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Solar Grade: A Silicon Revolution

I also think this is an excellent article. I have thought for some time that most people underestimate silicon PV's ability to remain competitive.

On the other hand, I agree with User 232175 that Moore's Law (or some equivalent) does not apply to PV. Moore's Law states that the number of transistors in an integrated circuit doubles every two years. The cost of an integrated circuit has remained more or less constraint for the past 40+ years while its capabilities have increased in line with the number of transistors it contains. (As far as I can tell, Moore's Law is just a logistic function (S-curve) with nearly unlimited growth potential.) For there to be a solar equivalent to Moore's Law, there would need to be a nearly an unlimited potential to increase its efficiency.