Changing counterions gives molecular materials new electronic behaviors

Orthogonally arranged π-electronic systems that combine electron-donating and electron-accepting units display distinctive electronic and photophysical behavior. Fine-tuning their electronic structure offers a way to control photoinduced electron transfer. Building on this idea, complexing boron with 1,3-diketones and 9-oxidophenalenone may produce electron-deficient cationic π-electronic systems.

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