Controlling decoherence in the singlet fission process. Exciton delocalization and dissociation In non-entangled conjugated bottlebrushes and polyelectrolytes. Control exciton delocalization by shear-induced alignment. Controlling anisotropy in lead-free perovskite analogues By pressure treatments for efficient sustainable solar cells. Photo-switchable quantum dot-dye arrays for exciton logic gates. Nearfield-control of excited state dynamics. Unravelling Light-Matter Interactions In nano- and micro-patterned perovskite films and devices.