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A comment on Rice University researchers propose a way to boost solar efficiency. Parent comment

Re:Rice University researchers propose a way to boost solar ... by p1esk on Friday August 09, 2019 @06:56PM (#20658874)
If that's the case, how is it possible that low energy photons absorbed by carbon nanotubes can generate high energy photons?
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Re:Rice University researchers propose a way to boost solar ... by skosch on Friday August 09, 2019 @10:11PM (#20659733)
Because it's not a one-to-one conversion. See e.g. https://en.wikipedia.org/wiki/Second-harmonic_generation
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