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

PbSe quantum dot 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 solar spectrum. By carefully tuning the size and composition of the PbSe crystals, resea