In the group we are interested in charge and excited state processes in a very broad sense, both in solid state materials and in isolated molecules in solutions. Examples of such processes include charge dynamics/mobility, excited state charge separation, excited state energy transfer, but also more exotic processes such as singlet exciton fission. For the solid state materials these studies are directly relevant for organic electronics, especially organic photovoltaics, while for the isolated molecules there is a very direct link with single molecule electronics. To study the processes we are interested in, we employ a variety of approaches. These include time-resolved spectroscopy, unique time-resolved microwave conductivity measurements, but also computational chemistry and molecular design and synthesis.