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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >Use of multiple layers to adjust energy transfer for raising intensity of photoluminescence
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Use of multiple layers to adjust energy transfer for raising intensity of photoluminescence

机译:使用多层来调节能量转移,以提高光致发光强度

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摘要

Organic quantum well structure-like (OQWSL) samples and double-layer structure (DLS) samples were prepared, which consisted of alternate 2-(4-biphenylyl)-5(4-tert-butyl-phenyl)-1,3,4-oxadiazole (PBD) and tris(8-hydroxyquinoline) aluminium (Alq(3)). In the case of OQWSL, the distance between the potential barrier material and the potential well material becomes shorter, so the energy transfer from PBD to Alq(3) is increased. We investigate the energy transfer in OQWSL with different periods. This energy transfer goes to saturation when the period number is 4, which indicates that there is an optimal period number for the energy transfer efficiency. The effective distance of energy transfer from PBD to Alq(3) could be estimated.
机译:制备了由交替的2-(4-联苯基)-5(4-叔丁基-苯基)-1,3,4组成的有机量子阱结构样(OQWSL)和双层结构(DLS)样品-恶二唑(PBD)和三(8-羟基喹啉)铝(Alq(3))。在OQWSL的情况下,势垒材料和势阱材料之间的距离变短,因此从PBD到Alq(3)的能量转移增加。我们研究了不同时期OQWSL中的能量转移。当周期数为4时,此能量传递达到饱和,这表明存在用于能量传递效率的最佳周期数。可以估计从PBD到Alq(3)的能量转移的有效距离。

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