Synthesis, Structures and Properties of Coordination Polymers with 4-Aminopyridine and Benzenedicarboxylate Ligands PDF Download
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Author: 陳冠廷
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Languages : en
Pages :
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Author: 陳冠廷
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Languages : en
Pages :
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Author: 張妙寧
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Languages : en
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Author: Minhui Cong
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Languages : de
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Author: Rebecca Clulow
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Category : Coordination polymers
Languages : en
Pages : 0
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Author: 鄭佩琪
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Category :
Languages : en
Pages :
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Author: Srinija Kakumanu
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Category : Coordination polymers
Languages : en
Pages : 140
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Author: Maged S. Al-Fakeh
Publisher: LAP Lambert Academic Publishing
ISBN: 9783846521311
Category :
Languages : en
Pages : 300
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1,4-Benzenedicarboxylate(BDC), 1,1'-ferrocenedicarboxylate(FDC) and their metal complexes are of considerable interest due to their chemical and biological importance. Thiazoles represent a very interesting class of compounds because of their pharmaceutical, analytical and industrial applications. The aim of this work is therefore to synthesize and characterize a series of transition and non-transition metal coordination polymers derived from 1,4-benzenedicarboxylate and / or 1,1'-ferrocenedicarboxylate and thiazoles, to explore their structures and biological activities. A study of the thermal behaviour of these complexes is important to elucidate the kinetic and mechanistic aspects of their thermolysis as well as their stabilities. It is also aimed to study the voltammetric behaviour of these complexes to gain more understanding about the chemistry of these compounds.
Author: Mona Feizbakhsh Bazargani
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Languages : de
Pages : 0
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The present work deals with the preparation and characterization of ten new coordination polymers prepared from different metal ions and ligands by different synthetic methods. In addition to the structural characterization of these compounds by means of X-ray singlecrystal diffraction data, the focus is on the consideration of thermal and spectroscopic properties. The new silver coordination polymer exhibits very unique, robust and interesting polymeric structure with high thermal stability. Two new lanthanide coordination polymers (neodymium and samarium) have been synthesized with H2FDA = 2,5-furandicarboxylic acid in DMF as solvent via capped tube method. The compounds are iso-structural and exhibit threedimensional coordination polymers. The goal of using DMF as pure solvent instead of mixture of water and other solvents was to synthesize new coordination polymer which might show very intensive luminescence effect. The investigation has turned out that these compounds emerge no significant luminescence effect. As it has been reported in previous works in which the H2FDA = 2,5-furandicarboxylic acid was used for construction of lanthanide coordination polymers in water as solvent, however the compounds have exposed very interesting luminescence properties [229-230]. A new cerium coordination polymer has been produced with ligand (H2pdc = 3,5-pyrazoledicarboxylic acid) under solvothermal condition in DMF as solvent. Indeed, ligand (H2pdc = 3,5-pyrazoledicarboxylic acid) is very versatile to construct coordination network by various coordination modes. Three copper (I) coordination polymers have been successfully synthesized via solvent diffusion technique in test tube. The compounds all display 1D polymeric structure with rather similar coordination environment around metal ions. Moreover, they are very stable against temperature rising. The compounds [Pb3(CH3COO)2(N3)4]n and [Na2Pb2(CH3COO)6]n were synthesized under same synthesis conditions and starting materials but with different metal salt and ligand ratios. Interestingly, the both products show three-dimentional frameworks, however they expose different coordination structures. Actually, the investigation shows that the changing metal salt and ligand ratio can result in the formation different structures of coordination networks, although they have been produced under same reaction conditions. Compound [Pb(DHBDA)]n has been made with ligand 2,5-Dihydroxy-1,4-benzenediacetic acid which has been reported in very few works for constructing coordination compounds.
Author:
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Languages : en
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Publisher: Academic Press
ISBN: 0123743966
Category : Science
Languages : en
Pages : 2785
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From the Introduction: Nanotechnology and its underpinning sciences are progressing with unprecedented rapidity. With technical advances in a variety of nanoscale fabrication and manipulation technologies, the whole topical area is maturing into a vibrant field that is generating new scientific research and a burgeoning range of commercial applications, with an annual market already at the trillion dollar threshold. The means of fabricating and controlling matter on the nanoscale afford striking and unprecedented opportunities to exploit a variety of exotic phenomena such as quantum, nanophotonic and nanoelectromechanical effects. Moreover, researchers are elucidating new perspectives on the electronic and optical properties of matter because of the way that nanoscale materials bridge the disparate theories describing molecules and bulk matter. Surface phenomena also gain a greatly increased significance; even the well-known link between chemical reactivity and surface-to-volume ratio becomes a major determinant of physical properties, when it operates over nanoscale dimensions. Against this background, this comprehensive work is designed to address the need for a dynamic, authoritative and readily accessible source of information, capturing the full breadth of the subject. Its six volumes, covering a broad spectrum of disciplines including material sciences, chemistry, physics and life sciences, have been written and edited by an outstanding team of international experts. Addressing an extensive, cross-disciplinary audience, each chapter aims to cover key developments in a scholarly, readable and critical style, providing an indispensible first point of entry to the literature for scientists and technologists from interdisciplinary fields. The work focuses on the major classes of nanomaterials in terms of their synthesis, structure and applications, reviewing nanomaterials and their respective technologies in well-structured and comprehensive articles with extensive cross-references. It has been a constant surprise and delight to have found, amongst the rapidly escalating number who work in nanoscience and technology, so many highly esteemed authors willing to contribute. Sharing our anticipation of a major addition to the literature, they have also captured the excitement of the field itself in each carefully crafted chapter. Along with our painstaking and meticulous volume editors, full credit for the success of this enterprise must go to these individuals, together with our thanks for (largely) adhering to the given deadlines. Lastly, we record our sincere thanks and appreciation for the skills and professionalism of the numerous Elsevier staff who have been involved in this project, notably Fiona Geraghty, Megan Palmer and Greg Harris, and especially Donna De Weerd-Wilson who has steered it through from its inception. We have greatly enjoyed working with them all, as we have with each other.
