Optical Properties of Core–Shell Gold–Silver and Silver–Gold Nanoparticles for Near UV and Visible Radiation Wavelengths
Optical Properties of Core–Shell Gold–Silver and Silver–Gold Nanoparticles for Near UV and Visible Radiation Wavelengths
复制标题
近紫外和可见辐射波长下核壳金银和银金纳米颗粒的光学特性
DOI:
10.1007/s11468-012-9330-z
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发表时间:
2012
期刊:
影响因子:
3
通讯作者:
Fritzsche
中科院分区:
文献类型:
--
作者:
V. Pustovalov;Astafyeva;Fritzsche
Modeling of optical properties of spherical core–shell gold–silver and silver–gold nanoparticles (NPs) was carried out based on extended Mie theory for radiation wavelengths in the range 300 ≤ λ ≤ 650 nm. Efficiency factors of absorption, scattering, and extinction of radiation by core–shell NPs in the range of the radii 5–100 nm and in the range of shell thicknesses 0–40 nm were calculated. Results show the nonlinear dependences of optical properties of core–shell gold–silver and silver–gold nanoparticles on radiation wavelengths, core radii, and shell thicknesses. These results can be applied for photonic technologies of nanoparticles.
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