Figure 7

PL spectra from the irradiated samples comprising of nanoparticle array and an irradiated Si layer on SiO2. The fluences are indicated on the images. The green arrow shows SPR emission wavelength of Au nanoparticles.
PL spectra from the irradiated samples comprising of nanoparticle array and an irradiated Si layer on SiO2. The fluences are indicated on the images. The green arrow shows SPR emission wavelength of Au nanoparticles.