Fig. 5From: Bioengineered Silicon Diatoms: Adding Photonic Features to a Nanostructured Semiconductive Material for Biomolecular Sensing a Comparison between photoluminescence spectra of freshly converted silicon diatoms (SiD), silica diatoms (SiO2D), and silicon diatoms after incubation in water for 15 days (SiD-OH). b Spectra fitted by a Gaussian multi-peak routineBack to article page