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Enhanced Stability of MAPbI3 Perovskite Solar Cells using Poly(p-chloro-xylylene) Encapsulationopen access
- Authors
- Kim, Hyojung; Lee, Jiyong; Kim, Bora; Byun, Hye Ryung; Kim, Sung Hyuk; Oh, Hye Min; Baik, Seunghyun; Jeong, Mun Seok
- Issue Date
- Oct-2019
- Publisher
- Nature Publishing Group
- Citation
- Scientific Reports, v.9, pp.1 - 6
- Indexed
- SCIE
SCOPUS
- Journal Title
- Scientific Reports
- Volume
- 9
- Start Page
- 1
- End Page
- 6
- ISSN
- 2045-2322
- Abstract
- We demonstrated an effective poly(p-chloro-xylylene) (Parylene-C) encapsulation method for MAPbI3 solar cells. By structural and optical analysis, we confirmed that Parylene-C efficiently slowed the decomposition reaction in MAPbI3. From a water permeability test with different encapsulating materials, we found that Parylene-C-coated MAPbI3 perovskite was successfully passivated from reaction with water, owing to the hydrophobic behavior of Parylene-C. As a result, the Parylene-C-coated MAPbI3 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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Related Researcher
- Jeong, Mun Seok
- COLLEGE OF NATURAL SCIENCES (DEPARTMENT OF PHYSICS)