June 18, 2014

High‐Efficiency Fluorescent Organic Light‐Emitting Devices Using Sensitizing Hosts with a Small Singlet–Triplet Exchange Energy

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Abstract

Materials with small singlet-triplet splits (ΔEST s) are introduced as sensitizing hosts to excite fluorescent dopants, breaking the trade-off between small ΔEST and high radiative decay rates. A highly efficient orange-fluorescent organic light-emitting diode (OLED) is prepared, showing a maximum external quantum efficiency of 12.2%.

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Zhang et al. (Wed,) studied this question.

synapsesocial.com/papers/69d93b16e0d31bb747836348 https://doi.org/https://doi.org/10.1002/adma.201401476

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