Measuring the External Quantum Efficiency of Tandem Photovoltaic Modules Using an LED-Based Solar Simulator

IF 6 3区 工程技术 Q2 ENERGY & FUELS
Solar RRL Pub Date : 2024-12-05 DOI:10.1002/solr.202400517
David Chojniak, Alexandra Schmid, Jochen Hohl-Ebinger, Sebastian Kasimir Reichmuth, Gerald Siefer, Daniel Kirk, Chris Case, Stefan W. Glunz
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Abstract

An external quantum efficiency (EQE) measurement procedure for full-size tandem modules using a light-emitting diode (LED)-based solar simulator is introduced. This elegant procedure uses the LED light source for both, setting a close to one-sun bias spectrum and performing the actual EQE measurement by modulating individual LED channels. Measurement comparisons using filtered silicon solar cells and a perovskite on silicon (PSC/Si) single-cell module demonstrate good agreement between the EQEs obtained with the presented procedure and reference EQEs, determined at Fraunhofer ISE CalLab PV Cells and the National Metrology Institute of Germany. Applying the procedure to a full-size PSC/Si tandem module results in a close match of the full module EQE and the EQE of an optically similar single-cell module measured at CalLab PV Cells. Performing a spectral adjustment of the LED solar simulator based on the full-module and single-cell module EQE, only minor spectral variations, reflected in minimal deviations of the resulting spectral mismatch factors of less than 0.4%, are determined. The presented results confirm the applicability of the procedure as an efficient and accurate approach for EQE measurements and underline its overall relevance for the calibration of full-size tandem modules.

Abstract Image

利用led太阳模拟器测量串联光伏组件的外量子效率
介绍了一种基于发光二极管太阳模拟器的全尺寸串联模块外量子效率(EQE)测量方法。这个优雅的程序使用LED光源,设置接近一个太阳偏置光谱,并通过调制单个LED通道执行实际的EQE测量。使用过滤硅太阳能电池和硅上钙钛矿(PSC/Si)单电池模块的测量比较表明,采用本方法获得的EQEs与由弗劳恩霍夫ISE CalLab光伏电池和德国国家计量研究所确定的参考EQEs之间存在良好的一致性。将该程序应用于全尺寸PSC/Si串联模块,结果显示全模块EQE与CalLab PV Cells测量的光学相似的单电池模块EQE非常匹配。基于全模块和单电池模块EQE对LED太阳模拟器进行光谱调整,确定的光谱变化较小,反映在光谱失配因子偏差小于0.4%。所提出的结果证实了该程序作为EQE测量的有效和准确方法的适用性,并强调了其与全尺寸串联模块校准的总体相关性。
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来源期刊
Solar RRL
Solar RRL Physics and Astronomy-Atomic and Molecular Physics, and Optics
CiteScore
12.10
自引率
6.30%
发文量
460
期刊介绍: Solar RRL, formerly known as Rapid Research Letters, has evolved to embrace a broader and more encompassing format. We publish Research Articles and Reviews covering all facets of solar energy conversion. This includes, but is not limited to, photovoltaics and solar cells (both established and emerging systems), as well as the development, characterization, and optimization of materials and devices. Additionally, we cover topics such as photovoltaic modules and systems, their installation and deployment, photocatalysis, solar fuels, photothermal and photoelectrochemical solar energy conversion, energy distribution, grid issues, and other relevant aspects. Join us in exploring the latest advancements in solar energy conversion research.
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