Abstract
Article history: Received January 22, 2014 Received in revised form February 02, 2014 Accepted 28 May 2014 Available online 5 June 2014 Copper oxide nanoparticles were successfully synthesized by mechanochemical reaction, which is a green, low cost, solvent free, rapid method and followed by calcining treatment. Copper acetate monohydrate and urea were used as reagents and the resulted precursor was calcined at 500 C for 2h in air. The scanning electron microscopy (SEM) revealed the formation of nanoparticles with an average size of about 86 nm. The Fourier transform infrared (FT–IR) spectrum and X-ray powder diffraction (XRD) pattern of the product confirmed all of reflections can be indexed to pure phase of CuO with a monoclinic crystal system. The diffuse reflectance spectrum (DRS) showed a band gap of 1.7 eV. © 2014 Growing Science Ltd. All rights reserved.
Highlights
Nanostructured materials have stimulated intensive research interest in the recent years due to their unique properties and the potential applications in photonic and nanoelectronics, which are dependent on size of particles[1]
Thermogravimetric analysis (TGA) curve shown in Fig. 1 indicates a several-steps pattern of weight loss in the temperature range 80 – 430 °C
It is expected that these CuO nanoparticles can be used as photocatalyst
Summary
Nanostructured materials have stimulated intensive research interest in the recent years due to their unique properties and the potential applications in photonic and nanoelectronics, which are dependent on size of particles[1]. One of the approaches to synthesize metal oxide nanostructures is the ball milling or mechanochemical method[14,15,16]. Mechanical milling (MM) is an effective, useful, low cost and a simple technique, which is used to synthesize numerous materials including solid solutions, quasicrystalline, nanocrystalline and crystalline materials. This process was developed by Benjamin and his co-workers in 1960s as milling mixing for the first time. The final product was characterized by FT–IR spectroscopy, XRD and SEM techniques
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