Ateyyah M Al-Baradi, Fatimah A Altowairqi, A A Atta, Ali Badawi, Saud A Algarni, Abdulraheem S A Almalki, A M Hassanien, A Alodhayb, A M Kamal, M M El-Nahass. Structural and optical characteristic features of RF sputtered CdS/ZnO thin films[J]. Chinese Physics B, 2020, 29(8):
- Chinese Physics B
- Vol. 29, Issue 8, (2020)
Fig. 1. FTIR spectra of as-deposited and thermally annealed CdS/ZnO thin films.
Fig. 2. Observed XRD patterns of as-deposited and thermally annealed CdS/ZnO thin films.
Fig. 3. FESEM micrographs of as-deposited and thermally annealed CdS/ZnO thin films as a function of temperatures: (a) as-deposited film, (b) annealed film at 373 K, (c) annealed film at 473 K, and (d) annealed film at 573 K.
Fig. 4. The absorbance spectra of as-deposited and thermally annealed CdS/ZnO thin films.
Fig. 5. Transmittance and reflectance spectra of asdeposited and thermally annealed CdS/ZnO thin films.
Fig. 6. Spectral dependence of absorption coefficient of as-deposited and thermally annealed CdS/ZnO thin films with inset showing energy dependence of ln(α ) for as-deposited and thermally annealed CdS/ZnO.
Fig. 7. Plots of (αhν )1/2versus hν for as-deposited and thermally annealed CdS/ZnO thin films.
Fig. 8. Room-temperature PL spectra of as-deposited and thermally annealed CdS/ZnO thin films excited at 300 nm.
Fig. 9. De-convoluted analysis of annealed CdS/ZnO thin film at 573 K.
Fig. 10. Spectral dependence of mean real part of refractive index, n , of as-deposited and thermally annealed CdS/ZnO thin films.
Fig. 11. Plots of (n 2 − 1)−1versus (hν )2 for as-deposited and thermally annealed of CdS/ZnO thin films.
Fig. 12. Plots of n 2versus λ 2 for as-deposited and thermally annealed of CdS/ZnO thin films.
Fig. 13. Spectral behaviors of third-order nonlinear susceptibility, χ (3) for as-deposited and thermally annealed of CdS/ZnO thin films.
Fig. 14. Spectral behaviors of nonlinear refractive index n 2 for as-deposited and thermally annealed of CdS/ZnO thin films.
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Table 1. Experimental parameters of sputtering-deposited CdS/ZnO thin films.
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Table 2. Optical parameters of transparent CdS/ZnO thin films.
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