That's how photosynthesis works, too, only the electrons are free to move in a wider band [http://www.ucmp.berkeley.edu/glossary/gloss3/pigments.html http://www

That's how photosynthesis works, too, only the electrons are free to move in a wider band [http://www.ucmp.berkeley.edu/glossary/gloss3/pigments.html http://www.ucmp.berkeley.edu/glossary/gloss3/pigments.html]. But there's more to the whole process, other molecules and what not. Plants are known to have been "burned" by LED, and not due to heat. Some turn pale if they don't get a broad spectrum, if I remember correctly.