Product invention is the process of generating new concepts for products that meet customer needs. It involves a combination of creativity, analysis, and implementation to bring unique concepts to market. Successful product invention can lead to competitive advantage. It also helps businesses adapt to change in a constantly shifting marketplace. B

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