2022
DOI: 10.26434/chemrxiv-2022-9nf2m
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Stable acceptor-donor-acceptor type open-shell diradical with ultra-narrow bandgap and efficient photothermal conversion

Abstract: It has been reported recently that open-shell diradical character could exist in narrow bandgap donor-acceptor (D-A) organic semiconductors in our previous work. The A-D-A type molecules play as important role in the organic electronic such as donors and acceptors (ITIC and Y6) in organic solar cells. However, their relatively poor chemical and photostability prevent their industrial application. In this work, we reported a stable A-D-A type open-shell diradical, named LY1-4Cl, by replacing the 2-(3-oxo-2,3-di… Show more

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