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在多层结构的有机电致发光器件（ＥＬ）研制中，一个最富吸引力的提高器件发光效率的方法是通过选择具有高荧光量子产率的发光染料为掺杂剂，加入到作为主体的电子或空穴传输层内，经电子与空穴在主体化合物层内的复合形成激子，经能量转移，激发染料分子，发射染料荧光．...
One of the most attractive ways to increase the device’s luminous efficiency in the development of multilayered organic electroluminescent devices (EL) is to add dopant to the host dye by selecting a luminescent dye with a high fluorescence quantum yield In the electron or hole transport layer, the recombination of electrons and holes in the host compound layer forms excitons, which are transferred by energy to excite dye molecules and emit dye fluorescence. ...