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<p>The random laser is a unique optical device based on multi-light scattering, and the scatterer point was used to provide the reflection mechanism. Therefore, selecting the scatterer points is significant in designing the random laser. In this study, plasmonic (gold nanoparticles and silver nanoparticles) chitosan-C<sub>3</sub>N<sub>4</sub> nanoparticles&#xa0;were prepared using a laser ablation technique. The prepared samples have been characterized using analytical methods. So, the chitosan-C<sub>3</sub>N<sub>4</sub>-gold&#xa0;nanocomposite&#xa0;and chitosan-C<sub>3</sub>N<sub>4</sub>-silver&#xa0;nanocomposite have formed with a maximum crystal size of about 24 nm and 20 nm. The experiment confirmed the chitosan-C<sub>3</sub>N<sub>4</sub>-gold nanoparticles are suitable for random laser and the threshold is higher than other chitosan-C<sub>3</sub>N<sub>4</sub>-silver nanoparticles and chitosan-C<sub>3</sub>N<sub>4</sub> nanoparticles.</p>

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Chitosan-C3N4-Plasmonic Nanocomposite as a Generation of Scatterer Points for Random Laser Application

  • 期刊论文

  • 发表日期：

    2025年1月22日

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  • S. F. Haddawi,
  • Amir Reza Sadrolhosseini,
  • R. A. Ejbarah,
  • S. M. Hamidi,
  • Mahmood Kazemzad

摘要

The random laser is a unique optical device based on multi-light scattering, and the scatterer point was used to provide the reflection mechanism. Therefore, selecting the scatterer points is significant in designing the random laser. In this study, plasmonic (gold nanoparticles and silver nanoparticles) chitosan-C3N4 nanoparticles were prepared using a laser ablation technique. The prepared samples have been characterized using analytical methods. So, the chitosan-C3N4-gold nanocomposite and chitosan-C3N4-silver nanocomposite have formed with a maximum crystal size of about 24 nm and 20 nm. The experiment confirmed the chitosan-C3N4-gold nanoparticles are suitable for random laser and the threshold is higher than other chitosan-C3N4-silver nanoparticles and chitosan-C3N4 nanoparticles.