On the formation of gold nanoparticles from [Au^IIICl₄]⁻ and a non-classical reduced polyoxomolybdate as an electron source: a quantum mechanical modelling and experimental study

Abstract

DFT calculations and experimental data prove that the [Na{(MoV2O4)3(μ2-O)3(μ2-SO3)3(μ6-SO3)}2]15− POM is capable of completely reducing Au(iii) to Au(0).

Metal–metal bonds in polyoxometalate chemistry

“…96 The linking nature of the {Mo2O8} moieties is also noticed in Kabanos' [(Mo V 2O4)3(μ2-O)3(μ2-SO3)3(μ6-SO3)] 8− polyanion which in the solid-state dimerises with the help of a single sodium cation, forming [Na{(Mo V 2O4)3(μ2-O)3(μ2-SO3)3(μ6-SO3)}2] 15− (Figure 4.c). 97 The monomeric hexamolybdate unit consists of three dimolybdate units in which the distance of the Mo V pairs is only 2.56 Å. The dimolybdate moieties are interconnected via edge-sharing, three outer and one central sulphite unit.…”

Sonochemical synthesis of polyoxometalate-stabilized gold nanoparticles for point-of-care determination of acetaminophen levels: preclinical study in an animal model

“…[16][17][18] In recent years, it has become increasingly clear that there is a critical need for green-chemistry-type synthetic routes to new materials. 19 In 2009, Zhang et al 20 introduced the one-pot, aqueous preparation of AuNPs with mixed-valence polyoxometalates. Liu et al 21 presented the method to synthesize AuNP@POM composites on graphene.…”

Hybrid Gold Nanoparticle–Polyoxovanadate Matrices: A Novel Surface Enhanced Raman/Surface Enhanced Infrared Spectroscopy Substrate

“… 31 However, the formation of POM-stabilized nanoparticles is not completely understood, and more in-depth studies are required to better understand and utilize the properties of these hybrid materials. 32 , 33 …”

“…POMs have been combined with nanoparticles in a wide range of applications including photocatalysis, biomass conversion, electrocatalysis, biosensing, and antibacterial drugs . However, the formation of POM-stabilized nanoparticles is not completely understood, and more in-depth studies are required to better understand and utilize the properties of these hybrid materials. , …”

“…31 However, the formation of POM-stabilized nanoparticles is not completely understood, and more in-depth studies are required to better understand and utilize the properties of these hybrid materials. 32,33 POMs have also been used to functionalize AuNPs via ligand exchange reactions. Baruah et al 34 showed that functionalization of AuNPs with ammonium decavanadate (NH 4 ) 6 [V 10 O 28 ] improves the enhancement factor of crystal violet during SERS studies.…”