期刊
SCIENTIFIC REPORTS
卷 9, 期 -, 页码 -出版社
NATURE PORTFOLIO
DOI: 10.1038/s41598-019-51945-9
关键词
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资金
- National Research Foundation of Korea (NRF) - Korea government (MSIP) [NRF-2019R1A2B5B02070657, NRF-2019R1A2C1086262]
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Education [NRF-2016R1A6A3A11936024]
- [IBS-R011-D1]
We demonstrated an effective poly(p-chloro-xylylene) (Parylene-C) encapsulation method for MAPbI(3) solar cells. By structural and optical analysis, we confirmed that Parylene-C efficiently slowed the decomposition reaction in MAPbI(3). From a water permeability test with different encapsulating materials, we found that Parylene-C-coated MAPbI(3) perovskite was successfully passivated from reaction with water, owing to the hydrophobic behavior of Parylene-C. As a result, the Parylene-C-coated MAPbI(3) solar cells showed better device stability than uncoated cells, virtually maintaining the initial power conversion efficiency value (15.5 +/- 0.3%) for 196 h.
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