Scholarlink

This study explores the optoelectronic characteristics of exciton confined within multilayered cylindrical quantum dots, considering the finite confinement potentials of both the first and second barrier materials. The interaction between the confined longitudinal optical (LO) phonons and exciton is analyzed, incorporating polaronic correlation effects arising from LO-phonon modes on the binding energy. The study employs an effective mass approximation alongside a variational method to present the impact of these factors on the interband emission wavelength of exciton. Furthermore, the investigation delves into the influence of core size, layer thickness, and barrier material potentials on excitonic properties. Results indicate that reducing the core size and increasing the barrier material potential amplifies the polaronic correction. Conversely, a decrease in core radius, particularly in the infrared spectrum, correlates with a decrease in the interband emission wavelength. These insights into polaronic corrections and emission wavelengths offer potential avenues for tailoring the properties of Light-Emitting Devices utilizing low-dimensional nanostructures.

错误：搜索内容不能为空，请输入英文关键词
错误：关键词超出字数限制，请精简
高级检索

Optoelectronic Characterization of Exciton in Multilayered Quantum Dots for Light-Emitting Devices Applications: Incorporating Polaronic Contribution

  • 会议论文

  • 发表日期：

    2025年

查看全文
  • Omar Mommadi,
  • Abdelaziz El Moussaouy,
  • Carlos Alberto Duque

摘要

This study explores the optoelectronic characteristics of exciton confined within multilayered cylindrical quantum dots, considering the finite confinement potentials of both the first and second barrier materials. The interaction between the confined longitudinal optical (LO) phonons and exciton is analyzed, incorporating polaronic correlation effects arising from LO-phonon modes on the binding energy. The study employs an effective mass approximation alongside a variational method to present the impact of these factors on the interband emission wavelength of exciton. Furthermore, the investigation delves into the influence of core size, layer thickness, and barrier material potentials on excitonic properties. Results indicate that reducing the core size and increasing the barrier material potential amplifies the polaronic correction. Conversely, a decrease in core radius, particularly in the infrared spectrum, correlates with a decrease in the interband emission wavelength. These insights into polaronic corrections and emission wavelengths offer potential avenues for tailoring the properties of Light-Emitting Devices utilizing low-dimensional nanostructures.