Figure 3: PL quantum beating from spin-entangled 1(TT). | Nature Communications

Figure 3: PL quantum beating from spin-entangled 1(TT).

From: The entangled triplet pair state in acene and heteroacene materials

Figure 3

(a) PL decay of F2-TES ADT and tetracene films following femtosecond excitation at 300 K, after subtraction of multi-exponential envelope. Resulting slow oscillations (grey: raw, black: smoothed) decay in agreement with extracted 1(TT) kinetics in F2-TES ADT and red-emitting feature in tetracene (red). (b) Fourier transform of the oscillations, revealing quantum beats at 1.05, 1.96, 2.88±0.1 GHz (F2-TES ADT) and 0.99, 1.91 and 3.06±0.1 GHz (tetracene).

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