The invention provides compositions, organic electronic devices, and methods for preparing organic electronic devices. The compositions include a small molecule that is combined with at least one other material selected from a charge transporting material, a charge blocking material, a light emitting material, a color conversion material, or a combination thereof. The first compound has an aromatic core and two to four identical end capping groups attached to the aromatic core. The second compound has at least some structural similarities to the first compound of the composition.