24v 50w led floodlight solar cell element strategy

Environmentally friendly solar cell materials

The first 30 elements in the order of the Clark number. Overall, oxygen accounts for 12 and silicon accounts for 1/4. From the Clark's point of view, silicon is still the most important material for the next generation of solar cells. At present, arsenic trioxide (GaAs) and cadmium telluride (CdTe), which are hotspots in solar cell materials research, have not entered the 30th position. For cIGs (Culn, Ga, Se2), only copper bismuth is the 25th. Therefore, it has been gradually studied to replace the indium (In) with tin (Sn30) and zinc (2n31) to form quaternary compound Cu. Inns.