1. p-type semiconductorn-type semiconductor p-n junction formation electron photon electron hole p-n Diode Formation & Application as a PV solar cell

2. p-type semiconductorn-type semiconductor i-type semiconductor p-i-n junction formation electron photon electron hole p-i-n Diode formation & Application as a PV solar cell 2

3. 3 Highlights & Breakthrough–3: Current practice of making tandem solar cells have huge disadvantages. Removal of T-J could raise efficiencies far beyond, achieved 40% efficiency (2005).

4. New Designs to absorb (UV, Visible & IR) and Combine (impact ionisation & impurity PV effect) in Order to Produce High Performance 4