期刊
NANO ENERGY
卷 30, 期 -, 页码 162-172出版社
ELSEVIER
DOI: 10.1016/j.nanoen.2016.09.041
关键词
Perovskite solar cell; Encapsulation; Sealing process; Stability; Large area
类别
资金
- EU [77 312483 ESTEEM2]
- European Union [653296]
- ERC [259619 76 PHOTO EM]
Perovskite Solar Cells (PSCs) have achieved power conversion efficiencies (PCEs) comparable to established technologies, but their stability in real-life working conditions including exposure to moisture, heat and light has still not been decisively demonstrated. Encapsulation of the cells is vital for increasing device lifetime, as well as shedding light on the intrinsic degradation process of the active layers. Here we compare different sealing protocols applied to large area cells (1 cm(2), average PCE 13.6%) to separate the extrinsic degradation, due to the external environment, from the intrinsic one, due to the materials themselves. Sealing methods were tested against accelerated life-time tests - damp-heating, prolonged heating and light-soaking. We thus developed and tested a novel sealing procedure that makes PSCs able to maintain a stabilized 10% PCE after heat, light and moisture stress.
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