|2525 Solar Cell Test1.pdf||A G R E AT E R M E A S U R E O F C O N F I D E N C E present in all semiconductor materials.
When a photon with energy greater than the
junction bandgap enters the cell, an electron
is "pumped" from the valence band (below
the Fermi level) to the conduction band. This
causes the junction to create a forward bias