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Hydrogen bonded-extended lanthanide coordination polymers decorated with 2,3-thiophenedicarboxylate and oxalate: synthesis, structures, and properties

21-10-2014 | zhaohao li; Li-Ping Xue; Li-Li Shang; bangtun zhao; jian kan; Weiping Su, CrystEngComm, 2014

Five new lanthanide coordination polymers, {[Ln2(tdc)2(C2O4)(H2O)4]•(H2O)}n (Ln = Nd (1), Eu (2), Gd (3), Tb (4), Ho (5); H2tdc = 2,3-thiophenedicarboxylic acid), have been synthesized by hydrothermal reactions of H2tdc, sodium oxalate and corresponding lanthanide nitrate. Crystallographic data ...

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Assembly of Cd(II) Coordination Polymers: Structural Variation, Supramolecular Isomers, and Temperature/Anion-induced Solvent-mediated Structural Transformations

21-10-2014 | Shuang-Shuang Hou; Xuan Huang; Jun-Gu Guo; Shengrun Zheng; Jing Lei; Jing-Bo Tan; Jun Fan; Wei-Guang Zhang, CrystEngComm, 2014

The reactions of Cd(II) salts and 5-(3-(1H-imidazol-1-yl)phenyl)-1H-tetrazolate (3-HIPT) resulted to eight new coordination polymers (CPs), namely, {[Cd(3-IPT)2(H2O)2]•H2O}n (1 and 2), {[Cd(3-IPT)2(H2O)2]•2H2O}n (3), [Cd(3-IPT)(H2O)Cl]n (4), [Cd(3-IPT)Cl]n (5), [Cd(3-HIPT)I2]n (6), [Cd(3-IPT)I]n ...

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Light-harvesting capabilities of low band gap donor–acceptor polymers

21-10-2014 | Svante Hedström; Patrik Henriksson; Ergang Wang; Mats R. Andersson; Petter Persson, Physical Chemistry Chemical Physics, 2014

A series of nine donor–acceptor polymers, including three new and six polymers from previous work, have been investigated experimentally and theoretically. The investigation focuses on narrow band gaps and strong absorptions of the polymers, where experimentally determined first peak absorption ...

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Donor–acceptor conjugated polymers based on multifused ladder-type arenes for organic solar cells

21-10-2014 | Jhong-Sian Wu; Sheng-Wen Cheng; Yen-Ju Cheng; Chain-Shu Hsu, Chemical Society Reviews, 2014

Harvesting solar energy from sunlight to generate electricity is considered as one of the most important technologies to address the future sustainability of humans. Polymer solar cells (PSCs) have attracted tremendous interest and attention over the past two decades due to their potential ...

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Five 8-Hydroxyquinolinate-Based Coordination Polymers with Tunable Structures and Photoluminescent Properties for Sensing Nitroaromatics

21-10-2014 | Liyan Zhang; Liying Sun; Xinyuan Li; Yulan Tian; Guozan Yuan, Dalton Transactions, 2014

By using two 8-hydroxyquinolinate ligands (L1-MOM and L2-MOM) containing 3-pyridyl or 4-pyridyl group, five novel coordination polymers, namely [Zn3(L1)6] (1), [Zn(L1)2]•2MeOH (2), [Zn(L2)2] (3), [Cd(L2)2] (4), and [Cd4(L1)6]•13H2O (5), were synthesized and characterized by a variety of ...

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Crystal engineering, structure–function relationships, and the future of metal–organic frameworks

21-10-2014 | Mark D. Allendorf; Vitalie Stavila, CrystEngComm, 2014

Metal–Organic Frameworks (MOFs) are a rapidly expanding class of hybrid organic–inorganic materials that can be rationally designed and assembled through crystal engineering. The explosion of interest in this subclass of coordination polymers results from their outstanding properties and myriad ...

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The various architectures and properties of a series of coordination polymers tuned by the central metals and auxiliary N-donor ligands

21-10-2014 | He Wu; Wujuan Sun; Ting Shi; Xuzhao Liao; Wenjie Zhao; Xuwu Yang, CrystEngComm, 2014

Five new coordination polymers, namely, [Zn(HL)(bib)]n•2nH2O (1), [Zn2(L)(μ3-OH)(H2O)]n•2nH2O (2), [Cd1.5(L) (H2O)2]n•0.5nH2O (3), [Cd1.5(L) (CH3CN)]n•0.5nH2O (4) and [Cd1.5(L)(bib)(H2O)2]n•nH2O (5), (H3L = biphenyl-2,4′,5-tricarboxylic acid, bib = 4,4′-bis(imidazol-1-yl)phenyl) have been ...

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From 1 [rightward arrow] 3 dendritic designs to fractal supramacromolecular constructs: understanding the pathway to the Sierpinski gasket

21-10-2014 | George R. Newkome; Charles N. Moorefield, Chemical Society Reviews, 2014

The iterative synthetic protocols used for dendrimer construction were developed based on the desire to easily craft highly branched macromolecules with ideally an exact mass and tailored functionality. Inspired by arboreal design and precursors of the utilitarian macromolecules known as ...

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1,2,4,5-Benzenetetrasulfonic acid and 1,4-Benzenedisulfonic acid as sulfo analogues of pyromellitic and terephthalic acid for building coordination polymers of manganese

21-10-2014 | Mathias Siegfried Wickleder; Jens Christoffers; Thomas Muesmann; Christina Zitzer; Christian Schwickert; Rainer Pöttgen, CrystEngComm, 2014

The new polysulfonic acids H4B4S (1,2,4,5-benzenetetrasulfonic acid) and H2BDS (1,4-benzenedisulfonic acid) were used for the preparation of five manganese coordination polymers. The reactions of H4B4S and MnCO3 were performed in dimethylformamide (DMF) or N-methylpyrrolidone (NMP) as solvents in ...

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From structure to function via complex supramolecular dendrimer systems

21-10-2014 | Hao-Jan Sun; Shaodong Zhang; Virgil Percec, Chemical Society Reviews, 2014

This tutorial review summarizes strategies elaborated for the discovery and prediction of programmed primary structures derived from quasi-equivalent constitutional isomeric libraries of self-assembling dendrons, dendrimers and dendronized polymers. These libraries demonstrate an 82% ...

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