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首页> 外文期刊>Review of Scientific Instruments >Absolute determination of photoluminescence quantum efficiency using an integrating sphere setup
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Absolute determination of photoluminescence quantum efficiency using an integrating sphere setup

机译：使用积分球设置绝对确定光致发光量子效率

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摘要

An integrating sphere-based setup to obtain a quick and reliable determination of the internal quantum efficiency of strongly scattering luminescent materials is presented. In literature, two distinct but similar measurement procedures are frequently mentioned: a “two measurement” and a “three measurement” approach. Both methods are evaluated by applying the rigorous integrating sphere theory. It was found that both measurement procedures are valid. Additionally, the two methods are compared with respect to the uncertainty budget of the obtained values of the quantum efficiency. An inter-laboratory validation using the two distinct procedures was performed. The conclusions from the theoretical study were confirmed by the experimental data.
机译：提出了一种基于积分球的设置，可以快速可靠地确定强散射发光材料的内部量子效率。在文献中，经常提到两种截然不同但相似的测量程序：“两次测量”和“三次测量”方法。两种方法均通过应用严格的积分球理论进行评估。发现两种测量程序均有效。另外，将两种方法相对于获得的量子效率值的不确定性预算进行比较。使用两个不同的程序进行了实验室间验证。实验数据证实了理论研究的结论。

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