUT-22进行了循环伏安法和质子电导率测量,表明其具有高电子和质子转移能力。这些材料在非均相状态下也表现出合成喹唑啉酮的催化性能,对底物的不同结合能力导
Zinc(II) and cadmium(II) coordination polymers with a tricarboxylate containing reduced Schiff base ligand: Structural characterization and luminescent property
作者:Hai-Wei Kuai、Xiao-Chun Cheng、Xiao-Hong Zhu
DOI:10.1016/j.poly.2012.10.044
日期:2013.2
Three new coordination polymers, [Cd(HL)(phen)]center dot 2H(2)O (1), [Zn-2(L)(HCOO)(LIPY)(2)]center dot H2O (2) and [Zn-2(L)(mu(3)-OH)(bpy)]center dot 1.5H(2)O (3) [H3L = 5-(4-carboxybenzylamino)isophthalic acid, phen = 1,10-phenanthroline and bpy = 2,2'-bipyridine], have been prepared and characterized by single crystal and powder X-ray diffraction, IR, elemental and thermogravimetric analyses. Complex 1 displays a 1D neutral double-stranded chain structure. Complex 2 shows the uninodal 3-connected 2D (4.8(2)) fes network with in-situ generated [Zn-2(COO)(2)(bpy)(2)] as the secondary building unit (SBU). Complex 3 exhibits the 2-nodal (3,6)-connected 2D (4(3))(2)(4(6).6(6).8(3)) kgd net architecture containing in-situ generated [Zn-4(COO)(4)(mu(3)-OH)(2)(bpy)(2)] (SBU). Significantly, concrete hexanuclear clusters (Zn4O2) exist in 3. Taking hydrogen bonding interactions into account, extended 3D supramolecular frameworks of 1-3 can be built. The influences of the coordination modes of the ligand, coordination geometries of the metal centers, steric hindrance as well as reaction temperature on the structures of the resultant complexes are discussed. Furthermore, the luminescent properties of 1-3 were preliminarily investigated. (C) 2012 Elsevier Ltd. All rights reserved.