Encapsulation of Perovskite Solar Cells for High Humidity Conditions

被引：199
作者：
Dong, Qi [1 ]
Liu, Fangzhou [1 ]
Wong, Man Kwong [1 ]
Tam, Ho Won [1 ]
Djurisic, Aleksandra B. [1 ]
Ng, Annie [2 ]
Surya, Charles [2 ]
Chan, Wai Kin [3 ]
Ng, Alan Man Ching [4 ]
机构：
[1] Univ Hong Kong, Dept Phys, Pokfulam Rd, Hong Kong, Hong Kong, Peoples R China
[2] Hong Kong Polytech Univ, Dept Elect & Informat Engn, Kowloon, Hong Kong, Peoples R China
[3] Univ Hong Kong, Dept Chem, Pokfulam Rd, Hong Kong, Hong Kong, Peoples R China
[4] South Univ Sci & Technol China, Dept Phys, Tangchang Rd, Shenzhen 518055, Guangdong, Peoples R China
来源：
CHEMSUSCHEM | 2016年 / 9卷 / 18期
关键词：
degradation; encapsulation; organometallic halide perovskite; solar cells; stability; ELECTRON-TRANSPORTING LAYER; CH3NH3PBI3; PEROVSKITE; HIGH-PERFORMANCE; ENVIRONMENTAL STABILITY; ENHANCED EFFICIENCY; INTERFACIAL LAYER; DEGRADATION; OXIDE; STATE; TEMPERATURES;
D O I：
10.1002/cssc.201600868
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
We examined different encapsulation strategies for perovskite solar cells by testing the device stability under continuous illumination, elevated temperature (85 degrees C) and ambient humidity of 65%. The effects of the use of different epoxies, protective layers and the presence of desiccant were investigated. The best stability (retention of approximate to 80% of initial efficiency on average after 48h) was obtained for devices protected by a SiO2 film and encapsulated with a UV-curable epoxy including a desiccant sheet. However, the stability of ZnO-based cells encapsulated by the same method was found to be inferior to that of TiO2-based cells. Finally, outdoor performance tests were performed for TiO2-based cells (30-90% ambient humidity). All the stability tests were performed following the established international summit on organic photovoltaic stability (ISOS) protocols for organic solar cell testing (ISOS-L2 and ISOS-O1).
引用
收藏
页码：2597 / 2603
页数：7
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