DW Tomorrow Today July 12, 2024
Cells in the panel. Welcome to tomorrow today the science show on the d. W. Stuff how do solar cells actually was so hisself are mainly composed of silicon. Silicon atoms have full electrons in their outer shell and are stable but then the city come a split into 2 layers. Last christmas mixed into one like it has 5 electrons in its outer shell one too many which can orbit free. The 2nd layer is mixed with boron which has only 3 outer electrons one to feel. That means the layer has gaps which attract the excess phosphorus electrons this creates a flow of negatively charged electrons from one la...