Fig. 1: Distribution of the quantum dots in the sodium borophosphate (NBP) glass-based nanoplasmonic composite with CdTe quantum dots and silver nanoparticles (nAg), NBP:CdTe,nAg.
From: Ultrafast photoluminescence and multiscale light amplification in nanoplasmonic cavity glass

a Scheme showing the generation of the optical signal in the material. b fluorescence-lifetime imaging microscopy showing the optical signal originating from the CdTe QDs (diameter 1.5 nm, λem = 510 nm) in the material; luminescence is depicted as green dots.