Over 14% efficiency all-polymer solar cells enabled by a low bandgap polymer acceptor with low energy loss and efficient charge separation

Author:

Fan Qunping1234ORCID,An Qiaoshi5678,Lin Yuanbao9101112,Xia Yuxin1314151617ORCID,Li Qian1819202122,Zhang Ming2324258,Su Wenyan123426,Peng Wenhong123427,Zhang Chunfeng1819202122,Liu Feng2324258ORCID,Hou Lintao2628291430ORCID,Zhu Weiguo2731323334ORCID,Yu Donghong3536373839ORCID,Xiao Min1819202122,Moons Ellen4041424ORCID,Zhang Fujun4344458ORCID,Anthopoulos Thomas D.9101112ORCID,Inganäs Olle1314151617,Wang Ergang123427ORCID

Affiliation:

1. Department of Chemistry and Chemical Engineering

2. Chalmers University of Technology

3. Göteborg

4. Sweden

5. School of Chemistry and Chemical Engineering

6. Beijing Institute of Technology

7. Beijing 100081

8. China

9. King Abdullah University of Science and Technology (KAUST)

10. KAUST Solar Center (KSC)

11. Thuwal 23955

12. Saudi Arabia

13. Biomolecular and Organic Electronics

14. Department of Physics

15. Chemistry and Biology (IFM)

16. Linköping University

17. Linköping

18. National Laboratory of Solid State Microstructures

19. School of Physics

20. Collaborative Innovation Center of Advanced Microstructures

21. Nanjing University

22. Nanjing 210093

23. Department of Physics and Astronomy

24. Shanghai Jiaotong University

25. Shanghai 200240

26. Guangdong Provincial Key Laboratory of Optical Fiber Sensing and Communications

27. School of Materials Science and Engineering

28. Guangzhou Key Laboratory of Vacuum Coating Technologies and New Energy Materials

29. Siyuan Laboratory

30. Jinan University

31. Jiangsu Key Laboratory of Environmentally Friendly Polymeric Materials

32. Jiangsu Engineering Laboratory of Light-Electricity-Heat Energy-Converting Materials and Applications

33. Changzhou University

34. Changzhou 213164

35. Department of Chemistry and Bioscience

36. Aalborg University

37. Aalborg

38. Denmark

39. Sino-Danish Center for Education and Research

40. Department of Engineering and Physics

41. Karlstad University

42. 65188 Karlstad

43. School of Science

44. Beijing Jiaotong University

45. Beijing 100044

Abstract

A low bandgap polymer acceptor PF5-Y5 was synthesized and its all-PSCs achieved an impressive device efficiency of 14.45% with both high Voc and Jsc due to the excellent absorption coverage, small energy loss, and efficient charge separation.

Funder

Innovationsfonden

China Postdoctoral Science Foundation

Knut och Alice Wallenbergs Stiftelse

Svenska Forskningsrådet Formas

National Natural Science Foundation of China

Publisher

Royal Society of Chemistry (RSC)

Subject

Pollution,Nuclear Energy and Engineering,Renewable Energy, Sustainability and the Environment,Environmental Chemistry

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