journal article·2020-09-09

Efficient Ternary Organic Solar Cells with a New Electron Acceptor Based on 3,4-(2,2-Dihexylpropylenedioxy)thiophene

Cai’e Zhang, Pengcheng Jiang, Xiaobo Zhou, Shiyu Feng, Zhaozhao Bi, Xinjun Xu, Cuihong Li, Zheng Tang, Wei Ma, Zhishan Bo

ACS Applied Materials & Interfaces· Volume 12· Issue 36
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Abstract

In this work, a ternary blend strategy based on PBDB-T and two small molecular acceptors (IDTT-OB and IDT-PDOT-C6) is demonstrated to simultaneously improve the photocurrent and reduce the voltage loss in organic solar cells (OSCs). The improved photocurrent is partially due to a broad absorption spectrum of the active layer. In addition, we find that the ternary system possesses a higher degree of crystallinity, smaller domain size, higher domain purity, and higher and more balanced charge-carrier mobilities in comparison with the two corresponding binary systems. The reduced voltage loss in the ternary device is mainly due to a lower energy loss (Eloss) of charge carriers. We achieve a Eloss of only 0.50 eV, which is one of the lowest values reported for the ternary nonfullerene OSCs. Our results have demonstrated that all photovoltaic parameters of ternary OSCs can be simultaneously improved by elaborately selecting the three active layer components.
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Research context

OpenAlex topics: Organic Electronics and Photovoltaics · Conducting polymers and applications · Perovskite Materials and Applications

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Beijing Key Laboratory of Energy Conversion and Storage Materials, College of Chemistry, Beijing Normal University, Beijing 100875, China

State Key Laboratory for Mechanical Behavior of Materials, Xi’an Jiaotong University, Xi’an 710049, China

Center for Advanced Low-dimension Materials, State Key Laboratory for Modification of Chemical Fibers and Polymer Materials, College of Materials Science and Engineering, Donghua University, 201620 Shanghai, China

Funding

State Administration of Foreign Experts Affairs · Ministry of Education of the People's Republic of China · Ministry of Science and Technology of the People's Republic of China · Natural Science Foundation of Beijing Municipality · National Natural Science Foundation of China

References (46)

Show source-provided references
1. Huang F. · Acta Polym. Sin. · 2019 · 50 · 988
2. 10.1021/acsami.5b0876910.1021/acsami.5b08769 ↗
3. 10.1007/s11426-018-9239-110.1007/s11426-018-9239-1 ↗
4. 10.1016/j.joule.2019.01.00410.1016/j.joule.2019.01.004 ↗
5. 10.1007/s11426-018-9363-810.1007/s11426-018-9363-8 ↗
6. 10.1002/adma.20190344110.1002/adma.201903441 ↗
7. 10.1002/adma.20190230210.1002/adma.201902302 ↗
8. 10.1039/C9EE01890E10.1039/C9EE01890E ↗
9. 10.1039/C9TA06929A10.1039/C9TA06929A ↗
10. 10.1002/aenm.20190172810.1002/aenm.201901728 ↗
11. 10.1126/science.aat261210.1126/science.aat2612 ↗
12. 10.1021/acsenergylett.8b0144810.1021/acsenergylett.8b01448 ↗
13. 10.1002/adma.20180472310.1002/adma.201804723 ↗
14. 10.1002/adma.20160358810.1002/adma.201603588 ↗
15. 10.1039/C8TA00944A10.1039/C8TA00944A ↗
16. 10.1021/acsenergylett.9b0163010.1021/acsenergylett.9b01630 ↗
17. 10.1016/j.nanoen.2019.10411910.1016/j.nanoen.2019.104119 ↗
18. 10.1002/aenm.20180283610.1002/aenm.201802836 ↗
19. 10.1039/C8EE00215K10.1039/C8EE00215K ↗
20. 10.1039/c9ta12029g10.1039/c9ta12029g ↗
21. 10.1016/j.scib.2019.03.02410.1016/j.scib.2019.03.024 ↗
22. 10.1016/j.joule.2019.09.01010.1016/j.joule.2019.09.010 ↗
23. 10.1039/C8TA08410F10.1039/C8TA08410F ↗
24. 10.1021/acs.accounts.5b0019910.1021/acs.accounts.5b00199 ↗
25. 10.1021/acs.chemmater.8b0131910.1021/acs.chemmater.8b01319 ↗
26. 10.1021/acs.accounts.5b0036310.1021/acs.accounts.5b00363 ↗
27. 10.1002/adma.20140431710.1002/adma.201404317 ↗
28. 10.1002/adfm.20190326910.1002/adfm.201903269 ↗
29. 10.1038/s41467-019-11001-610.1038/s41467-019-11001-6 ↗
30. 10.1021/acsami.8b1959610.1021/acsami.8b19596 ↗
31. 10.1039/C9TA03177D10.1039/C9TA03177D ↗
32. 10.1038/s41560-018-0234-910.1038/s41560-018-0234-9 ↗
33. 10.1002/Adma.20190428310.1002/Adma.201904283 ↗
34. 10.1002/adma.20170397310.1002/adma.201703973 ↗
35. 10.1002/solr.20190025310.1002/solr.201900253 ↗
36. 10.1021/jacs.7b0267710.1021/jacs.7b02677 ↗
37. 10.1039/C7CP04780K10.1039/C7CP04780K ↗
38. 10.1002/adma.20100430110.1002/adma.201004301 ↗
39. 10.1103/PhysRevB.81.12520410.1103/PhysRevB.81.125204 ↗
40. 10.1039/C7TA02141K10.1039/C7TA02141K ↗
41. 10.1021/acsenergylett.8b0092810.1021/acsenergylett.8b00928 ↗
42. 10.1088/1742-6596/247/1/01200710.1088/1742-6596/247/1/012007 ↗
43. 10.1063/1.370183110.1063/1.3701831 ↗
44. Wu Y. · Prog. Chem. · 2017 · 29 · 93
45. 10.1002/aenm.20120037710.1002/aenm.201200377 ↗
46. 10.1021/ol902973r10.1021/ol902973r ↗