The book highlights recent prominent results in the domain of
the synthesis of new polyoxometalates with a specific attention to
polyoxothioanions, and provides some novelties and perspectives in
selected domains such as magnetism, luminescence and nanochemistry,
and macroions self-assembly in solutions. The case of "one-pot"
syntheses often used and reported in POMs synthesis is studied in
terms of more complex solution speciation processes related to
highly dynamical situation connected to factors such as pH, ionic
strength, reaction time, temperature, counterion nature,
concentration of starting materials, presence of electron donors
and redox potentials. The behavior of macroions (2nm-6nm size
range) in solution is shown to be quite different from the simple
ionic solution or colloidal systems (Debye-Huckel model). Their
self-assembling into a single-layered, spherical, hollow vesicle
structure, namely the "blackberry" structure, is clearly described.
Examples of spin clusters with tunable interactions are given and
single molecule magnets based on POMs are specifically tackled.
Besides paramagnetic transition metal centres and lanthanoid ions
encapsulated in archetypal lacunary polyoxoanions, magnetically
functionalized Kleperates are described, their discovery tracing
back nearly 15 years.
Chapter 1: Polyxometalate-Protected Nanoparticles: Synthesis,
Structure and Catalysis (1,108 KB)
Contents: Polyoxometalate-Protected Metal Nanoparticles: Synthesis,
Structure and Catalysis "(Yifeng Wang and Ira A Weinstock)"When
Giants Meet Dwarves in the Same Pond -- Unique Solution Physical
Chemistry Opportunities Offered by Polyoxometalate Macroions "(Dong
Li, Panchao Yin and Tianbo Liu)"Directed Assembly of
Polyoxometalates Across Length Scales: From Macro-Molecules to
Microsystems and iChells "(Antoine G Boulay, Geoffrey J T Cooper
and Leroy Cronin)"Magnetic Polyoxometalates "(Juan M Clemente-Juan,
Eugenio Coronado and Alejandro Gaita-Arino)"Magnetism of Keplerates
"(Paul Kogerler)"Polyoxometalates as Ligands for Functional
Lanthanoid Complexes "(Chris Ritchie and Colette
Boskovic)"Polyoxothiometalates POTM "(Francis Secheresse and
Readership: Graduate students and researchers of nanoscience and
nanotechnology and chemistry (physical and inorganic) --
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