Bandgap and Complex Dielectric Function from the Low-Loss Energy Spectrum for SnO<sub>2</sub> Prismatic Nano-Rods.

Morales-Mendoza, J.E.; Herrera‐Pérez, G.; Ornelas, C.; Paraguay‐Delgado, F.

doi:10.1017/s1431927621002531

Microsc Microanal

2021

DOI: 10.1017/s1431927621002531

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Bandgap and Complex Dielectric Function from the Low-Loss Energy Spectrum for SnO₂ Prismatic Nano-Rods.

J.E. Morales-Mendoza¹,

G. Herrera‐Pérez

C. Ornelas

et al.

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UV-Enhanced nonlinear optoelectronic features in iridium-doped tin oxide thin films

Hurtado-Aviles,

Trejo-Valdez,

Cabrera-Rodríguez

et al. 2024

Semicond. Sci. Technol.

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This work explores the influence of ultraviolet (UV) light on the third-order nonlinear optical properties of iridium-doped tin oxide (Ir-doped SnO2) films prepared by spray pyrolysis. The nonlinear optical response of these films is systematically evaluated using single-beam transmittance and two-wave mixing experiments. A nanosecond laser source emitting at 532 nm induced a two-photon absorption effect positively affected by UV irradiation, resulting in a significant improvement in the nonlinear optical properties of the Ir-doped SnO2 films. A reliable and reproducible deposition route was employed to effectively control the film thickness. The effect of Ir doping on SnO2 semiconductor thin films was meticulously characterized using various analytical methods, including scanning electron microscopy, energy dispersive spectroscopy, X-ray photoelectron spectroscopy, and X-ray diffraction analysis. Optical properties such as refractive index, extinction coefficient and thickness were investigated using UV-Vis and spectroscopic ellipsometry. Additionally, the electrochemical impedance spectroscopy measurements revealed distinct optoelectronic behavior induced by an ultraviolet light source. The observed strong nonlinear optical response exhibited by the Ir-doped SnO2 thin films holds great interest for potential applications in photonic and nonlinear devices.

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UV-Enhanced nonlinear optoelectronic features in iridium-doped tin oxide thin films

Hurtado-Aviles,

Trejo-Valdez,

Cabrera-Rodríguez

et al. 2024

Semicond. Sci. Technol.

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show abstract

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Bandgap and Complex Dielectric Function from the Low-Loss Energy Spectrum for SnO₂ Prismatic Nano-Rods.

Cited by 1 publication

References 3 publications

UV-Enhanced nonlinear optoelectronic features in iridium-doped tin oxide thin films

UV-Enhanced nonlinear optoelectronic features in iridium-doped tin oxide thin films

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Bandgap and Complex Dielectric Function from the Low-Loss Energy Spectrum for SnO2 Prismatic Nano-Rods.

Cited by 1 publication

References 3 publications

UV-Enhanced nonlinear optoelectronic features in iridium-doped tin oxide thin films

UV-Enhanced nonlinear optoelectronic features in iridium-doped tin oxide thin films

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Bandgap and Complex Dielectric Function from the Low-Loss Energy Spectrum for SnO₂ Prismatic Nano-Rods.