ITIC (CAS number 1664293-06-4) represents the start of a new generation of non-fullerene acceptors for organic photovoltaics (OPVs). The energy levels of ITIC allow for good alignment with low band-gap polymers, resulting in enhanced charge separation efficiency and reduced energy loss. ITIC molecules also have strong and broad absorption characteristics, from the visible region of the electromagnetic spectrum to the near infrared, peaking at 700 nm. This gives it the potential to increase the total absorption of an OPV device and enable improved power conversion efficiencies (PCEs). ITIC has also proved to have excellent thermal stability, with devices showing no losses after being held at 100 °C for 250 hours.
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