The Moore’s law seem to be in cost, not in efficiency (though efficiency is also improving): http://blogs.scientificamerican.com/guest-blog/2011/03/16/smaller-cheaper-faster-does-moores-law-apply-to-solar-cells/
And if we get to the point where land is the bottleneck, well, I’d say we’d be doing fantastically well at that point :-)
The Moore’s law seem to be in cost, not in efficiency (though efficiency is also improving): http://blogs.scientificamerican.com/guest-blog/2011/03/16/smaller-cheaper-faster-does-moores-law-apply-to-solar-cells/
And if we get to the point where land is the bottleneck, well, I’d say we’d be doing fantastically well at that point :-)