Perovskite solar cells (PSCs) operating under real-world conditions face a variety of external stimuli, including moisture, UV irradiation, and hail. Therefore, encapsulants need to be versatile to enhance PSC stability through a simple and cost-effective encapsulation process.
Zheng Yifan & Shao Yuchuan of Shanghai Institute of Optics and Fine Mechanics, Chinese Academy of Sciences & Yu Junsheng of University of Electronic Science and Technology of China proposed a simple and economical shellac (shellac varnish) encapsulation strategy to protect PSCs in various accelerated degradation experiments.
Shellac-encapsulated (SE) PSC modules pass outdoor stability, UV pre-treatment and hail tests in accordance with the International Electrotechnical Commission 61215 standard (IEC61215). More importantly, SE PSC modules exhibit excellent lead sequestration capabilities after mechanical impact damage, which is crucial to mitigate toxicity issues of PSCs in a wide range of applications.
Guodong Zhang, Yifan Zheng, Haonan Wang, Guoyu Din, Fan Yang, Yongchun Xu, Junsheng Yu, Yuchuan Shao, Shellac protects perovskite solar cell modules under real-world conditions
https://doi.org/10.1016/j.joule.2023.12.008
https://www.sciencedirect.com/science/article/abs/pii/S2542435123005007
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