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ICOP & ICPET 2018, 24 - : 277-280 Back to browse issues page
Optical and Structural Properties of Cu/Cu2O and CuO NPs Synthesized by Ce:Nd:YAG Pulsed Laser Ablation
Hossein Dizajghorbani Aghdam * 1, Hajar Azadi 1, Marzieh Esmaeilzadeh 1, Rasoul Malekfar 1
1- Atomic and Molecular Physics Group, Department of Physics, Tarbiat Modares University
Abstract:   (107 Views)
In this paper, copper / copper oxide (I) NPs have been fabricated by Ce:Nd:YAG pulsed laser ablation method and then the prepared NPs converted to copper oxide (II) NPs by heating in the presence of oxygen. Target type, ablation medium and laser parameters can have impact on the structure of the final synthesized NPs. A copper sheet (with 99.98% purity) was stabilized in deionized (DI) water and exposed to the fundamental harmonic pulse radiation of Ce:Nd -YAG laser operating at 1064 nm wavelength with the pulse width of 8 ns and a repetition rate of 10 Hz. In this study, the results show that 1064 nm laser radiation is a convenient and flexible method for the preparation of copper / copper oxide (I) NPs in DI water. Heating technique is a simple way to convert these types of NPs to copper oxide (I). The synthesized NPs were characterized by UV-Visible absorption, X-ray diffraction (XRD) and scanning electron microscopy SEM. The energy band gap of the nanoparticle was also determined .SEM analysis reveals that NPs have an average size of 45 nm. UV-Visible absorption spectra and XRD patterns confirm the formation of Cu / Cu2O NPs and CuO NPs in the sample.
Keywords: Pulsed laser ablation, Ce:Nd:YAG, Copper / Copper Oxide (1) NPs, Copper Oxide (II)
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Type of Study: Research | Subject: Special
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Dizajghorbani Aghdam H, Azadi H, Esmaeilzadeh M, Malekfar R. Optical and Structural Properties of Cu/Cu2O and CuO NPs Synthesized by Ce:Nd:YAG Pulsed Laser Ablation . ICOP & ICPET. 2018; 24 :277-280
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