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Constructing a Spectral Down Converter to Enhance Cu(In,Ga)Se2 Solar Cell Performance Using Yttrium Aluminum Garnet:Ce3+ Ceramics
Solar RRL ( IF 6.0 ) Pub Date : 2020-03-03 , DOI: 10.1002/solr.201900518 Zhiyu Xiong 1 , Junbo Gong 2 , Yuan Xiong 3 , Yuchi Lan 2 , Min Yin 4 , Zejun Ding 4 , Zengming Zhang 4 , Xudong Xiao 1
Solar RRL ( IF 6.0 ) Pub Date : 2020-03-03 , DOI: 10.1002/solr.201900518 Zhiyu Xiong 1 , Junbo Gong 2 , Yuan Xiong 3 , Yuchi Lan 2 , Min Yin 4 , Zejun Ding 4 , Zengming Zhang 4 , Xudong Xiao 1
Affiliation
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Spectral conversion has been widely applied in the field of luminescence and is potentially beneficial for photovoltaic solar cells. However, more was said than done for the down‐conversion effect in the past, and quite a number of existing reports overclaimed the observed performance enhancement from down conversion either by wrongly identifying the contributions or by unfairly comparing with an inappropriate reference. Herein, Ce‐doped Y3Al5O12 ceramics with suitable absorption and photoluminescence properties are chosen as the down‐conversion material for Cu(In,Ga)Se2 (CIGS) solar cells. By properly designing optical structures to integrate the down‐conversion material with the CIGS solar cell, the fluorescent photons are efficiently guided to the CIGS absorber layer in addition to eliminating the scattering and maintaining the antireflection (AR) for incident light. The Y3Al5O12:Ce3+ ceramic down converter on CIGS solar cells can bring an enhancement of 0.53 mA cm−2 to the short‐circuit current density solely from down conversion, which is responsible for the major increase in conversion efficiency from 18.5% to 19.0%. A positive down‐conversion effect is demonstrated over AR layer‐coated CIGS solar cells without misclaiming contributions from other accompanied effects or jeopardizing any other accompanying effects.
中文翻译：
使用钇铝石榴石：Ce3 +陶瓷构建光谱下变频器以增强Cu（In，Ga）Se2太阳能电池的性能
光谱转换已广泛应用于发光领域，并且可能对光伏太阳能电池有利。但是，过去对于降频转换的影响要说的比做的多，而且很多现有的报告都夸大了由于误转换或错误地与不适当的参考进行比较而导致的性能下降。在此，选择具有合适吸收和光致发光特性的Ce掺杂Y 3 Al 5 O 12陶瓷作为Cu（In，Ga）Se 2的下转换材料（CIGS）太阳能电池。通过适当设计光学结构以将下转换材料与CIGS太阳能电池集成在一起，荧光光子可以有效地引导至CIGS吸收层，从而消除散射并保持入射光的抗反射（AR）。CIGS太阳能电池上的Y 3 Al 5 O 12：Ce 3+陶瓷下变频器可以带来0.53 mA cm -2的增强仅仅由于降频转换引起的短路电流密度增加，导致转换效率从18.5％大幅提高到19.0％。事实证明，在镀有AR层的CIGS太阳能电池上具有积极的向下转换作用，而不会误称其他伴随效应的贡献或损害任何其他伴随效应。
更新日期：2020-03-03
中文翻译：
使用钇铝石榴石：Ce3 +陶瓷构建光谱下变频器以增强Cu（In，Ga）Se2太阳能电池的性能
光谱转换已广泛应用于发光领域，并且可能对光伏太阳能电池有利。但是，过去对于降频转换的影响要说的比做的多，而且很多现有的报告都夸大了由于误转换或错误地与不适当的参考进行比较而导致的性能下降。在此，选择具有合适吸收和光致发光特性的Ce掺杂Y 3 Al 5 O 12陶瓷作为Cu（In，Ga）Se 2的下转换材料（CIGS）太阳能电池。通过适当设计光学结构以将下转换材料与CIGS太阳能电池集成在一起，荧光光子可以有效地引导至CIGS吸收层，从而消除散射并保持入射光的抗反射（AR）。CIGS太阳能电池上的Y 3 Al 5 O 12：Ce 3+陶瓷下变频器可以带来0.53 mA cm -2的增强仅仅由于降频转换引起的短路电流密度增加，导致转换效率从18.5％大幅提高到19.0％。事实证明，在镀有AR层的CIGS太阳能电池上具有积极的向下转换作用，而不会误称其他伴随效应的贡献或损害任何其他伴随效应。
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