Singlet-fission (Smith-Michl 2010): singlet excitation -> 2 triplets, beats Shockley-Queisser limit in solar cells; TTA upconversion converts low-E photons to higher-E via triplet-triplet annihilation.
Singlet-fission (Smith-Michl 2010): singlet excitation -> 2 triplets, beats Shockley-Queisser limit in solar cells; TTA upconversion converts low-E photons to higher-E via triplet-triplet annihilation.