Electrosynthesis and thermal characterization of basic copper carbonate nanoparticles

• Authors: Seied Pourmortazavi , Iraj Kohsari , Seiedeh Hajimirsadeghi
• Languages of publication: EN

Abstracts

EN

The present study concerns the electrochemical synthesis of basic copper carbonate nanoparticles by oxidation of metallic copper on the anode in an aqueous bicarbonate solution. This simple and one-step preparation can be considered as green synthesis. The scanning electron microscopy (SEM) analysis indicates that average particle size of the product is in the range of about 70 nm. On the other hand, basic copper carbonate micro-powder has been prepared, by mixing solutions of copper(II) sulphate and sodiu bicarbonate. The SEM analysis showed that the size of particles prepared in the same way is in the range of about 1 µm. In another part of this study, the thermal decomposition of micro and nanoparticles of copper carbonate produced by various methods was studied in air using TG-DTA techniques. The results of thermal study show that the decomposition of both samples occurs in single step. Also, the TG-DTA analysis of the nanoparticles indicates that the main thermal degradation occurs in the temperature range of 245–315°C. However, microparticles of Cu(OH)2 · CuCO3 decomposed endothermally in the temperature range of 230–330°C. [...]

Keywords

EN

Nanoparticle; Electrosynthesis; Basic copper carbonate; Thermal decomposition; TG-DTA

• Journal: Open Chemistry
• Year: 2009
• Volume: 7
• Issue: 1
• Pages: 74-78

Dates

published

1 - 3 - 2009

online

23 - 12 - 2008

Contributors

author

Seied Pourmortazavi

• Faculty of Material and Manufacturing Technologies, Malek Ashtar University of Technology, Tehran, Iran,

author

Iraj Kohsari

• Faculty of Material and Manufacturing Technologies, Malek Ashtar University of Technology, Tehran, Iran

author

Seiedeh Hajimirsadeghi

• Faculty of Material and Manufacturing Technologies, Malek Ashtar University of Technology, Tehran, Iran

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Identifiers

DOI

10.2478/s11532-008-0094-4