journal article·2020-08-14

Adding a Third Component with Reduced Miscibility and Higher LUMO Level Enables Efficient Ternary Organic Solar Cells

Ruijie Ma, Tao Liu, Zhenghui Luo, Ke Gao, Kai Chen, Guangye Zhang, Wei Gao, Yiqun Xiao, Tsz-Ki Lau, Qunping Fan, Yuzhong Chen, Lik-Kuen Ma, Huiliang Sun, Guilong Cai, Tao Yang, Xinhui Lu, Ergang Wang, Chuluo Yang, Alex K.-Y. Jen, He Yan

ACS Energy Letters· Volume 5· Issue 8
Publisher page

Abstract

It is widely known that the miscibility between donor and acceptor is a crucial factor that affects the morphology and thus device performance of nonfullerene organic solar cells (OSCs). In this Letter, we show that incorporating a third component with lower miscibility and higher lowest unoccupied molecular orbital (LUMO) level into the state-of-the-art PM6:Y6 system can significantly enhance the performance of devices. The best results of the ternary devices are achieved by adding a small molecular acceptor named ITCPTC (∼5% w/w), which significantly improves the power conversion efficiency (PCE) of the host system from 16.44% to 17.42%. The higher LUMO of the third component increases the open-circuit voltage (VOC), while the low miscibility enlarges the domains and leads to improved short-circuit current density (JSC) and fill factor (FF). The efficacy of this strategy is supported by using other nonfullerene third components including an asymmetric small molecule (N7IT) and a polymer acceptor (PF2-DTC), which play the same role as ITCPTC and boost the PCEs to 16.96% and 17.04%, respectively. Our approach can be potentially applied to a wide range of OSC material systems and should facilitate the development of the OSC field.
Source: openalex_inverted_index · Quality: baseline

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

Department of Chemistry and Hong Kong Branch of Chinese National Engineering Research Center for Tissue Restoration & Reconstruction, Hong Kong University of Science and Technology (HKUST), Clear Water Bay, Kowloon, Hong Kong, China

Hong Kong University of Science and Technology-Shenzhen Research Institute, No. 9 Yuexing first RD, Hi-tech Park, Nanshan Shenzhen 518057, P.R. China

Department of Chemistry Hubei Key Lab on Organic and Polymeric Optoelectronic Materials, Wuhan University, Wuhan 430072, P.R. China

Department of Materials Science and Engineering University of Washington Seattle, Washington 98195-2120, United States

Department of Chemistry, City University of Hong Kong, Kowloon, Hong Kong

College of Pharmacy, Xi’an Jiaotong University, No. 76 Yanta West Road, Xi’an, Shaanxi Province 710061, People’s Republic of China

eFlexPV Limited, Flat/RM B, 12/F, Hang Seng Causeway Bay BLDG, 28 Yee Wo Street, Causeway Bay, Hong Kong, China

Department of Physics, Chinese University of Hong Kong, New Territories Hong Kong, China

Department of Chemistry and Chemical Engineering, Chalmers University of Technology, Göteborg SE-412 96, Sweden

Centre for Mechanical Technology and Automation, Department of Mechanical Engineering, University of Aveiro, 3810-193 Aveiro, Portugal

Funding

Svenska Forskningsr?det Formas · Vetenskapsr?det · Research Grants Council, University Grants Committee · Knut och Alice Wallenbergs Stiftelse · Shenzhen Science and Technology Innovation Commission · Office of Naval Research · Innovation and Technology Commission · National Natural Science Foundation of China · Asian Office of Aerospace Research and Development

References (65)

Show source-provided references
1. 10.1002/adma.20130437310.1002/adma.201304373 ↗
2. 10.1038/nphoton.2015.12810.1038/nphoton.2015.128 ↗
3. 10.1039/C5EE02641E10.1039/C5EE02641E ↗
4. 10.1002/adma.20160257010.1002/adma.201602570 ↗
5. 10.1002/adma.20160206710.1002/adma.201602067 ↗
6. 10.1039/C6EE02851A10.1039/C6EE02851A ↗
7. 10.1002/adma.20160277610.1002/adma.201602776 ↗
8. 10.1002/aenm.20170039010.1002/aenm.201700390 ↗
9. 10.1016/j.nanoen.2014.09.00710.1016/j.nanoen.2014.09.007 ↗
10. 10.1002/aenm.20150210910.1002/aenm.201502109 ↗
11. 10.1039/C8QM00486B10.1039/C8QM00486B ↗
12. 10.1016/j.nanoen.2019.06.00310.1016/j.nanoen.2019.06.003 ↗
13. 10.1039/C9EE01030K10.1039/C9EE01030K ↗
14. 10.1016/j.nanoen.2019.01.08210.1016/j.nanoen.2019.01.082 ↗
15. 10.1039/C8TA00944A10.1039/C8TA00944A ↗
16. 10.1002/aenm.20160212710.1002/aenm.201602127 ↗
17. 10.1016/j.scib.2019.10.00210.1016/j.scib.2019.10.002 ↗
18. 10.1038/nenergy.2016.11810.1038/nenergy.2016.118 ↗
19. 10.1002/aenm.20140168710.1002/aenm.201401687 ↗
20. 10.1002/adma.20170427110.1002/adma.201704271 ↗
21. 10.1002/adma.20170300510.1002/adma.201703005 ↗
22. 10.1002/smll.20170038810.1002/smll.201700388 ↗
23. 10.1039/C9TA03188J10.1039/C9TA03188J ↗
24. 10.1038/nmat150010.1038/nmat1500 ↗
25. 10.1021/acs.chemrev.7b0053510.1021/acs.chemrev.7b00535 ↗
26. 10.1021/acs.accounts.0c0015710.1021/acs.accounts.0c00157 ↗
27. 10.1038/nmat506310.1038/nmat5063 ↗
28. 10.1021/ar200244610.1021/ar2002446 ↗
29. 10.1021/ja511060210.1021/ja5110602 ↗
30. 10.1039/D0TA01032D10.1039/D0TA01032D ↗
31. 10.1038/ncomms1374010.1038/ncomms13740 ↗
32. 10.1016/j.nanoen.2019.10414610.1016/j.nanoen.2019.104146 ↗
33. 10.1021/jacs.6b0436810.1021/jacs.6b04368 ↗
34. 10.1002/anie.20191253610.1002/anie.201912536 ↗
35. 10.1002/aenm.20190424710.1002/aenm.201904247 ↗
36. 10.1016/j.nanoen.2020.10498810.1016/j.nanoen.2020.104988 ↗
37. 10.1002/adma.20200064510.1002/adma.202000645 ↗
38. 10.1039/C7MH00958E10.1039/C7MH00958E ↗
39. 10.1039/C8EE01564C10.1039/C8EE01564C ↗
40. 10.1002/adma.20170025410.1002/adma.201700254 ↗
41. 10.1016/j.mattod.2019.10.02310.1016/j.mattod.2019.10.023 ↗
42. 10.1016/j.joule.2019.01.00410.1016/j.joule.2019.01.004 ↗
43. 10.1002/aenm.20190423410.1002/aenm.201904234 ↗
44. 10.1002/adfm.20200045610.1002/adfm.202000456 ↗
45. 10.1039/C9EE01890E10.1039/C9EE01890E ↗
46. 10.1002/adma.20190676310.1002/adma.201906763 ↗
47. 10.1007/s11426-020-9747-910.1007/s11426-020-9747-9 ↗
48. 10.1016/j.joule.2020.03.02310.1016/j.joule.2020.03.023 ↗
49. 10.1039/D0EE00862A10.1039/D0EE00862A ↗
50. 10.1039/D0EE00662A10.1039/D0EE00662A ↗
51. 10.1002/adma.20190760410.1002/adma.201907604 ↗
52. 10.1038/s41467-020-16509-w10.1038/s41467-020-16509-w ↗
53. 10.1007/s11426-019-9670-210.1007/s11426-019-9670-2 ↗
54. 10.1002/adma.20200116010.1002/adma.202001160 ↗
55. 10.1002/adma.20190820510.1002/adma.201908205 ↗
56. 10.1002/adma.20190221010.1002/adma.201902210 ↗
57. 10.1039/C9EE03710A10.1039/C9EE03710A ↗
58. 10.1002/eom2.1200610.1002/eom2.12006 ↗
59. 10.1002/solr.20170004410.1002/solr.201700044 ↗
60. 10.1002/advs.20190265710.1002/advs.201902657 ↗
61. 10.1016/j.joule.2020.01.01410.1016/j.joule.2020.01.014 ↗
62. 10.1007/s11426-019-9669-310.1007/s11426-019-9669-3 ↗
63. 10.1016/j.mtnano.2019.10003010.1016/j.mtnano.2019.100030 ↗
64. 10.1002/adma.20180288810.1002/adma.201802888 ↗
65. 10.1002/nano.20200001210.1002/nano.202000012 ↗