Vigil, E., J. A. Ayllón, S. Sánchez, & L. Azúa.
"Novel Nanocrystalline CuO-TiO2 Composite: Electron Injection from CuO to TiO2 illuminating with Visible Light without Polarization Voltage." <em>Revista Cubana de Física</em> [Online], 26.2A (2009): 165-168. Web.  4 May. 2024