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zhwenk: ½ð±Ò+10, ¡ï¡ï¡ï¡ï¡ï×î¼Ñ´ð°¸, thank you£¡ 2015-09-22 19:56:50
According to the previous studies, the fast components around 0.2~0.8 ns are ascribed to the lifetime of intrachain excitons of PCFOz, i.e., the single chain or other isolated chromophore in Polyfluorene derivatives, and the long components around 2 ns are ascribed to the lifetime of interchain excitons (Monkman, A., et al., Advances in Polymer Science, 2008. 212: 187-225); a relatively long lived third one (5.5~7.4 ns) with small lifetime weighted fractional intensity (A% < 5) is assignable to charge-transfer (CT) emission.
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