宏观和微观测量吸收的最佳做法

IF 5.4 1区 物理与天体物理 Q1 OPTICS
APL Photonics Pub Date : 2024-06-26 DOI:10.1063/5.0210830
A. R. Bowman, J. Ma, F. Kiani, G. García Martínez, G. Tagliabue
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引用次数: 0

摘要

对于包括太阳能电池、发光二极管和光(电)化学器件在内的各种光电和能源器件来说,材料的光吸收率是一个关键参数。它可以揭示详细的性能信息,并确定材料的理论效率极限。然而,精确测量吸收是一项挑战,特别是由于宏观尺度的散射效应和微观尺度的小面积垂直照射。在本教程中,我们将介绍在宏观和微观尺度上测量吸收的概念和最佳实践。我们还举例说明了如何利用吸收来揭示能源设备中的关键光电信息。这项工作旨在使多个领域的吸收测量记录标准化,从而提高对各种样品的微观了解。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Best practices in measuring absorption at the macro- and microscale
The fraction of light absorbed in a material is a key parameter for a wide range of optoelectronic and energy devices, including solar cells, light emitting diodes, and photo(electro)chemical devices. It can reveal detailed performance information and establish a material’s theoretical efficiency limits. However, measuring absorption accurately is challenging, especially due to scattering effects at the macroscale and achieving perpendicular illumination over a small area at the microscale. In this tutorial, we present concepts and best practices in measuring absorption at both the macro- and micro-scale. We also give examples of using absorption to reveal critical optoelectronic information in energy devices. This work aims at standardizing the recording of absorption measurements across a number of fields, allowing for improved microscale understanding of a wide range of samples.
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来源期刊
APL Photonics
APL Photonics Physics and Astronomy-Atomic and Molecular Physics, and Optics
CiteScore
10.30
自引率
3.60%
发文量
107
审稿时长
19 weeks
期刊介绍: APL Photonics is the new dedicated home for open access multidisciplinary research from and for the photonics community. The journal publishes fundamental and applied results that significantly advance the knowledge in photonics across physics, chemistry, biology and materials science.
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