Nanoparticlesmetallic have emerged as potent tools in a diverse range of applications, including bioimaging and drug delivery. However, their distinct physicochemical properties raise concerns regarding potential toxicity. Upconversion nanoparticles (UCNPs), a type of nanoparticle that converts near-infrared light into visible light, hold immense c

PbSe quantum nanocrystal solar cells represent a promising avenue for obtaining high photovoltaic efficiency. These devices leverage the unique optoelectronic properties of PbSe nanocrystals, which exhibit size-tunable bandgaps and exceptional light absorption in the near-infrared spectrum. By precisely tuning the size and composition of the PbSe c