三金属氧化物（FeO-MgO-CuO）纳米复合材料的合成及其结构和光学性质的评估。

Synthesis of trimetallic oxide (FeO-MgO-CuO) nanocomposites and evaluation of their structural and optical properties.

作者信息

Al-Hammadi A H, Alnehia Adnan, Al-Sharabi Annas, Alnahari Hisham, Al-Odayni Abdel-Basit

机构信息

Department of Physics, Faculty of Sciences, Sana'a University, Sana'a, 12081, Yemen.

Department of Physics, Faculty of Applied Sciences, Thamar University, Dhamar, 87246, Yemen.

出版信息

Sci Rep. 2023 Aug 9;13(1):12927. doi: 10.1038/s41598-023-39845-5.

In this paper, tri-phase FeO-MgO-CuO nanocomposites (NCs) and pure CuO, FeO and MgO nanoparticles (NPs) were prepared using sol-gel technique. The physical properties of the prepared products were examined using SEM, XRD, and UV-visible. The XRD data indicated the formation of pure CuO, FeO and MgO NPs, as well as nanocomposite formation with FeO (cubic), MgO (cubic), and CuO (monoclinic). The crystallite size of all the prepared samples was calculated via Scherrer's formula. The energy bandgap of CuO, FeO and MgO and FeO-MgO-CuO NCs were computed from UV-visible spectroscopy as following 2.13, 2.29, 5.43 and 2.96 eV, respectively. The results showed that FeO-MgO-CuO NCs is an alternative material for a wide range of applications as optoelectronics devices due to their outstanding properties.

在本文中，采用溶胶 - 凝胶技术制备了三相FeO - MgO - CuO纳米复合材料（NCs）以及纯CuO、FeO和MgO纳米颗粒（NPs）。使用扫描电子显微镜（SEM）、X射线衍射仪（XRD）和紫外 - 可见光谱仪对所制备产物的物理性质进行了检测。XRD数据表明形成了纯CuO、FeO和MgO纳米颗粒，以及由FeO（立方晶系）、MgO（立方晶系）和CuO（单斜晶系）组成的纳米复合材料。通过谢乐公式计算了所有制备样品的晶粒尺寸。根据紫外 - 可见光谱计算出CuO、FeO、MgO以及FeO - MgO - CuO纳米复合材料的能带隙分别为2.13、2.29、5.43和2.96电子伏特。结果表明，由于其优异的性能，FeO - MgO - CuO纳米复合材料是一种适用于广泛光电器件应用的替代材料。