Facile synthesis of Cu2O nanoparticles using pulsed laser ablation method for optoelectronic applications

被引：0

作者：

ElFaham M.M. ^{[1
,2
]}

Mostafa A.M. ^{[3
,4
,5
]}

Toghan A. ^{[6
,7
]}

机构：

[1] Department of Basic Engineering Sciences, Benha faculty of Engineering, Benha University

[2] Pyramids Higher Institute for Engineering and Technology, Giza

[3] Laser Technology Unit, Center of Excellent for Advanced Science, National Research Centre, 33 El Bohouth st. (former El Tahrir st.), Dokki, Giza

[4] Spectroscopy Department, Physics Division, National Research Centre, 33 El Bohouth st. (former El Tahrir st.), Dokki, Giza

[5] Center for Imaging and Microscopy (CIM), Zewail City of Science and Technology, October Gardens, 6th of October, Giza

[6] Chemistry Department, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU), Riyadh

[7] Chemistry Department, Faculty of Science, South Valley University, Qena

来源：

Colloids and Surfaces A: Physicochemical and Engineering Aspects | 2021年 / 630卷

关键词：

Laser ablation; LIBS; Nanoparticles; PLAL; Z-scan;

D O I：

10.1016/j.colsurfa.2021.127562

中图分类号：

学科分类号：

摘要：

Cu2O nanoparticles were synthesized by pulsed laser ablation (Nd:YAG laser, 7 ns, and 1064 nm) of Cu plate immersed in liquid media from ultra-pure water, and its particle sizes were varied by changing the repetition rates between pulses to be useful for optoelectronic applications. The prepared colloidal suspension nanoparticles were characterized based on different physical process as the diffraction of X-ray laser beam, the electronic transition of UV–visible light source, or plasma emission from laser-matter interaction by the techniques of X-ray diffraction, UV–visible spectroscopy, and laser-induced breakdown spectroscopy, respectively. These techniques showed decreasing in the average particle sizes as increasing in the repetition rate of a pulsed laser. After that, the optical nonlinearity of the prepared samples was investigated by the Z-scan technique to inform the nonlinear parameters as 2nd order nonlinear absorption coefficient (β), 3rd order nonlinear susceptibility (X3), and the nonlinear reflective index (n2), optical limiting property and its proposed mechanism. The prepared nanostructured materials of Cu2O materials have a good optical limiter material with a limiting threshold value around 0.7 GW/cm2 and a damage threshold around 1.4 GW/cm2. These results confirmed that the saturable absorption process was carried by two-photon absorption, especially when the repetition rate of the used pulsed laser during the laser ablation process. © 2021 Elsevier B.V.

引用

共 49 条

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