Calculated absorption and scattering properties of gold nanoparticles of different size, and composition: Applications in biological imaging and biomedicine

Article Abstract:

Mie theory and discrete dipole approximation method was used to calculate absorption and scattering efficiencies and optical resonance wavelengths for three commonly used classes of the nanoparticles. The calculated spectra clearly reflected the dependence of nanoparticle optical properties namely the resonance wavelength, the extinction cross-section, and the ratio of scattering to absorption, on the nanoparticle dimensions.

Primary nonferrous metals, not elsewhere classified, Primary Smelting and Refining of Nonferrous Metal (except Copper and Aluminum), Gold, Diagnostic imaging, Properties, Structure, Nanoparticles

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Plasmon coupling in nanorod assemblies: Optical absorption, discrete dipole approximation simulation, and exciton-coupling model

Article Abstract:

A study explores the orientational dependence of plasmon coupling in assemblies of anisotropic plasmonic nanoparticles. Findings demonstrate that the solution assembly of nanorods induced by the addition of sodium citrate results in the blue-shift of the longitudinal nanorods plasmon band, and a red-shift of the transverse plasmon band.

All Other Basic Inorganic Chemical Manufacturing, Potassium & Sodium Compounds, Sodium & Sodium Compounds, Optical properties, Plasmons (Physics), Sodium compounds, Nanorods

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