A high-efficiency and low-operating-voltage green electrophosphorescent device employing a pure-hydrocarbon host material, Chem. Commun., 2009, 3892. Does supramolecular ordering influence exciton transport in conjugated systems? Insight from atomistic simulations, Chem. Sci., 2011, 2, 1025. Energy versus electron transfer in organic solar cells: a comparison of the photophysics of two indenofluorene: fullerene blend films, Chem. Sci., 2011, 2, 1111.