Aesthetic and efficient perovskite/Si tandem solar cells using luminescent down-shifting textured anti-reflection films

IF 10.7 Q1 CHEMISTRY, PHYSICAL

EcoMat Pub Date : 2023-08-02 DOI:10.1002/eom2.12399

Eui Dae Jung, Chan Ul Kim, Young Wook Noh, Seong Kuk Seo, Young Im Noh, Kyoung Jin Choi, Myoung Hoon Song

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引用次数: 2

Abstract

Perovskite-based tandem cells are emerging as new photovoltaic (PV) cells with a high efficiency that exceeds the efficiency limit of single-junction cells. Building-integrated PVs that require high efficiency are attractive, but aesthetics play key roles in these urban applications. One of the most challenging problems with respect to aesthetic PV cells is the efficiency loss due to color tuning. Here, we demonstrate for the first time lossless full-color tunable PV cells based on the use of textured luminescent down-shifting (LDS) films with LDS dyes with ultraviolet-selective absorption. The LDS anti-reflection (AR) films improve the perovskite/Si tandem cell efficiency by reducing the loss of parasitic UV absorption of the layers above the perovskite film due to LDS effect and the loss due to cell reflection due to the textured surface. Therefore, color tuning with LDS AR films can be used to produce highly aesthetic and efficient PV cells for urban applications.

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使用发光下移纹理防反射膜的美观高效的钙钛矿/Si串联太阳能电池

钙钛矿基串联电池是新兴的新型光伏电池，其高效率超过了单结电池的效率极限。需要高效率的建筑集成光伏很有吸引力，但美学在这些城市应用中起着关键作用。美学PV电池最具挑战性的问题之一是由于颜色调整导致的效率损失。在这里，我们首次展示了无损全彩可调光伏电池，该电池基于使用具有紫外选择性吸收的发光下移(LDS)染料的纹理发光下移(LDS)薄膜。LDS抗反射(AR)膜通过减少由于LDS效应而导致的钙钛矿/硅串联电池的寄生紫外吸收损失和由于纹理表面导致的电池反射损失，提高了钙钛矿/硅串联电池的效率。因此，使用LDS AR薄膜进行颜色调整可用于生产高度美观和高效的光伏电池，用于城市应用

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来源期刊

EcoMat

CiteScore

17.30

自引率

0.00%

发文量

审稿时长

4 weeks