Journal ArticleDOI
Hybrid Organic−Inorganic Polyoxometalate Compounds: From Structural Diversity to Applications
TLDR
Polyoxometalates (POMs) are discrete anionic metaloxygen clusters which can be regarded as soluble oxide fragments which play a great role in various areas ranging from catalysis, medicine, electrochemistry, photochromism,5 to magnetism.Abstract:
Polyoxometalates (POMs) are discrete anionic metaloxygen clusters which can be regarded as soluble oxide fragments. They exhibit a great diversity of sizes, nuclearities, and shapes. They are built from the connection of {MOx} polyhedra, M being a d-block element in high oxidation state, usually VIV,V, MoVI, or WVI.1 While these species have been known for almost two centuries, they still attract much interest partly based on their large domains of applications. They play a great role in various areas ranging from catalysis,2 medicine,3 electrochemistry,4 photochromism,5 to magnetism.6 This palette of applications is intrinsically due to the combination of their added value properties (redox properties, large sizes, high negative charges, nucleophilicity...). Parallel to this domain, the organic-inorganic hybrids area has followed a similar expansion during the last 10 years. The concept of organic-inorganic hybrid materials * To whom correspondence should be addressed. E-mail: dolbecq@ chimie.uvsq.fr. Chem. Rev. 2010, 110, 6009–6048 6009read more
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Intramolecular anion effect in polyoxometalate-based organocatalysts: reactivity enhancement and chirality transfer by a metal oxide-organic cation interaction.
Christian Brazel,Nathalie Dupré,Max Malacria,Bernold Hasenknopf,Emmanuel Lacôte,Emmanuel Lacôte,Serge Thorimbert +6 more
TL;DR: An α1 -Dawson polyanion bearing a lateral side chain with a 4-aminopyridine end group was synthesized and a moderate but nonzero chirality transfer from the chiral inorganic framework to the organic substrate was observed.
Journal ArticleDOI
Organic–inorganic hybrid polyoxometalate and its graphene oxide–Fe3O4 nanocomposite, synthesis, characterization and their applications as nanocatalysts for the Knoevenagel condensation and the synthesis of 2,3-dihydroquinazolin-4(1H)-ones
TL;DR: In this article, a simple and high yield synthesis of H6Cu2[PPD]6[SiW9Cu3O37]·12H2O (PPD = p-phenylenediamine) was reported.
Journal ArticleDOI
Synthesis of Well-Defined Dawson-Type Poly(N,N-diethylacrylamide) Organopolyoxometalates.
Jennifer Lesage de la Haye,Patricia Beaunier,Laurent Ruhlmann,Bernold Hasenknopf,Emmanuel Lacôte,Emmanuel Lacôte,Jutta Rieger +6 more
TL;DR: Smaller, more homogeneous, and colloidally more stable silver nanoparticles were formed with the covalently linked POM-polymer compound than with its single unbound components.
Journal ArticleDOI
Hybrid Organic-Inorganic Materials Based on Polyoxometalates and Ionic Liquids and Their Application in Catalysis
TL;DR: An overview of the recent advances in the field of polyoxometalate, ionic liquid hybrids is proposed with a special attention paid to their application in catalysis, more precisely biphasic and heterogeneous catalysis as discussed by the authors.
Journal ArticleDOI
Monolacunary Keggin polyoxometalates connected to ten 4d or 4f metal atoms.
Hai-Jun Pang,Hai-Jun Pang,Carlos J. Gómez-García,Jun Peng,Huiyuan Ma,Chun-Jing Zhang,Qingyin Wu +6 more
TL;DR: Two novel polyoxometalate-based 4d-4f heterometallic compounds containing lacunary Keggin anions connected to ten metal atoms with large connectivity leads to a structure with a purely inorganic 3D framework with two kinds of channels along the [100] and [010] directions.
References
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Systematic Design of Pore Size and Functionality in Isoreticular MOFs and Their Application in Methane Storage
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