Abstract
Terrylenediimide with electron-withdrawing groups (TDI4SF) was synthesized by the attachment of sulfone substituents on the bay region of terrylenediimide. The electron-withdrawing sulfone groups enhance the electron affinity, reduce the LUMO level to -4.37 eV, and endow TDI with excellent anti-oxidation ability. With sulfone substituents, TDI4SF has a red-shifted emission maximum with a peak at 702 nm and high photoluminescence quantum yield.
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