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

PbSe quantum nanocrystal solar cells represent a promising avenue for achieving high photovoltaic efficiency. These devices leverage the unique optoelectronic properties of PbSe quantum dots, which exhibit size-tunable bandgaps and exceptional light absorption in the solar spectrum. By meticulously tuning the size and composition of the PbSe partic