A small molecule non-fullerene electron acceptor for organic solar cells - Burn, Paul L.; Gui, Ke.; Kopidakis, Nikos.; Krueger, Karsten B.; Lee, Kwan H.; Meredith, Paul.; Mutkins, Karyn.; Nardes, Alexandre M.; Rubinstein-Dunlop, Halina.; Schwenn, Paul E.; Shaw, Paul E.