This patented technology relates to organic blends comprising more than one non-fullerene electron acceptors for use in organic optical or electronic devices.
Ternary blends based on P3HT:IDTBR:IDFBR can substantially enhance OPV performance and stability:
- PCE of 7.7 %
- Superior shelf life and photostability in air with un-encapsulated cells maintaining 85 % PCE after 90 hours under continuous operating conditions (c.f DOI: 10.1038/NMAT4797).
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