Highly Efficient and Reproducible Nonfullerene Solar Cells from Hydrocarbon Solvents
Name:
Highly efficient and reproducible non-fullerene solar cells from hydrocarbon solvents Manuscript Final Copy.pdf
Size:
859.4Kb
Format:
PDF
Description:
Accepted Manuscript
Name:
Highly efficient non-fullerene solar cells from hydrocarbon solvents SI Final Formatting.pdf
Size:
629.6Kb
Format:
PDF
Description:
Supplemental Information
Type
ArticleAuthors
Wadsworth, Andrew
Ashraf, Raja
Abdelsamie, Maged

Pont, Sebastian
Little, Mark S.

Moser, Maximilian
Hamid, Zeinab
Neophytou, Marios
Zhang, Weimin
Amassian, Aram

Durrant, James R.

Baran, Derya

McCulloch, Iain

KAUST Department
Chemical Science ProgramKAUST Solar Center (KSC)
Material Science and Engineering Program
Organic Electronics and Photovoltaics Group
Physical Science and Engineering (PSE) Division
Date
2017-06-05Online Publication Date
2017-06-05Print Publication Date
2017-07-14Permanent link to this record
http://hdl.handle.net/10754/625072
Metadata
Show full item recordAbstract
With chlorinated solvents unlikely to be permitted for use in solution-processed organic solar cells in industry, there must be a focus on developing nonchlorinated solvent systems. Here we report high-efficiency devices utilizing a low-bandgap donor polymer (PffBT4T-2DT) and a nonfullerene acceptor (EH-IDTBR) from hydrocarbon solvents and without using additives. When mesitylene was used as the solvent, rather than chlorobenzene, an improved power conversion efficiency (11.1%) was achieved without the need for pre- or post-treatments. Despite altering the processing conditions to environmentally friendly solvents and room-temperature coating, grazing incident X-ray measurements confirmed that active layers processed from hydrocarbon solvents retained the robust nanomorphology obtained with hot-processed chlorinated solvents. The main advantages of hydrocarbon solvent-processed devices, besides the improved efficiencies, were the reproducibility and storage lifetime of devices. Mesitylene devices showed better reproducibility and shelf life up to 4000 h with PCE dropping by only 8% of its initial value.Citation
Wadsworth A, Ashraf RS, Abdelsamie M, Pont S, Little M, et al. (2017) Highly Efficient and Reproducible Nonfullerene Solar Cells from Hydrocarbon Solvents. ACS Energy Letters: 1494–1500. Available: http://dx.doi.org/10.1021/acsenergylett.7b00390.Sponsors
The authors thank KAUST for financial support, the Welsh Assembly Government Sêr Solar Project, and acknowledge EC FP7 Project SC2 (610115), EC H2020 (643791), and EPSRC Projects EP/G037515/1, EP/M005143/1, and EP/L016702/1.Publisher
American Chemical Society (ACS)Journal
ACS Energy LettersAdditional Links
http://pubs.acs.org/doi/abs/10.1021/acsenergylett.7b00390ae974a485f413a2113503eed53cd6c53
10.1021/acsenergylett.7b00390