Flexible, highly efficient all-polymer solar cells
SCIE
SCOPUS
- Title
- Flexible, highly efficient all-polymer solar cells
- Authors
- Kim, T; Kim, JH; Kang, TE; Lee, C; Kang, H; Shin, M; Wang, C; Ma, BW; Jeong, U; Kim, TS; Kim, BJ
- Date Issued
- 2015-10
- Publisher
- Nature Publishing Group
- Abstract
- All-polymer solar cells have shown great potential as flexible and portable power generators. These devices should offer good mechanical endurance with high power-conversion efficiency for viability in commercial applications. In this work, we develop highly efficient and mechanically robust all-polymer solar cells that are based on the PBDTTTPD polymer donor and the P(NDI2HD-T) polymer acceptor. These systems exhibit high power-conversion efficiency of 6.64%. Also, the proposed all-polymer solar cells have even better performance than the control polymer-fullerene devices with phenyl-C-61-butyric acid methyl ester (PCBM) as the electron acceptor (6.12%). More importantly, our all-polymer solar cells exhibit dramatically enhanced strength and flexibility compared with polymer/PCBM devices, with 60- and 470-fold improvements in elongation at break and toughness, respectively. The superior mechanical properties of all-polymer solar cells afford greater tolerance to severe deformations than conventional polymer-fullerene solar cells, making them much better candidates for applications in flexible and portable devices.
- URI
- https://oasis.postech.ac.kr/handle/2014.oak/36300
- DOI
- 10.1038/NCOMMS9547
- ISSN
- 2041-1723
- Article Type
- Article
- Citation
- Nature Communications, vol. 6, 2015-10
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