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Optical analysis of methyl violet thin films/polymeric substrate for flexible organic technology

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Abstract

In this research, the spin coating as a low-cost non-vacuum preparation technique was used to deposit high-quality thin films of Methyl Violet-10B (MV-10B) with different thicknesses on flexible polymeric substrates. X-ray diffraction technique was applied to distinguish the crystal structure of MV-10B films with different thicknesses. The X-ray diffraction patterns revealed the amorphous nature of all MV-10B films on the polymeric substrates. The optical band gap (direct and indirect) was measured using Tauc's relationship with the various thicknesses of MV-10B films. The linear optical parameters such as refractive index, dielectric constant, and loss were investigated with the difference in thickness of these films. The dispersion parameters of the studied films were estimated according to the single oscillator model provided by Wemple and Di-Domenico. As regards the film thickness, the spectral distribution of linear and nonlinear susceptibilities of MV-10B films was studied. The optical limiting behavior of MV-10B films on the polymeric substrates also has been examined to know how to control the laser beam power as a function of the film thickness. Methyl violet 10B thin films/polymeric substrate for flexible organic technology and Laser power attenuation, and flexible CUT-OFF laser filters in optoelectronic devices.

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Acknowledgements

The authors express their appreciation to the Deanship of Scientific Research at King Khalid University for funding this work through research groups program under Grant Number R.G.P.1/22/40

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Correspondence to A. Abdel-Galil.

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Abdel-Galil, A., Assiri, M.A. & Yahia, I.S. Optical analysis of methyl violet thin films/polymeric substrate for flexible organic technology. Opt Quant Electron 52, 377 (2020). https://doi.org/10.1007/s11082-020-02491-6

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  • DOI: https://doi.org/10.1007/s11082-020-02491-6

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