DataVXACS Materials LettersPaper
journal article·2021-09-06

Miscibility Control by Tuning Electrostatic Interactions in Bulk Heterojunction for Efficient Organic Solar Cells

Lijiao Ma, Shaoqing Zhang, Jingwen Wang, Junzhen Ren, Mengyuan Gao, Jianqi Zhang, Tao Zhang, Huifeng Yao, Long Ye, Jianhui Hou

ACS Materials Letters· Volume 3· Issue 9
Publisher page
Source abstract

Abstract

The morphology of the bulk heterojunction plays a vital role in determining the efficiencies of the organic photovoltaic (OPV) cells. Although the device efficiencies have been greatly improved, the practice guidelines in morphology control are still lacking. In this work, impressive performance of 17.7% was achieved by modulating the electrostatic interaction and, thus, the miscibility between the newly designed polymer donors (P5T, P5T-2F) and a nonfullerene acceptor (NFA) named eC9. Three model compounds (8T, 8T-2F, and TT-2Cl) are prepared to deeply study the miscibility of the donors and acceptors in the active layers. Our findings demonstrate that the decreased molecular interaction and miscibility in P5T-2F:eC9 combinations is more favorable for obtaining suitable phase separation morphology. This work proposes specific molecular design strategy to optimize the donor:acceptor (D:A) bulk morphology, which is crucial for further boosting the efficiency of the OPV cells.
Source: openalex_inverted_index · Quality: baseline

Research context

PolymersElectronic materials

OpenAlex topics: Organic Electronics and Photovoltaics · Conducting polymers and applications · Thin-Film Transistor Technologies

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

Affiliations

State Key Laboratory of Polymer Physics and Chemistry, Beijing National Laboratory for Molecular, Sciences CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry Chinese Academy of Sciences, Beijing 100190, People’s Republic of China

University of Chinese Academy of Sciences, Beijing 100049, People’s Republic of China

School of Chemistry and Biology Engineering, University of Science and Technology Beijing, Beijing 100083, People’s Republic of China

School of Materials Science and Engineering, Tianjin Key Laboratory of Molecular Optoelectronic Science, Tianjin University, Tianjin 300350, China

CAS Key Laboratory of Nanosystem and Hierarchical Fabrication, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, 100190 Beijing, China

Funding

Ministry of Science and Technology of the People's Republic of China · Government of Guangdong Province · National Natural Science Foundation of China · Beijing National Laboratory for Molecular Sciences

References (56)

Show source-provided references
1. 10.1039/b914956m10.1039/b914956m ↗
2. 10.1039/C4CS00227J10.1039/C4CS00227J ↗
3. 10.1016/j.solmat.2008.10.00410.1016/j.solmat.2008.10.004 ↗
4. 10.1038/nphoton.2012.1110.1038/nphoton.2012.11 ↗
5. 10.1002/adma.20090369710.1002/adma.200903697 ↗
6. 10.1002/aenm.20170179110.1002/aenm.201701791 ↗
7. 10.1038/nphoton.2009.6910.1038/nphoton.2009.69 ↗
8. 10.1007/s11120-005-6397-910.1007/s11120-005-6397-9 ↗
9. 10.1002/aenm.20170314710.1002/aenm.201703147 ↗
10. 10.1002/smll.20180179310.1002/smll.201801793 ↗
11. 10.1016/j.joule.2019.01.00410.1016/j.joule.2019.01.004 ↗
12. 10.1038/nmat506310.1038/nmat5063 ↗
13. 10.1016/j.chempr.2020.08.00310.1016/j.chempr.2020.08.003 ↗
14. 10.1002/anie.20180629110.1002/anie.201806291 ↗
15. 10.1021/acs.chemrev.7b0053510.1021/acs.chemrev.7b00535 ↗
16. 10.1016/j.joule.2018.05.01010.1016/j.joule.2018.05.010 ↗
17. 10.1038/ncomms629310.1038/ncomms6293 ↗
18. 10.1016/j.nanoen.2017.10.01410.1016/j.nanoen.2017.10.014 ↗
19. 10.1038/ncomms701310.1038/ncomms7013 ↗
20. 10.1016/j.joule.2019.09.01010.1016/j.joule.2019.09.010 ↗
21. 10.1038/s41566-019-0573-510.1038/s41566-019-0573-5 ↗
22. 10.1016/j.scib.2020.01.00110.1016/j.scib.2020.01.001 ↗
23. 10.1021/acsenergylett.0c0142110.1021/acsenergylett.0c01421 ↗
24. 10.1002/adma.20200723110.1002/adma.202007231 ↗
25. 10.1021/jacs.7b0267710.1021/jacs.7b02677 ↗
26. 10.1002/adma.20190820510.1002/adma.201908205 ↗
27. 10.1021/acsenergylett.0c0093910.1021/acsenergylett.0c00939 ↗
28. 10.1016/j.scib.2019.11.03010.1016/j.scib.2019.11.030 ↗
29. 10.1007/s11426-019-9599-110.1007/s11426-019-9599-1 ↗
30. 10.1021/ma301269f10.1021/ma301269f ↗
31. 10.1002/adfm.20050021110.1002/adfm.200500211 ↗
32. 10.1002/adma.20110079210.1002/adma.201100792 ↗
33. 10.1039/D0EE01763A10.1039/D0EE01763A ↗
34. 10.1016/j.joule.2020.04.01410.1016/j.joule.2020.04.014 ↗
35. 10.1021/jo025592d10.1021/jo025592d ↗
36. 10.1021/ja984440q10.1021/ja984440q ↗
37. 10.1002/adma.20190820510.1002/adma.201908205 ↗
38. 10.1016/j.mattod.2019.10.02310.1016/j.mattod.2019.10.023 ↗
39. 10.1002/adma.20170717010.1002/adma.201707170 ↗
40. 10.1002/anie.20191503010.1002/anie.201915030 ↗
41. 10.1103/PhysRevB.58.R1341110.1103/PhysRevB.58.R13411 ↗
42. 10.1039/C5CS00593K10.1039/C5CS00593K ↗
43. 10.1016/j.solmat.2010.02.01010.1016/j.solmat.2010.02.010 ↗
44. 10.1103/PhysRevB.81.08520310.1103/PhysRevB.81.085203 ↗
45. 10.1038/s41563-018-0128-z10.1038/s41563-018-0128-z ↗
46. 10.1021/jacs.9b0146510.1021/jacs.9b01465 ↗
47. 10.1021/ja305875u10.1021/ja305875u ↗
48. 10.1039/c2ee21327c10.1039/c2ee21327c ↗
49. 10.1038/s41563-017-0005-110.1038/s41563-017-0005-1 ↗
50. 10.1016/0143-7496(92)90045-W10.1016/0143-7496(92)90045-W ↗
51. 10.1021/ma070712a10.1021/ma070712a ↗
52. 10.1002/aenm.20170305810.1002/aenm.201703058 ↗
53. 10.1021/acs.chemrev.7b0008410.1021/acs.chemrev.7b00084 ↗
54. 10.1016/S0032-3861(01)00673-510.1016/S0032-3861(01)00673-5 ↗
55. 10.1021/jp053216210.1021/jp0532162 ↗
56. 10.1002/solr.20180003810.1002/solr.201800038 ↗