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<p>Gold-coated nanoparticles have garnered significant attention in recent years due to their exceptional thermal stability and distinct optical properties. This paper investigates the optical characteristics of various nanoparticles, including Silica, Gold, and Gold-coated Silica nanoparticles, using Mie theory, Gan’s theory, and the effective medium approach. Plasmonic nanoparticles have been extensively studied for medical applications across various scientific fields. Their surface plasmon resonance and remarkable ability to absorb and scatter light have revolutionized the diagnosis, treatment, and assessment of numerous diseases, particularly cancer. One of the valuable applications of these nanoparticles, linked to their optical and plasmonic properties, is their use in photothermal therapy for cancer treatment. Nanoparticle-based phototherapy has emerged as one of the most effective cancer treatment methods in recent years, owing to its high efficiency in destroying cancerous tumors while minimizing side effects.</p>

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Dependence of Extinction Cross-Section, Absorption and Surface Plasmon Resonance of Nanoparticle Surface Size and Concentration of Silica@Gold Nanoparticles

  • 期刊论文

  • 发表日期：

    2025年1月23日

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  • Hassan Nasiri,
  • Mohammad Salahandish,
  • Hadi Sharifi,
  • Nima Mohammadzadehasl

摘要

Gold-coated nanoparticles have garnered significant attention in recent years due to their exceptional thermal stability and distinct optical properties. This paper investigates the optical characteristics of various nanoparticles, including Silica, Gold, and Gold-coated Silica nanoparticles, using Mie theory, Gan’s theory, and the effective medium approach. Plasmonic nanoparticles have been extensively studied for medical applications across various scientific fields. Their surface plasmon resonance and remarkable ability to absorb and scatter light have revolutionized the diagnosis, treatment, and assessment of numerous diseases, particularly cancer. One of the valuable applications of these nanoparticles, linked to their optical and plasmonic properties, is their use in photothermal therapy for cancer treatment. Nanoparticle-based phototherapy has emerged as one of the most effective cancer treatment methods in recent years, owing to its high efficiency in destroying cancerous tumors while minimizing side effects.