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Jongen, Nathalie; Hofmann, Heinrich; Bowen, Paul; Lemaître, Jonathan

doi:10.1023/a:1006711724828

Cited by 22 publications

(24 citation statements)

References 4 publications

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“…Copper oxalate mesocrystals can be transformed to copper or copper oxides without losing the ordered structure. [98] 4.3.3. Gallium Phosphate (GaPO 4 )…”

Section: Copper Oxalatementioning

confidence: 99%

Mesocrystals—Ordered Nanoparticle Superstructures

2010

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Mesocrystals are 3D ordered nanoparticle superstructures, often with internal porosity, which receive much recent research interest. While more and more mesocrystal systems are found in biomineralization or synthesized, their potential as material still needs to be explored. It needs to be revealed, which new chemical and physical properties arise from the mesocrystal structure, or how they change by the ordered aggregation of nanoparticles to fully exploit the promising potential of mesocrystals. Also, the mechanisms for mesocrystal synthesis need to be explored to adapt it to a wide class of materials. The last three years have seen remarkable progress, which is summarized here. Also potential future directions of this reaserch field are discussed. This shows the importance of mesocrystals not only for the field of materials research and allows the appliction of mesocrystals in advanced materials synthesis or property improvement of existing materials. It also outlines attractive research directions in this field.

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“…Copper oxalate mesocrystals can be transformed to copper or copper oxides without losing the ordered structure. [98] 4.3.3. Gallium Phosphate (GaPO 4 )…”

Section: Copper Oxalatementioning

confidence: 99%

Mesocrystals—Ordered Nanoparticle Superstructures

2010

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“…The first attempts to match the Bragg peak profiles of the neutron pattern resulted in pseudo Voigt (Npr = 7) profile parameters close to the parameters used in the structure analysis of [Bi 6 27 where the neutron diffraction pattern was also recorded using D2B. Therefore, it seemed justifiable to use the profile parameters from ref.…”

Section: Instrumental Resolution and Profile Parameters For The X-raymentioning

confidence: 99%

The crystal structure of paramagnetic copper(ii) oxalate (CuC₂O₄): formation and thermal decomposition of randomly stacked anisotropic nano-sized crystallites

Christensen¹,

Lebech

Andersen

et al. 2014

Dalton Trans.

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“…8,9 The resulting oxides can be used as in various catalytic applications e.g. such as copper oxide for water purification.…”

Section: -7mentioning

confidence: 99%

Control of morphology and nanostructure of copper and cobalt oxalates: Effect of complexing ions, polymeric additives and molecular weight

et al. 2010

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Precipitated oxalates are often nanostructured and can be used as precursors for nanostructured oxides for different applications. The modification of the particle shape and nanostructures of both copper and cobalt oxalates has been demonstrated using polymeric additives or complexing counter-ions. In the case of cobalt oxalate the characteristic elongated rod particle shape (axial ratio of 10) can be modified by using polymethymethacrylate (PMMA) to produce particles with lower axial ratios of 2, through cubes all the way to platelets (axial ratio 0.2). The PMMA inhibits the growth of the particles along the [101] direction more and more strongly as the concentration of the polymer increases. The crystallite size from XRD line broadening is not modified by the PMMA indicating that the PMMA does not influence the nucleation and growth but modifies the aggregation kinetics. Copper oxalates precipitated in the presence of different cellulose derived polymers with different molecular weights and functional groups (methyl and propyl) showed sensitivity to both molecular weight and functional group. Higher molecular weights did not influence the copper oxalate particle shape, whereas methyl cellulose gave elongated particles and propyl celluloses gave platelet like particles. Copper oxalate precipitated in the presence of acetate counter ions gave platelets with an axial ratio of 0.15 compared to the cushion-like morphology (axial ratio 0.5). The primary crystallites were more elongated along the [001] direction in the presence of acetate, modifying the proportion of the hydrophobic and hydrophilic surfaces and hence influencing the aggregation kinetics and particle shape. The copper and cobalt oxalate particle formation seems to be dominated by the primary particle aggregation with the different additives interacting specifically with different crystallographic faces of the primary particles. By tuning this interaction particles with different shapes and substructures can be formed.

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Untitled

Cited by 22 publications

References 4 publications

Mesocrystals—Ordered Nanoparticle Superstructures

Mesocrystals—Ordered Nanoparticle Superstructures

The crystal structure of paramagnetic copper(ii) oxalate (CuC₂O₄): formation and thermal decomposition of randomly stacked anisotropic nano-sized crystallites

Control of morphology and nanostructure of copper and cobalt oxalates: Effect of complexing ions, polymeric additives and molecular weight

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Cited by 22 publications

References 4 publications

Mesocrystals—Ordered Nanoparticle Superstructures

Mesocrystals—Ordered Nanoparticle Superstructures

The crystal structure of paramagnetic copper(ii) oxalate (CuC2O4): formation and thermal decomposition of randomly stacked anisotropic nano-sized crystallites

Control of morphology and nanostructure of copper and cobalt oxalates: Effect of complexing ions, polymeric additives and molecular weight

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The crystal structure of paramagnetic copper(ii) oxalate (CuC₂O₄): formation and thermal decomposition of randomly stacked anisotropic nano-sized crystallites