The Center of Excellence for Green Nanotechnologies (CEGN) undertakes frontier research and development in the areas of nanotechnology and nanoscience for future electronics, photonics, and energy efficient devices. CEGN tackles major issues of scaling, energy, efficiency, speed, and emerging new materials. Researchers in the Center are innovating novel solutions through a number of complementary efforts that minimize power usage and cost without compromising electronic device performance. The approach is based on co-design integration of photonic devices, magnetic devices, and newly discovered high performance nanomaterials.