期刊
OPTICS AND LASER TECHNOLOGY
卷 150, 期 -, 页码 -出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.optlastec.2022.107959
关键词
Nd doped Co3O4 thin films; Structural properties; Optical properties; Dielectric and electrical properties; Nonlinear optics
资金
- Deanship of Scientific Research at King Khalid University [R.G.P.2/160/42]
- Princess Nourah bint Abdulrahman University, Riyadh, Saudi Arabia [PNURSP2022R1]
In this study, different Neodymium contents loaded cobalt oxide nanostructured thin films were fabricated using facile spray pyrolysis method, and their structural, optical, and electrical properties were investigated.
Herein we are reporting the facile spray pyrolysis fabrication of different Neodymium (Nd) contents loaded cobalt oxide (Co3O4) nanostructured thin films at 400 degrees C substrate temperature and investigated for optononlinear applications. Structural and vibrational studies approve the cubic system of all films with the low crystallite size between 25 and 20 nm. FESEM e-mapping and EDX analyses further confirm the homogeneous Nd doping in Co3O4 films. FESEM study reveals that the grains are very fine and distributed throughout the films. The optical study reveals that the grown films possess two energy gaps which are between 2.03 and 2.15 eV and 1.49-1.55 eV. Photoluminescence study has been performed at three different excitation wavelengths and the mono-emission was noticed at 375, 500 and 754 nm. Furthermore, the linear absorption and refractive indices were determined along with dielectric and electrical properties. Also, the nonlinear susceptibility and refractive index were determined and found to be in range of 4 x 10(-13) to 1.27 x 10(-10) esu and 5.86 x 10(-12) to 1.35 x 10(-9) esu., respectively.
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