Highly Flexible and Efficient All‐Polymer Solar Cells with High‐Viscosity Processing Polymer Additive toward Potential of Stretchable Devices
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- Highly Flexible and Efficient All‐Polymer Solar Cells with High‐Viscosity Processing Polymer Additive toward Potential of Stretchable Devices
- Chen, Shanshan; Jung, Sungwoo; Cho, Hye Jin; Kim, Na-Hyang; Jung, Seungon; Xu, Jianqiu; Oh, Jiyeon; Cho, Yongjoon; Kim, Hyeongwon; Lee, Byongkyu; An, Yujin; Zhang, Chunfeng; Xiao, Min; Ki, Hyungson; Zhang, Zhi-Guo; Kim, Ju-Young; Li, Yongfang; Park, Hyesung; Yang, Changduk
- all-polymer solar cells; flexibility; mechanical robustness; PDPS; polymer additive
- Issue Date
- WILEY-V C H VERLAG GMBH
- ANGEWANDTE CHEMIE-INTERNATIONAL EDITION, v.57, no.40, pp.13277 - 13282
- Considering the potential applications of all‐polymer solar cells (all‐PSCs) as wearable power generators, there is an urgent need to develop photoactive layers that possess intrinsic mechanical endurance, while maintaining a high power‐conversion efficiency (PCE).Herein a strategy is demonstrated to simultaneously control the intercalation behavior and nanocrystallite size in the polymer–polymer blend by using a newly developed, high‐viscosity polymeric additive, poly(dimethylsiloxane‐co‐methyl phenethylsiloxane) (PDPS), into the TQ‐F:N2200 all‐PSC matrix. A mechanically robust 10wt% PDPS blend film with a great toughness was obtained. Our results provide a feasible route for producing high‐performance ductile all‐PSCs, which can potentially be used to realize stretchable all‐PSCs as a linchpin of next‐generation electronics.
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