The present invention provides composite organics and optoelectronic devices, including photovoltaic devices, comprising the same. In one embodiment, the present invention provides a photovoltaic cell comprising a radiation transmissive first electrode, a photosensitive layer electrically connected to the first electrode, the photosensitive layer comprising a plurality of composite organic layers, wherein each of the plurality of composite organic layers comprises a polymeric phase and a nanoparticle phase, the nanoparticle phase comprising at least one exaggerated nanocrystalline grain.