Fig. 6From: Electronic States of Nanocrystal Doped with Oxygen and Visible Emission on Black Silicon Prepared by ns-Laser a PL decay spectra near 400 nm with the faster photons. b PL decay spectra near 560 nm with the faster photons (ns) on smaller Si NCs. c PL decay spectra near 700 nm with the faster photons (ns) related to the impurity state emission and the slower photons (μs) on larger Si NCsBack to article page