Copper Nanoparticles Prepared from Oxalic Precursors

The synthesis of nanoparticles of copper metal via a soft chemistry route is presented in this paper. The method is based on the thermal decomposition under nitrogen or hydrogen of oxalic precursors with a well-controlled morphology and particle size. The precipitation of the copper oxalates in a wa...

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Bibliographic Details
Published in:ISRN nanotechnology 2011-01, Vol.2011 (2011), p.1-7
Main Authors: Baco-Carles, Valérie, Datas, Lucien, Tailhades, Philippe
Format: Article
Language:English
Subjects:
Atoms & subatomic particles
Copper
COPPER (PURE)
CUPROUS OXIDE
Decomposition
Ethanol
Methods
Nanoparticles
Nanotechnology
Nitrogen
Oxalates
Oxidation
OXIDES
Particle size
PARTICLE SIZE AND SHAPE
PARTICLES
Precipitation
Precursors
Scanning electron microscopy
Transmission electron microscopy
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Summary:The synthesis of nanoparticles of copper metal via a soft chemistry route is presented in this paper. The method is based on the thermal decomposition under nitrogen or hydrogen of oxalic precursors with a well-controlled morphology and particle size. The precipitation of the copper oxalates in a water-alcohol medium allows the submicron size of the precursor grains to be controlled and, consequently, the nanometric size of the metallic copper particles to be determined, as required, between 3.5 and 40 nm. The majority of the final particles are made of pure copper metal although some present a superficial layer of cuprous oxide (Cu2O).
ISSN:2090-6064
2090-6072
DOI:10.5402/2011/729594