Kobori Triplets Visual summary (IMAGE)
Caption
It was unclear what allows the energy of two low-energy photons to efficiently combine. Kobe University researchers now found that two molecules in an excited state have to be aligned, and for that to happen with a high likelihood, the excited states need to be able to move around between molecules of many different orientations. In addition, this hopping must not be too quick either, so there is enough time for the interconversion of different excited states.
Credit
OKAMAOTO Tsubasa
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License
CC BY