Raed Sherif – Concentrated Photovoltaic for Large Scale Solar ...

HistoryGo back to 1980 and ask: why was solar PV expensive back then?To a first degree, the semiconductor was expensive & inefficientSo you needed plenty of expensive semiconductor area per MWTwo schools of thought:‣ Reduce cost of semiconductor (and try to make it moreefficient)‣ Use as little semiconductor as possible – Replaceexpensive semiconductor with inexpensive optics