inherent cost for photo-voltaics?

Can you think of any inherent reason that photo-voltaic cells must be costly?
I cannot. Processing costs are high for the devices in use today but
isn't it conceivable that dirt-cheap materials and arrangements thereof are possible?
Precise alignment of components may be required but need that be costly?
Dave
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snipped-for-privacy@newarts.com wrote:

Photovoltaics are cheap already--it's just that you insist on living in a manner that requires more energy than a $3 solar calculator.
Cheers,
Phil Hobbs
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