Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 133, Issue 39, Pages 15256-15259Publisher
AMER CHEMICAL SOC
DOI: 10.1021/ja2055726
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Funding
- Florida State University Research Foundation
- FYAP Award
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Anion-induced electron transfer (ET) to pi-electron-deficient naphthalenediimides (NDIs) can be channeled through two distinct pathways by adjusting the Lewis basicity of the anion and the pi-acidity of the NDI: (1) When the anion and NDI are a strong electron donor and acceptor, respectively, positioning the HOMO of the anion above the LUMO of the NDI, a thermal anion -> NDI ET pathway is turned ON. (2) When the HOMO of a wealdy Lewis basic anion falls below the LUMO of an NDI but still lies above its HOMO, the thermal ET is turned OFF, but light can activate an unprecedented anion -> (1)*NDI photoinduced ET pathway from the anion's HOMO to the photogenerated (1)*NDI's SOMO-1. Both pathways generate NDI(center dot-) radical anions.
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