IOP Publishing, Journal of Physics: Conference Series, (185), p. 012002, 2009
DOI: 10.1088/1742-6596/185/1/012002
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Following experimental determination of kinetic parameters governing the up-conversion of light by triplet-triplet annihilation (TTA-UC), we develop a kinetic model to determine the conditions required for efficient up-conversion. We discuss the assumptions underpinning statistical arguments for an upper limit to TTA-UC and argue that no such limit exists.