Study on preparation and nonlinear optical properties of titanium dioxide composites covalently sensitized with porphyrins

Yuhan Duan; Shuai Chen; Qian Duan

doi:10.1117/12.3015608

6 February 2024 Study on preparation and nonlinear optical properties of titanium dioxide composites covalently sensitized with porphyrins

Yuhan Duan, Shuai Chen, Qian Duan

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Proceedings Volume 12979, Ninth International Conference on Energy Materials and Electrical Engineering (ICEMEE 2023); 1297911 (2024) https://doi.org/10.1117/12.3015608
Event: 9th International Conference on Energy Materials and Electrical Engineering (ICEMEE 2023), 2023, Guilin, China

Abstract

A combination of organic and inorganic components was used to synthesize the nanocomposites TCPP-SSA-P25-PMMA, which involved connecting porphyrin and TiO₂. These nanocomposites were then used to create optical devices with practical uses. The Z-scan technique was employed to investigate the nonlinear optical properties of the material. The results demonstrated that TCPP-SSA-P25-PMMA possesses outstanding nonlinear optical properties, with a value of 2.5 × 10^-9 m/W and an Im[χ⁽³⁾] of 15.8 × 10^-11esu. TCPP-SSA-P25-PMMA was incorporated into a poly (methyl methacrylate) (PMMA) matrix to produce TCPP-SSA-P25-PMMA/PMMA optical plastic, which exhibited improved third-order optical nonlinearity, with a value of 5.1 × 10^-9 m/W and an Im[χ⁽³⁾] of 1.68 × 10^-10 esu. Furthermore, it displayed a dynamic range of 0.4 and a minimum transmittance of 0.4. These enhancements were attributed to the suppression of the porphyrin group's aggregation effect on TCPP-SSA-P25-PMMA in the solid matrix. As a result, the nanocomposite has substantial potential for practical applications.

(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.

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Yuhan Duan, Shuai Chen, and Qian Duan "Study on preparation and nonlinear optical properties of titanium dioxide composites covalently sensitized with porphyrins", Proc. SPIE 12979, Ninth International Conference on Energy Materials and Electrical Engineering (ICEMEE 2023), 1297911 (6 February 2024); https://doi.org/10.1117/12.3015608

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KEYWORDS

Plastics

Nonlinear optics

Optical properties

Transmittance

Matrices

Magnesium

Polymethylmethacrylate

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