Bojun Zhou's work on OPV stability is accepted in Adv Funct Mater! This work demonstrates that the Y-family NFAs are highly stable against water and oxygen in ambient under dark condition, whilst their photo-chemical and thermal stabilities decrease with the increasing side chain length. NFAs with shorter side chains are not only more resistance to photo-oxidation and photocatalytic reactions, but also can hamper the formation of large phase-separated NFA domains upon storage for better stability.
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