The expense comes in to play in how you treat the silicon in the solar cells. A Single crystal wafer of Silicon covering a cell is much more efficient than
that of a polycrystalline Silicon, but is also much more expensive as you must cut the pieces from a refined cylindrical ingot rather than a molten lump.
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The Master said: "It is all in vain! I have never yet seen a man who can perceive his own faults and bring the charge home against himself."
>Analects: Book V, Chaper XXVI
that of a polycrystalline Silicon, but is also much more expensive as you must cut the pieces from a refined cylindrical ingot rather than a molten lump.
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The Master said: "It is all in vain! I have never yet seen a man who can perceive his own faults and bring the charge home against himself."
>Analects: Book V, Chaper XXVI