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首页> 外文期刊>International Journal of Photoenergy >Using Pre-TMIn Treatment to Improve the Optical Properties of Green Light Emitting Diodes
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Using Pre-TMIn Treatment to Improve the Optical Properties of Green Light Emitting Diodes

机译：使用Pre-TMIn处理来改善绿色发光二极管的光学性能

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摘要

We investigated the effects of pre-TMIn treatment on the optical properties of green light emitting diodes (LEDs). Although pre-TMIn treatment did not affect the epitaxial structure of quantum wells, it significantly improved the quality of the surface morphology relative to that of the untreated sample. Indium cluster can be seen by high-resolution transmission electron microscopy (HR-TEM), which is the explanation for the red-shift of photoluminescence (PL). Time-resolved photoluminescence measurements indicated that the sample prepared with pre-TMIn treatment had a shorter radiative decay time. As a result, the light output power of the treated green LED was higher than that of the conventional untreated one. Thus, pre-TMIn treatment appears to be a simple and efficient means of improving the performance of green LEDs.
机译：我们研究了前TMIn处理对绿色发光二极管（LED）光学特性的影响。尽管TMIn预处理不影响量子阱的外延结构，但与未处理的样品相比，它显着提高了表面形态的质量。可以通过高分辨率透射电子显微镜（HR-TEM）看到铟簇，这是光致发光（PL）红移的解释。时间分辨的光致发光测量表明，TMIn前处理制备的样品具有较短的辐射衰减时间。结果，经过处理的绿色LED的光输出功率高于传统的未经处理的LED。因此，TMIn预处理似乎是改善绿色LED性能的简单有效的方法。

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