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<p>This has a look at pursuits to computationally analyze the consequences of laser irradiation on the physical, chemical, and optical houses of titanium dioxide (TiO<sub>2</sub>) through the usage of MATLAB-based modeling, supplying insights into laser-pushed cloth changes. A multi-physics framework was developed, integrating Fourier warmness transfer equations, Arrhenius-based chemical kinetics, and Beer-Lambert optical dispersion models. The MATLAB PDE Toolbox and Simulink have been hired to simulate temperature distributions, phase transitions, and defect dynamics beneath varying laser parameters (depth: 1–10 GW/cm<sup>2</sup>, wavelength: 266–1064 nm). The simulations revealed laser-precipitated anatase-to-rutile segment transitions at 7.8 GW/cm<sup>2</sup> and bandgap narrowing (2.8–3.0 eV) because of oxygen emptiness formation. Experimental validation via X-ray diffraction and X-ray photoelectron spectroscopy confirmed these trends with &lt; 8% blunders. The findings increase the design of laser-processed TiO<sub>2</sub> for high-performance sun cells, photocatalytic reactors, and optical sensors, providing a roadmap for the precision engineering of metal oxides in sustainable technologies.</p>

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Laser-material interaction analysis of TiO2: optical, structural, and chemical insights

  • 期刊论文

  • 发表日期：

    2025年10月11日

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  • Nada S. Ahmade

摘要

This has a look at pursuits to computationally analyze the consequences of laser irradiation on the physical, chemical, and optical houses of titanium dioxide (TiO2) through the usage of MATLAB-based modeling, supplying insights into laser-pushed cloth changes. A multi-physics framework was developed, integrating Fourier warmness transfer equations, Arrhenius-based chemical kinetics, and Beer-Lambert optical dispersion models. The MATLAB PDE Toolbox and Simulink have been hired to simulate temperature distributions, phase transitions, and defect dynamics beneath varying laser parameters (depth: 1–10 GW/cm2, wavelength: 266–1064 nm). The simulations revealed laser-precipitated anatase-to-rutile segment transitions at 7.8 GW/cm2 and bandgap narrowing (2.8–3.0 eV) because of oxygen emptiness formation. Experimental validation via X-ray diffraction and X-ray photoelectron spectroscopy confirmed these trends with < 8% blunders. The findings increase the design of laser-processed TiO2 for high-performance sun cells, photocatalytic reactors, and optical sensors, providing a roadmap for the precision engineering of metal oxides in sustainable technologies.