Results 191 to 200 of about 14,825 (221)
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Polyoxometalate-decorated nanoparticles
Chemical Society Reviews, 2012Polyoxometalate cluster anions (POMs) control formation and morphology, and serve as protecting ligands, for structurally and compositionally diverse nanostructures. While numerous examples of POM-protected metal(0) nanoparticle syntheses and reactions can now be found in the literature, the use of POMs to prepare nano-scale analogs of binary inorganic
Yifeng, Wang, Ira A, Weinstock
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Polyoxometalate-Based Molecular Materials
Chemical Reviews, 1998Molecule-based materials with active physical properties, in particular electrical, magnetic, and optical, are a focus of contemporary materials chemistry research. Certainly, one reason for this interest has been the realization that these materials can exhibit cooperative properties typically associated with the inorganic network solids, as for ...
Eugenio, Coronado +1 more
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Ionothermal Synthesis of Polyoxometalates
Angewandte Chemie International Edition, 2011An emerging approach: In the ionothermal synthesis of transition-metal-oxide clusters an ionic liquid acts as a solvent, structure-directing agent, and charge-compensating species. The method may open new convenient routes for the synthesis of polyoxometalate-based materials.
Ahmed, E., Ruck, M.
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Accounts of Chemical Research, 2017
Longstanding and important applications make use of the chemical and physical properties of both rare earth metals and polyoxometalates of early transition metals. The catalytic, optical, and magnetic features of rare earth metal ions are well-known, as are the reversible multielectron redox and photoredox capabilities of polyoxomolybdates and ...
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Longstanding and important applications make use of the chemical and physical properties of both rare earth metals and polyoxometalates of early transition metals. The catalytic, optical, and magnetic features of rare earth metal ions are well-known, as are the reversible multielectron redox and photoredox capabilities of polyoxomolybdates and ...
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Imidoylation of polyoxometalates and fabrication of chiral polyoxometalates
Chinese Science Bulletin, 2011The synthesis of chiral polyoxometalates (POMs) has attracted increasing attention in recent years. The aim of this research was to construct different rigid POMs with organic derivatives. The POMs were synthesized with C–C or C–N links using N,N' -dicyclohexylcarbodiimide (DCC) protocol.
Jin ZHANG +5 more
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Iron Polyoxometalate Single‐Molecule Magnets
Angewandte Chemie, 2009AbstractWolframate mit Eisenfüllung: Zwei neue Polyoxowolframate mit paramagnetischen Eisen(III)‐Ionen (siehe Struktur, W blau, Fe gelb, O rot) haben Grundzustände mit S=15/2 und S=5. Beide Verbindungen sind Einzelmolekülmagnete, und die Hexaeisen‐Spezies zeigt eine starke Hysterese (siehe Diagramm) sowie Quantentunneleffekte bei tiefen Temperaturen ...
Compain +9 more
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The fascinating polyoxometalates
ChemTexts, 2021After touching the history of polyoxometalate (POM) chemistry, the basics of isopolyoxometalates (IPOM) and heteropolyoxometalates (HPOM) are discussed. The main focus is placed on molybdenum- and tungsten-containing IPOM and HPOM. The HPOM are presented based on the coordination of the ‘hetero’atom: tetrahedral (Keggin and Wells–Dawson structures ...
Hans-Joachim Lunk, Hans Hartl
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Towards Polyoxometalate‐Integrated Nanosystems
Chemistry – A European Journal, 2006AbstractPolyoxometalates represent a diverse range of molecular clusters with an almost unmatched range of physical properties and the ability to form structures that can bridge several length scales. The new building block principles that have been discovered are beginning to allow the design of complex clusters with desired properties and structures;
De-Liang, Long, Leroy, Cronin
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Noble Metals in Polyoxometalates
Angewandte Chemie International Edition, 2012AbstractPolyoxometalates containing noble metal ions, such as ruthenium, osmium, rhodium, palladium, platinum, silver and gold, are a structurally diverse class of compounds. They include both classical heteropolyanions (vanadates, molybdates, tungstates) in which noble metals are present as heteroatoms, as well as the recently discovered class of ...
Natalya V, Izarova +2 more
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