Статті в журналах з теми "Metal-Organic Hybrid Complexes"

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1

Bezombes, Jean-Philippe, Claude Chuit, Robert R. J. Corriu, and Catherine Reyé. "Organic–inorganic hybrid materials containing metal phosphine complexes." Journal of Organometallic Chemistry 643-644 (February 2002): 453–60. http://dx.doi.org/10.1016/s0022-328x(01)01489-9.

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2

Li, Wenpan, Xiu Xin, Shasha Jing, Xirui Zhang, Kang Chen, Dawei Chen, and Haiyang Hu. "Organic metal complexes based on zoledronate–calcium: a potential pDNA delivery system." Journal of Materials Chemistry B 5, no. 8 (2017): 1601–10. http://dx.doi.org/10.1039/c6tb03041f.

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3

Guo, Fang, and Javier Martí-Rujas. "Second sphere coordination of hybrid metal–organic materials: solid state reactivity." Dalton Transactions 45, no. 35 (2016): 13648–62. http://dx.doi.org/10.1039/c6dt01860b.

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4

Kamath, Amarjit, Dipu Kumar Mishra, Dhiraj Brahman, Guillaume Pilet, Biswajit Sinha та Abiral Tamang. "Poly[diaquo(1,10-phenanthroline-κ2N1:N10)(μ2-sulphato-κ2O:O′)copper(ii)]: hydrothermal synthesis, crystal structure and magnetic properties". RSC Advances 6, № 51 (2016): 46030–36. http://dx.doi.org/10.1039/c6ra03493d.

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5

Hu, Yang-Yang, Ting-Ting Zhang, Xiao Zhang, De-Chuan Zhao, Xiao-Bing Cui, Qi-Sheng Huo, and Ji-Qing Xu. "New organic–inorganic hybrid compounds constructed from polyoxometalates and transition metal mixed-organic-ligand complexes." Dalton Transactions 45, no. 6 (2016): 2562–73. http://dx.doi.org/10.1039/c5dt04413h.

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6

Xin, Shu-Sheng, Ming-Hua Zhou, Michael A. Beckett, and Chun-Yang Pan. "Recent Advances in Crystalline Oxidopolyborate Complexes of d-Block or p-Block Metals: Structural Aspects, Syntheses, and Physical Properties." Molecules 26, no. 13 (June 22, 2021): 3815. http://dx.doi.org/10.3390/molecules26133815.

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Crystalline materials containing hybrid inorganic–organic metal borates (complexes with oxidoborate ligands) display a variety of novel framework building blocks. The structural aspects of these hybrid metallaoxidoborates containing Cd(II), Co(II), Cu(II), Ga(III), In(III), Mn(II), Ni(II) or Zn(II) metal centers are discussed in this review. The review describes synthetic approaches to these hybrid materials, their physical properties, their spectroscopic properties and their potential applications.
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7

Liu, Yan, Yumei Zhang, Xuejian Li, Qipeng Yuan, and Hao Liang. "Self-repairing metal–organic hybrid complexes for reinforcing immobilized chloroperoxidase reusability." Chemical Communications 53, no. 22 (2017): 3216–19. http://dx.doi.org/10.1039/c6cc10319g.

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8

Xiao, Li-Na, Chun-Xiang Zhao, Xiao-Ming Shi, Hao Zhang, Wen Wu, and Xiao-Bing Cui. "Three new compounds based on similar molybdenum–vanadium clusters and several types of copper complexes." CrystEngComm 20, no. 7 (2018): 969–77. http://dx.doi.org/10.1039/c7ce01908d.

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9

Bhat, Satish S., Vidyanand K. Revankar, Ayesha Khan, Raymond J. Butcher, and Krishnachary Thatipamula. "Supramolecular architecture and photophysical and biological properties of ruthenium(ii) polypyridyl complexes." New Journal of Chemistry 39, no. 5 (2015): 3646–57. http://dx.doi.org/10.1039/c4nj02394c.

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A two-dimensional cyclic hybrid water–chloride anionic network has been structurally characterized in a metal–organic matrix. DNA interactions and the cytotoxicity of ruthenium(ii) complexes have been studied.
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10

Zhao, De-Chuan, Yang-Yang Hu, Hong Ding, Hai-Yang Guo, Xiao-Bing Cui, Xiao Zhang, Qi-Sheng Huo, and Ji-Qing Xu. "Polyoxometalate-based organic–inorganic hybrid compounds containing transition metal mixed-organic-ligand complexes of N-containing and pyridinecarboxylate ligands." Dalton Transactions 44, no. 19 (2015): 8971–83. http://dx.doi.org/10.1039/c5dt00201j.

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11

Xu, X. Y., and B. Yan. "Novel photofunctional hybrid materials (alumina and titania) functionalized with both MOF and lanthanide complexes through coordination bonds." RSC Adv. 4, no. 73 (2014): 38761–68. http://dx.doi.org/10.1039/c4ra05704j.

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Анотація:
Multi-component sol–gel derived alumina and titania hybrid materials are assembled by the functionalization of both lanthanide complexes and a special metal organic framework compound: Al-MIL-53-COOH through coordination bonds. Multi-color luminescence and white colored light can be tuned by controlling the different units in the hybrid system.
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12

Liu, Ke. "Fluorescent Probes Based on Metal and Aggregation-induced Luminescent Organic Molecule Complexes for Bioimaging and Sensing Applications." Applied Science and Innovative Research 7, no. 2 (May 12, 2023): p114. http://dx.doi.org/10.22158/asir.v7n2p114.

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Metal-Organic Coordination polymer (MOCPs) is an emerging class of inorganic-organic porous hybrid materials with infinite coordination polymers (CPs) or metal-organic backbones (MOFs) formed by the interaction between metal ions and organic ligands and ligand functional groups. The molecular structure of the organic ligands composing MOCPs is rich in variation, while inorganic metal ions generally have good photoelectromagnetic properties. Therefore, MOCPs have diverse structural variations, adjustable pore size, high stability and controllable synthesis, and have received wide attention in gas storage, multiphase catalysis, chemical sensing and biological applications. Fluorescence properties are one of the most widely used techniques for bioimaging and sensing detection. However, conventional luminescent groups are usually affected by aggregation-induced quenching (ACQ) effects. Aggregation-induced luminescence molecules (AIEs) based on metal-organic coordination polymers combine the advantages of organic AIEs and transition metal centers to improve photophysical properties and therapeutic effects.
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13

Lü, Ying, Li-Na Xiao, Xiang-Rong Hao, Xiao-Bing Cui, and Ji-Qing Xu. "A series of organic–inorganic hybrid compounds formed by [P2W18O62]6−and several types of transition metal complexes." Dalton Trans. 46, no. 41 (2017): 14393–405. http://dx.doi.org/10.1039/c7dt02814h.

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Анотація:
A series of new organic–inorganic hybrid compounds based on [P2W18O62]6−and several types of transition metal complexes have been synthesized and characterized.
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14

Guo, Hai-Yang, Zhi-Fang Li, Xiao Zhang, Li-Wei Fu, Yang-Yang Hu, Lan-Lan Guo, Xiao-Bing Cui, Qi-Sheng Huo, and Ji-Qing Xu. "New self-assembly hybrid compounds based on arsenic–vanadium clusters and transition metal mixed-organic-ligand complexes." CrystEngComm 18, no. 4 (2016): 566–79. http://dx.doi.org/10.1039/c5ce01983d.

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15

Zhou, Huajun, Cynthia S. Day, and Abdessadek Lachgar. "Assembly of Hybrid Inorganic−Organic Materials from Octahedral Nb6Clusters and Metal Complexes." Chemistry of Materials 16, no. 24 (November 2004): 4870–77. http://dx.doi.org/10.1021/cm049007w.

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16

Shi, Zhan, Lirong Zhang, Guangshan Zhu, Guoyu Yang, Jia Hua, Hong Ding, and Shouhua Feng. "Inorganic/Organic Hybrid Materials: Layered Vanadium Oxides with Interlayer Metal Coordination Complexes." Chemistry of Materials 11, no. 12 (December 1999): 3565–70. http://dx.doi.org/10.1021/cm990361h.

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17

Rooydell, Reza, Ruey-Chi Wang, Sanjaya Brahma, Farzaneh Ebrahimzadeh та Chuan-Pu Liu. "Synthesis and characterization of bis (acetylacetonato κ-O, O′) [zinc(ii)/copper(ii)] hybrid organic–inorganic complexes as solid metal organic precursors". Dalton Transactions 44, № 17 (2015): 7982–90. http://dx.doi.org/10.1039/c5dt00808e.

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18

Kaczmarek, Anna M., and Pascal Van Der Voort. "Light-Emitting Lanthanide Periodic Mesoporous Organosilica (PMO) Hybrid Materials." Materials 13, no. 3 (January 24, 2020): 566. http://dx.doi.org/10.3390/ma13030566.

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Анотація:
Periodic mesoporous organosilicas (PMOs) have a well ordered mesoporous structure, a high thermal and mechanical stability and a uniform distribution of organic functionalities in the pore walls. The organic groups allow PMOs to be modified and functionalized by using a wide range of organic reactions. Since their first report in 1999, PMOs have found a vast range of applications, such as for catalysis, adsorbents, low-k films, biomedical supports and also for optical applications. Optical applications are very interesting as PMOs offer the possibility of designing advanced luminescent hybrid materials comprising of organic components, yet with much higher stability and very good processability. Despite their promising possibilities, the optical properties of pristine PMOs and PMOs grafted with d-metal or f-metal ions and complexes have been explored less frequently. In this review, we aimed to overview the exciting light emitting properties of various reported lanthanide PMO hybrid materials and interest the reader in this promising application for lanthanide PMO materials.
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19

Rahbani, Noura, Piotr de Silva, Corentin Bellay, Solène Guihéneuf, Thibault Godet-Bar, and Emmanuel Baudrin. "Screening of First-Row Transition Metal Complexes for Aqueous Redox Flow Batteries: Experimental and Density Functional Theory Approaches." ECS Meeting Abstracts MA2023-02, no. 59 (December 22, 2023): 2862. http://dx.doi.org/10.1149/ma2023-02592862mtgabs.

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The development of redox flow batteries took new directions in the last decades. From initial metal-based systems, it evolved towards organic and hybrid approaches in aqueous media. Furthermore, redox targeting flow batteries are an emerging alternative to the traditional redox flow battery architecture which offer improved energy density via an added electroactive solid ‘booster’. Whatever the system, there is a need of soluble electroactive species with potentials allowing large cell potentials within the water stability window or imperative redox potentials matching between soluble redox mediator and the solid for redox targeting. Transition metal complexes are a promising class of redox electroactive centers due to the tunability of their solubility and electrochemical potential, and the ability to take into account sustainability1. Recent reports underlined for instance that either the modification of the ligand2 or using heteroleptic complexes3, can lead to iron complexes with solubilities higher than 1 M and potentials higher than 1 V vs SHE. Furthermore, reliable and time-efficient prediction tools for the redox potentials of transition metal complexes are needed to help the search for new potential systems. While density functional theory usually provides a good trade-off between computational cost and accuracy, calculations on transition metal complexes often result in large errors. We thus developed a procedure and compared different solvation methods and levels of theory using an initial experimental data set based on aqueous iron complexes with bidentate ligands (Figure 1). In the present contribution, we will illustrate this coordination approach through a screening of new complexes based on non-toxic and affordable transition metal complexes. In this perspective, electrochemical characterization at different pH, coupled with NMR and UV-Visible studies will be presented, to screen for new candidates as electrolyte in redox flow batteries. Finally, we will show how the calculations corrected using a simple linear regression using training data yields a good prediction of redox potentials (mean average error =0.09 V). References: (1) Robb B.H.; Waters S.E.; Marshak M.P., Evaluating aqueous flow battery electrolytes: a coordinated approach, Dalton Trans., 2020; 49: 16047. (2) Gao J, Amini K, George TY, et al. A High Potential, Low Capacity Fade Rate Iron Complex Posolyte for Aqueous Organic Flow Batteries. Adv Energy Mater. 2022; 12: 2202444. (3) Li X, Gao P, Lai YY, et al. Symmetry-breaking design of an organic iron complex catholyte for a long cyclability aqueous organic redox flow battery. Nat Energy. 2021;6(9):873 Figure 1
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20

Kong, Deyuan, Xiang Ouyang, Joseph Reibenspies, Abraham Clearfield, and Arthur E. Martell. "Inorganic–organic hybrid metal complexes: 24-membered hexaazamacrocyclic dinuclear nickel complexes hybridized with CdBr 4 2−." Inorganic Chemistry Communications 5, no. 10 (October 2002): 873–78. http://dx.doi.org/10.1016/s1387-7003(02)00569-5.

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21

Díaz, Urbano, Mercedes Boronat, and Avelino Corma. "Hybrid organic–inorganic structured materials as single-site heterogeneous catalysts." Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 468, no. 2143 (March 14, 2012): 1927–54. http://dx.doi.org/10.1098/rspa.2012.0066.

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Анотація:
Catalyst selectivity is associated with well-defined homogeneous active sites. Transition metal complexes and organocatalysts are highly active and selective in the homogeneous phase, and their heterogenization by incorporating them into inorganic solid materials allows combining their excellent catalytic activity with improved separation, recovering and recycling properties. In this article, we present the structural characteristics and catalytic properties of hybrid organic–inorganic materials in which the molecular catalysts are part of the inorganic structure, emphasizing the possibilities of periodic mesoporous hybrid materials and coordination polymers as single-site solid catalysts.
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22

Fei, Fei, Haiyan An, Tieqi Xu, and Changgong Meng. "Syntheses, structures and catalytic properties of organic–inorganic hybrid materials constructed from Evans–Showell-type polyoxometalates and zinc–organic coordination units." RSC Advances 6, no. 94 (2016): 92092–103. http://dx.doi.org/10.1039/c6ra14894h.

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Four new organic–inorganic hybrids originated from Evans–Showell-type POM [Co2Mo10H4O38]6− and transition metal complexes are reported, which exhibit excellent catalytic activities toward cyanosilylation reaction under solvent-free conditions.
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23

Marzec, Anna, Bolesław Szadkowski, Jacek Rogowski, Waldemar Maniukiewicz, Dariusz Moszyński, Przemysław Rybiński, and Marian Zaborski. "Carminic Acid Stabilized with Aluminum-Magnesium Hydroxycarbonate as New Colorant Reducing Flammability of Polymer Composites." Molecules 24, no. 3 (February 3, 2019): 560. http://dx.doi.org/10.3390/molecules24030560.

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In this study, hybrid pigments based on carminic acid (CA) were synthesized and applied in polymer materials. Modification of aluminum-magnesium hydroxycarbonate (LH) with CA transformed the soluble chromophore into an organic-inorganic hybrid colorant. Secondary ion mass spectroscopy (TOF-SIMS), X-ray photoelectron spectroscopy (XPS), X-ray diffraction (XRD), thermogravimetric analysis (TGA), scanning electron microscopy (SEM), and UV-Vis spectroscopy were used to study the structure, composition, and morphology of the insoluble LH/CA colorant. Successful modification of the LH was confirmed by the presence of interactions between the LH matrix and molecules of CA. XPS analysis corroborated the presence of CA complexes with Mg2+ ions in the LH host. The batochromic shift in UV-Vis spectra of the organic-inorganic hybrid colorant was attributed to metal-dye interactions in the organic-inorganic hybrid colorants. Strong metal-dye interactions may also be responsible for the improved solvent resistance and chromostability of the modified LH. In comparison to uncolored ethylene-norbornene copolymer (EN), a modified EN sample containing LH/CA pigment showed lower heat release rate (HRR) and reduced total heat release (THR), providing the material with enhanced flame retardancy.
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24

Semenov, V. "Hybrid Organic-Inorganic Compounds, Obtained by the Sol-Gel Method from Organoalcoxysilanes and Metal Complexes." Bulletin of the South Ural State University series "Chemistry" 13, no. 4 (2021): 19–54. http://dx.doi.org/10.14529/chem210402.

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The paper summarizes information on a narrow class of polycondensed systems known as organic-inorganic hybrid materials, in which particles of metal complexes are embedded in a silicon oxide matrix. There are only one type of particles: coordination compounds of cobalt, chromium, neodymium, erbium, and ytterbium. These materials are prepared by a sol-gel process from molecular precursors that undergo inorganic polymerization called hydrolytic polycondensation. Basic information about the sol-gel processes is presented. The types and properties of the most common sol-gel monomers and oligomers, as well as the methods of obtaining metal-containing gels, are considered, a general idea of the sol-gel processes is described, and the fields of application of the obtained materials are listed. Syntheses of siloxane, carbonate, and carbonate-siloxane cobaltcarbonyl gels are based on the reaction of homomolecular disproportionation of dicobalt octacarbonyl under the action of 3-aminopropyltriethoxysilane, pyridine, and dimethylformamide. A number of organosilicon amine gels have been obtained from 3-aminopropyltriethoxysilane, cobalt(II), chromium(III) chlorides, and triethoxysilane. The sol-gel films containing cobalt, chromium, and neodymium have been obtained from organosilicon amine complexes, their electronic absorption spectra have been measured and interpreted, their transformations during the absorption of oxygen and hydrogen chloride have been shown, and nonlinear optical properties have been measured. Organosilicon amidophosphates are synthesized by the interaction of 3-aminopropyltriethoxysilane with bis(dimethylamido)chlorophosphate and diphenylchlorophosphate. On their basis, complexes of erbium and ytterbium have been obtained, and their absorption and emission spectra have been recorded. Two examples of immobilization of metal complexes on the surface of highly porous polysiloxane hydride and lepidoid siloxene are given.
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25

Xin, Yu, Jun Zhou, Yong Heng Xing, Feng Ying Bai, and Li Xian Sun. "A series of porous 3D inorganic–organic hybrid framework crystalline materials based on 5-aminoisophthalic acid for photocatalytic degradation of crystal violet." New Journal of Chemistry 45, no. 7 (2021): 3432–40. http://dx.doi.org/10.1039/d0nj05472k.

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Анотація:
Seven 3D metal-organic frameworks have been designed and synthesized by the hydrothermal synthetic method based on the ligand 5-aminoisophthalic acid. Complexes 1-4 have better photocatalytic degradation properties for dyes CV.
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26

Milaeva, Elena R., and Vladimir Yu Tyurin. "Hybrid metal complexes with opposed biological modes of action – promising selective drug candidates." Pure and Applied Chemistry 89, no. 8 (July 26, 2017): 1065–88. http://dx.doi.org/10.1515/pac-2016-1130.

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AbstractThe oxidative stress is considered to be involved in the pathogenesis of many diseases. The antioxidative defense system in the living organism regulates the toxic impact of ROS and there is strong evidence that the antioxidants prevent some pathologies including cancer. The specific chemical properties of metal-based drugs impart innovative pharmacological profiles to this type of therapeutic agents, most likely in relation to novel biomolecular mechanisms. This review will focus on a novel approach to design polyfunctional metal-based physiollogically active compounds with opposed modes of action – prooxidant metal center and antioxidant 2,6-dialkylphenol group. The synthesis and anti/prooxidant activity and cytotoxicity studies of novel organometallic/coordination compounds (ferrocenes, complexes with di-(2-picolyl)amine ligand, porphyrins, pyridines, thiols, carboxylates) based on either biogenic metals (Fe, Mn, Co, Cu, Zn, Ni) or exogenic metals (Sn, Au, Rh) are presented and discussed. The results allow us to conclude that combining in one molecule a redox active metal center and cytoprotective functional organic moiety with antioxidative function is a promising way to rational metallodrug design in modern medicinal chemistry.
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27

Marzec, Anna, Bolesław Szadkowski, Jacek Rogowski, Waldemar Maniukiewicz, and Marian Zaborski. "Characterization and Structure–Property Relationships of Organic–Inorganic Hybrid Composites Based on Aluminum–Magnesium Hydroxycarbonate and Azo Chromophore." Molecules 24, no. 5 (March 1, 2019): 880. http://dx.doi.org/10.3390/molecules24050880.

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In this study, novel organic–inorganic composites were prepared by the complexation of dicarboxylic azo dye (AD) with aluminum–magnesium hydroxycarbonate (AlMg–LH). This procedure provides an effective method for the stabilization of dicarboxylic organic chromophores on an AlMg−LH host. The structures of the hybrid composites were examined by X-ray diffraction (XRD), secondary ion mass spectrometry (TOF-SIMS), 27-Al solid-state nuclear magnetic resonance (NMR) spectroscopy, thermogravimetric analysis (TGA) and scanning transmission electron microscopy (STEM). The TOF-SIMS method was applied to investigate the metal–dye interactions and to monitor the thermal stability of the organic–inorganic complexes. Secondary ion mass spectrometry confirmed the presence of a characteristic peak for C18H10O5N2Mg22+, indicating that both carboxylic groups interacted with AlMg−LH by forming complexes with two Mg2+ ions. Modification with hybrid pigments affected the crystal structure of the AlMg−LH mineral, as shown by the appearance of new peaks on the X-ray diffraction patterns. Adsorption of the dicarboxylic chromophore not only led to significantly enhanced solvent resistance but also improved the thermal and photostability of the hybrid pigments. We propose a possible arrangement of the azo dye in the inorganic matrix, as well as the presumed mechanism of stabilization.
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28

Ishii, Ayumi, and Tsutomu Miyasaka. "A high voltage organic–inorganic hybrid photovoltaic cell sensitized with metal–ligand interfacial complexes." Chemical Communications 48, no. 79 (2012): 9900. http://dx.doi.org/10.1039/c2cc34829b.

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29

Ding, Yan, Hongli Chen, Enbo Wang, Ying Ma, and Xinlong Wang. "A new inorganic–organic hybrid polyoxometalate constructed by [PMo8V6O42] clusters and transition metal complexes." Journal of Coordination Chemistry 61, no. 15 (August 10, 2008): 2347–55. http://dx.doi.org/10.1080/00958970801930039.

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30

Pearson, Andrew, Rajesh Ramanathan, Anthony P. O'Mullane, and Vipul Bansal. "Hybrid CuTCNQ/AgTCNQ Metal-Organic Charge Transfer Complexes via Galvanic Replacement vs Corrosion-Recrystallization." Advanced Functional Materials 24, no. 48 (October 6, 2014): 7570–79. http://dx.doi.org/10.1002/adfm.201402320.

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31

Mo, Dong, Zhengqiang Wang, Kaiyao Sun, Xiyue Xie, Jixi Zhang, and Kaiyong Cai. "Core–shell metal–organic frameworks and hierarchical host–guest structures toward water-stable luminescence of lanthanide complexes in encoding beads." Journal of Materials Chemistry C 8, no. 32 (2020): 11110–18. http://dx.doi.org/10.1039/d0tc00908c.

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Анотація:
Hetero-MOF domains in hybrid core–shell nanoparticles realize encapsulation and protection of lanthanide complexes for water-stable photoluminescence, facilitating hierarchical encoding beads with a 3D host–guest structure.
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32

Matin, Mohammad A., Mazharul M. Islam, and Mohammed A. Aziz. "Characterization of Chromium-tris(catecholate) Complex: A Theoretical Study." Dhaka University Journal of Science 65, no. 2 (July 5, 2017): 113–17. http://dx.doi.org/10.3329/dujs.v65i2.54518.

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Анотація:
Phenolic compounds generally have special smell and are easily soluble in water, organic solvents (alcohols, esters, chloroform, ethyl acetate) and in alkali. Phenols produce coloured complexes with heavy metal ions, such as with chromium ion. The molecular details underlying the cross-linking mediated by transition metal ions are largely unknown. Using HF/DFT hybrid approach B3LYP, this study examines the structure, binding energy, spectroscopic and electronic properties of complex formed by the attachment of Cr3+ with a catechol ligand. Our study shows that the binding of Cr3+ with the catechol ligand is not as strong as the binding of other metal ions with catechol.The calculated FTIR spectra show strong IR intensities due to large charge polarization. The UV-Vis absorption spectrum of the tris-catecholato-Cr3+complex shows a clear ligand-to-metal charge transfer. The calculated electronic band gap is 4.06 eV which is in the range of transition metal ion tris-catechol complexes. Thermodynamic properties studied in this work show that the metal ion-ligand binding energy (532.99 kcal/mol) is close to those of the hexa-aqua complexes (ranging from 540 to 553 kcal/mol). Dhaka Univ. J. Sci. 65(2): 113-117, 2017 (July)
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33

Dadashi, Jaber, Mohammad Khaleghian, Younes Hanifehpour, Babak Mirtamizdoust, and Sang Woo Joo. "Lead(II)-Azido Metal–Organic Coordination Polymers: Synthesis, Structure and Application in PbO Nanomaterials Preparation." Nanomaterials 12, no. 13 (June 30, 2022): 2257. http://dx.doi.org/10.3390/nano12132257.

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The current study aims to explain recent developments in the synthesis of Pb(II)-azido metal-organic coordination polymers. Coordination polymers are defined as hybrid materials encompassing metal-ion-based, organic linkers, vertices, and ligands, serving to link the vertices to 1D, 2D, or 3D periodic configurations. The coordination polymers have many applications and potential properties in many research fields, primarily dependent on particular host–guest interactions. Metal coordination polymers (CPs) and complexes have fascinating structural topologies. Therefore, they have found numerous applications in different areas over the past two decades. Azido-bridged complexes are inorganic coordination ligands with higher fascination that have been the subject of intense research because of their coordination adaptability and magnetic diversity. Several sonochemical methods have been developed to synthesize nanostructures. Researchers have recently been interested in using ultrasound in organic chemistry synthetics, since ultrasonic waves in liquids accelerate chemical reactions in heterogeneous and homogeneous systems. The sonochemical synthesis of lead–azide coordination compounds resulted from very fantastic morphologies, and some of these compounds are used as precursors for preparing nano lead oxide. The ultrasonic sonochemistry approach has been extensively applied in different research fields, such as medical imaging, biological cell disruption, thermoplastic welding, food processing, and waste treatment. CPs serve as appropriate precursors for preparing favorable materials at the nanoscale. Using these polymers as precursors is beneficial for preparing inorganic nanomaterials such as metal oxides.
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34

Wu, Qiong, Xiao Lin Ji, Lu Jing, Hong Ping Ju, and Hai Wang. "Synthesis, Characterization, and Antimicrobial Activities of New Organic-Inorganic Hybird Compound Based on Polyoxovanadate and Metal-Schiff-Base Complex." Advanced Materials Research 1105 (May 2015): 215–19. http://dx.doi.org/10.4028/www.scientific.net/amr.1105.215.

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The reaction of polyoxovanadate and metal-Schiff base complex resulted in the formation of a new organic-inorganic hybrid compounds with the formula Na2[Mn (Salen)(H2O)2]4[V10O28]·9H2O (1) (salen=N,N’-ethylene-bis (salicylideneiminate). Compound 1 have been structurally characterized by IR, UV-vis spectroscopy and single crystal X-ray diffraction. Crystal data for 1: Triclinic, P-1, a=14.1123(3)Å, b=13.9397(7) Å, c=14.2564(5)Å, α=65.4160(9)°, β=81.3920(6)°, γ=89.5740(7) °. Structural analyses revealed that compound 1 represent a rare example of isopolyoxovanadate based metal-Schiff-base complexes, moreover, this is the first POM based metal Schiff-base complex isolated in aqueous solution medium, which may also propose a green chemical way to the synthesis of POM based hybrid. Compare with isopolyoxovanadate precusor Na6 [V10O28], compound 1 exhibit higher antimicrobial activities against human cancer cell, the phenomenon can be explained by the synergetic effect between POM and Schiff-base complex.
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35

Cao, Yue, Jinghua Lv, Kai Yu, Chun-mei Wang, Zhan-hua Su, Lu Wang, and Bai-bin Zhou. "Synthesis and photo-/electro-catalytic properties of Keggin polyoxometalate inorganic–organic hybrid layers based on d10 metal and rigid benzo-diazole/-triazole ligands." New J. Chem. 41, no. 21 (2017): 12459–69. http://dx.doi.org/10.1039/c7nj02615c.

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36

Matsuoka, Masaya, Takashi Kamegawa, Tae-Ho Kim, Takahiro Sakai, and Masakazu Anpo. "Incorporation of Arene Metal Carbonyl Complexes within Inorganic–Organic Hybrid Mesoporous Materials by CVD Method." Journal of Nanoscience and Nanotechnology 10, no. 1 (January 1, 2010): 314–18. http://dx.doi.org/10.1166/jnn.2010.1509.

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37

Petrova, Olga B., Maria O. Anurova, Alina A. Akkuzina, Rasim R. Saifutyarov, Ekaterina V. Ermolaeva, Roman I. Avetisov, Andrew V. Khomyakov, Ilya V. Taydakov, and Igor Ch Avetissov. "Luminescent hybrid materials based on (8-hydroxyquinoline)-substituted metal-organic complexes and lead-borate glasses." Optical Materials 69 (July 2017): 141–47. http://dx.doi.org/10.1016/j.optmat.2017.04.014.

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38

Cao, Ruige, Shuxia Liu, Jianfang Cao, Liang Wang, Qun Tang, Ying Liu, and Yuanhang Ren. "An organic–inorganic hybrid compound constructed by Strandberg-type polyoxoanions and transition metal coordination complexes." Journal of Molecular Structure 888, no. 1-3 (October 2008): 307–12. http://dx.doi.org/10.1016/j.molstruc.2007.12.043.

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39

Liu, Ying, Shuxia Liu, Hongmei Ji, Shiwei Zhang, Lili Cai, and Ruige Cao. "Two Novel Organic–Inorganic Hybrid Compounds Constructed from Anderson-type Clusters and Transition-Metal Complexes." Journal of Cluster Science 20, no. 3 (May 22, 2009): 535–43. http://dx.doi.org/10.1007/s10876-009-0256-3.

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40

Guo, Hai-Yang, Hui Qi, Xiao Zhang, and Xiao-Bing Cui. "First Organic–Inorganic Hybrid Compounds Formed by Ge-V-O Clusters and Transition Metal Complexes of Aromatic Organic Ligands." Molecules 27, no. 14 (July 11, 2022): 4424. http://dx.doi.org/10.3390/molecules27144424.

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Three compounds based on Ge-V-O clusters were hydrothermally synthesized and characterized by IR, UV-Vis, XRD, ESR, elemental analysis and X-ray crystal structural analysis. Both [Cd(phen)(en)]2[Cd2(phen)2V12O40Ge8(OH)8(H2O)]∙12.5H2O (1) and [Cd(DETA)]2[Cd(DETA)2]0.5[Cd2(phen)2V12O41Ge8(OH)7(0.5H2O)]∙7.5H2O (2) (1,10-phen = 1,10-phenanthroline, en = ethylenediamine, DETA = diethylenetriamine) are the first Ge-V-O cluster compounds containing aromatic organic ligands. Compound 1 is the first dimer of Ge-V-O clusters, which is linked by a double bridge of two [Cd(phen)(en)]2+. Compound 2 exhibits an unprecedented 1-D chain structure formed by Ge-V-O clusters and [Cd2(DETA)2]4+ transition metal complexes (TMCs). [Cd(en)3]{[Cd(η2-en)2]3[Cd(η2-en)(η2-μ2-en)(η2-en)Cd][Ge6V15O48(H2O)]}∙5.5H2O (3) is a novel 3-D structure which is constructed from [Ge6V15O48(H2O)]12− and four different types of TMCs. We also synthesized [Zn2(enMe)3][Zn(enMe)]2[Zn(enMe)2(H2O)]2[Ge6V15O48(H2O)]∙3H2O (4) and [Cd(en)2]2{H8[Cd(en)]2Ge8V12O48(H2O)}∙6H2O (5) (enMe = 1,2-propanediamine), which have been reported previously. In addition, the catalytic properties of these five compounds for styrene epoxidation have been assessed.
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41

Pomogailo, Anatolii D., and Gulzhian I. Dzhardimalieva. "Hybrid Polymer-Immobilized Nanosized Pd Catalysts for Hydrogenation Reaction Obtained via Frontal Polymerization." Journal of Catalysts 2013 (December 13, 2013): 1–12. http://dx.doi.org/10.1155/2013/276210.

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A new approach to the synthesis of mixed-type immobilized catalysts by frontal polymerization of metal-containing monomer in the presence of highly dispersed mineral support has been developed. Synthesis of the acrylamide Pd(II) nitrate complex, Pd(CH2=CHCONH2)2 (NO3)2 (PdAAm), on the SiO2 (Al2O3, C) surface and its consequent frontal polymerization and reduction lead to the formation of organic-inorganic composites with polymer-stabilized Pd nanoparticles. The immobilized metal complexes and palladium nanoparticles were characterized by various physical and chemical methods. The synthesized hybrid nanocomposites are efficient and selective catalysts for hydrogenation of cyclohexene, alkene, and acetylene alcohols, as well as di- and trinitrotoluene. Catalyst intermediates separated by nondestructive testing method have been described and changing in the palladium charge during the catalytic process has been identified.
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42

Park, Jaehyeon, Ka Young Kim, Seok Gyu Kang, Shim Sung Lee, Ji Ha Lee, and Jong Hwa Jung. "Bispicolyamine-Based Supramolecular Polymeric Gels Induced by Distinct Different Driving Forces with and Without Zn2+." International Journal of Molecular Sciences 21, no. 13 (June 29, 2020): 4617. http://dx.doi.org/10.3390/ijms21134617.

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Metal-coordination polymeric gels are interesting areas as organic/inorganic hybrid supramolecular materials. The bispicolylamine (BPA) based gelator (1) showed excellent gelation with typical fibrillar morphology in acetonitrile. Upon complexing 1 with Zn2+, complexes ([1 + Zn + ACN]2+ and [1 + zinc trifluoromethanesulfonate (ZnOTf)]+) with four coordination numbers were formed, which determine the gel structure significantly. A gel-sol transition was induced, driven by the ratio of the two metal complexes produced. Through nuclear magnetic resonance analysis, the driving forces in the gel formation (i.e., hydrogen-bonding and π–π stacking) were observed in detail. In the absence and the presence of Zn2+, the intermolecular hydrogen-bonds and π–π stacking were the primary driving forces in the gel formation, respectively. In addition, the supramolecular gels exhibited a monolayer lamellar structure irrespective of Zn2+. Conclusively, the gels’ elasticity and viscosity reduced in the presence of Zn2+.
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43

Low, John N., Jose M. Moreno Sánchez, Paloma Arranz Mascarós, M. Luz Godino Salido, Rafael López Garzon, Justo Cobo Domingo, and Christopher Glidewell. "Hydrated metal complexes of N-(6-amino-3,4-dihydro-3-methyl-5-nitroso-4-oxopyrimidin-2-yl)glycinate: interplay of molecular, molecular–electronic and supramolecular structures." Acta Crystallographica Section B Structural Science 57, no. 3 (May 25, 2001): 317–28. http://dx.doi.org/10.1107/s0108768100020280.

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The title anion, (C7H8N5O4)−, L −, forms hydrated metal complexes with a range of metal ions M + and M 2+. Lithium and manganese(II) form finite molecular aggregates [Li(L)(H2O)3] (1) and [Mn(L)2(H2O)4].6H2O (4) in which the molecular aggregates are linked into three-dimensional frameworks by extensive hydrogen bonding. The sodium and potassium derivatives, [Na2(L)2(H2O)3] (2) and [K(L)(H2O)] (3) both form organic–inorganic hybrid sheets in which metal–oxygen ribbons are linked by strips containing only organic ligands: these sheets are linked by hydrogen bonds into three-dimensional frameworks. In (2) the metal–oxygen ribbon is built from pairs of edge-shared trigonal bipyramids linked by water molecules, while in (3) it consists of a continuous chain of vertex-sharing octahedra. The nitroso group in the anion acts as an η1 ligand towards Na+ and as an η2 ligand towards K+. In all cases the anion L − shows the same unusual pattern of interatomic distances as the neutral parent LH.
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44

Zhao, J. W., X. F. Zhang, P. T. Ma, Y. Q. Feng, J. P. Wang, and J. Y. Niu. "Organic-inorganic hybrid supramolecular architecture constructed from Keggin-type [PMo12O40]3− clusters and transition metal complexes." Russian Journal of Coordination Chemistry 35, no. 12 (December 2009): 891–95. http://dx.doi.org/10.1134/s1070328409120057.

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45

Niu, Jingyang, Guan Wang, Junwei Zhao, Yunxia Sui, Pengtao Ma, and Jingping Wang. "Zero- or One-Dimensional Organic−Inorganic Hybrid Polyoxoniobates Constructed from Decaniobate Units and Transition-Metal Complexes." Crystal Growth & Design 11, no. 4 (April 6, 2011): 1253–61. http://dx.doi.org/10.1021/cg1014829.

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46

An, Haiyan, Tieqi Xu, Xuan Liu, and Cuiying Jia. "A series of new hybrid compounds constructed from Dawson-type phosphomolybdates and metal–organic coordination complexes." Journal of Coordination Chemistry 63, no. 17 (August 4, 2010): 3028–41. http://dx.doi.org/10.1080/00958972.2010.506215.

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47

Hao, Xiu-Li, Yuan-Yuan Ma, Yong-Hui Wang, Wen-Zhe Zhou, and Yang-Guang Li. "New organic–inorganic hybrid assemblies based on metal–bis(betaine) coordination complexes and Keggin-type polyoxometalates." Inorganic Chemistry Communications 41 (March 2014): 19–24. http://dx.doi.org/10.1016/j.inoche.2013.12.032.

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48

Chołuj, Artur, Wojciech Nogaś, Michał Patrzałek, Paweł Krzesiński, Michał J. Chmielewski, Anna Kajetanowicz, and Karol Grela. "Preparation of Ruthenium Olefin Metathesis Catalysts Immobilized on MOF, SBA-15, and 13X for Probing Heterogeneous Boomerang Effect." Catalysts 10, no. 4 (April 17, 2020): 438. http://dx.doi.org/10.3390/catal10040438.

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Promoted by homogeneous Ru-benzylidene complexes, the olefin metathesis reaction is a powerful methodology for C-C double bonds formation that can find a number of applications in green chemical production. A set of heterogeneous olefin metathesis pre-catalysts composed of ammonium-tagged Ru-benzylidene complexes 4 (commercial FixCat™ catalyst) and 6 (in-house made) immobilized on solid supports such as 13X zeolite, metal-organic framework (MOF), and SBA-15 silica were obtained and tested in catalysis. These hybrid materials were doped with various amounts of ammonium-tagged styrene derivative 5—a precursor of a spare benzylidene ligand—in order to enhance pre-catalyst regeneration via the so-called release-return “boomerang effect”. Although this effect was for the first time observed inside the solid support, we discovered that non-doped systems gave better results in terms of the resulting turnover number (TON) values, and the most productive were hybrid catalysts composed of 4@MOF, 4@SBA-15, and 6@SBA-15.
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49

Zheng, Daniel Jia, Mikaela Gorlin, Hongbin Xu, Junghwa Kim, Kaylee Lynn McCormack, Jiayu Peng, Yuriy Román-Leshkov, and Yang Shao-Horn. "Stability of Metal Hydroxide Organic Frameworks for Oxygen Evolution." ECS Meeting Abstracts MA2022-02, no. 44 (October 9, 2022): 1682. http://dx.doi.org/10.1149/ma2022-02441682mtgabs.

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The oxygen evolution reaction (OER) is central to storing electrical energy via chemical bonds in energy carriers and fuels through reactions such as electrochemical water splitting to produce hydrogen, CO2 reduction for CO and liquid hydrocarbons, and nitrogen to ammonia. While there has been considerable work towards the engineering of inexpensive yet highly active OER catalysts, current state-of-the-art materials are still at least an order of magnitude less active than oxygen evolving complexes found in biological systems that intricately combine inorganic metal-oxo clusters with organic ligands.1 As a result, metal organic frameworks (MOFs) have drawn considerable attention as hybrid organic-inorganic systems that can potentially mimic the unique structure of biological oxygen evolving complexes. Recently, metal hydroxide organic frameworks (MHOFs),2 a new class of MOFs that combine layered hydroxides with aromatic carboxylate linkers that stabilize the structure via π-π interactions, have been shown to display three times the tunability of layered hydroxides, offering extensive opportunities for further engineering of its electrochemical properties for numerous applications. However, the long-term stability of these material during OER is still unclear, which would be paramount to understand for further rational design of this class of material. In this study, we investigated Ni-based MHOFs with carboxylate linkers of varying π-π interaction strengths to understand how these differences affect the electrochemical stability of these materials during OER. We observed that the MHOFs all undergo activation during OER leading to two orders of magnitude increase in OER activity, where the MHOFs with weaker π-π interaction strengths tend to transform at a faster rate than the MHOFs with stronger π-π interaction strengths. We further characterized the MHOFs using a wide range of analytical techniques, including scanning transmission electron microscopy, Raman spectroscopy, x-ray photoelectron spectroscopy, and hard x-ray absorption spectroscopy, before and after extended OER cycling and galvanostatic tests to understand the transformed phase, which suggested that while the bulk structure largely remains unchanged, the surface undergoes significant restructuring into a Ni(OH)2-like phase during OER. Using operando UV-vis and Raman spectroscopy measurements on the MHOFs during OER to understand the factors that induce the transformation process, we found that there was a clear link between the Ni2+/3+, 4+ redox couple observed around 1.4 VRHE and a loss in the carboxylate organic linkers for the linkers with weak π-π interactions. However, for the MHOFs synthesized with linkers exhibiting strong π-π interaction strengths, there were smaller changes to the overall material during OER, suggesting that the bulk stability of these materials is largely dictated by the linker interaction strength and activation are primarily only surface transformations. These results directly demonstrate that linker selection also plays a key role in the stability MOFs under electrochemical conditions and are pertinent for rational design and understanding of the stability and activity of hybrid organic-inorganic materials as electrocatalysts. References: Hong, W. T. et al. Toward the rational design of non-precious transition metal oxides for oxygen electrocatalysis. Energy Environ. Sci. 8, 1404–1427 (2015). Yuan, S. et al. Tunable metal hydroxide–organic frameworks for catalysing oxygen evolution. Nat. Mater. (2022).
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50

Yamamoto, Kimihisa. "(Invited, Digital Presentation) Synthesis of Multi-Metallic Clusters Using a Dendrimer Reactor." ECS Meeting Abstracts MA2022-01, no. 13 (July 7, 2022): 931. http://dx.doi.org/10.1149/ma2022-0113931mtgabs.

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Dendrimers are highly branched organic macromolecules with successive layers or “generations” of branch units surrounding a central core. Organic inorganic hybrid versions have also been produced, by trapping metal ions or metal clusters within the voids of the dendrimers. Their unusual, tree-like topology endows these nanometer-sized macromolecules with a gradient in branch density from the interior to the exterior, which can be exploited to direct the transfer of charge and energy from the dendrimer periphery to its core. We show that tinchloride, SnCl2 and FeCl3 complexes to the imines groups of a spherical polyphenylazomethine dendrimer in a stepwise fashion according to an electron gradient, with complexation in a more peripheral generation proceeding only after complexation in generations closer to the core has been completed. By attaching an electron-withdrawing group to the dendrimer core, we are able to change the complexation pattern, so that the core imines are complexed last. By further extending this strategy, it should be possible to control the number and location of metal ions incorporated into dendrimer structures, which might and uses as tailored catalysts, building blocks, or fine-controlled clusters for advanced materials. The metal-assembly in a discrete molecule can be converted to a size-regulated metal particle with a size smaller than 1 nm as a molecular reactor. Due to the well-defined number of metal clusters in the subnanometer size region, its property is much different from that of bulk or general metal nanoparticles. The chemistry of metal clusters on the sub-nanometer scale is not yet well understood because metal clusters, especially multi-metallic clusters, are difficult to synthesize with control over size and composition. The template synthesis of multi-metallic sub-nanoclusters is achieved using a phenylazomethine dendrimer as a macromolecular template.
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