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Emission spectra of Au nanoparticles with increasing incident wavelength from . The inset reports the comparison between the PL intensity of Au nanoparticles (dash line) and device quality epifilm (solid line).
Emission spectra of evaporated and uniform gold film of (solid line); sputtered and nanopatterned gold film of (dash line) with an inset scanning electron microscopy (SEM) image showing the rough surface of the sputtered gold film (the size bar of ).
The PLE and PL spectra of gold nanoparticles, The PLE (solid line was obtained by detection at while PL (dash line) was obtained by excitation at . The insert shows surface plasmon absorption spectrum of Au at room temperature.
The power dependence of photoluminescence integrated intensity of gold nanoparticles for excitation.
The PL spectra of nanoparticles with and without Au nanoparticles.
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