When molecules get excited by light, then decay at points called "conical intersections". Understanding the location and nature of these points is important to understanding photochemistry. This picture shows the extent of conical intersection seams for a model of a conjugated dye (left) and the localization of molecular charge near the intersections (right). The charge distribution in the molecule changes abruptly near the intersection, suggesting how environmental effects can tune photochemical outcomes.

Centre for Organic Photonics & ElectronicsSchool of Mathematics & Physics

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