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In this study, a gold nanobox with 40 nm edge length has been transformed into nanoframe gradually by increasing the square-hole length in each {100} facet of the hexahedron. The local dielectric environment-dependent plasmon spectra and refractive index sensitivity of this face-holed single gold nanocage were investigated based on the discrete dipole approximation method. Both the redshift of the...
Optical limiting frequency and bandwidth of nanocomposite films containing gold nanorods embedded in a dielectric matrix were investigated by using Maxwell–Garnett (MG) effective medium model and quasi-static theory. Because of the morphological anisotropy of the gold nanorods, there are two bands of optical limiting taking place in the visible and near infrared region. A large variation of the optical...
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