Malato, S., Blanco, J., Alarco'n, D., Maldonado, M., Fernández-Ibáñez, P., Gernjak, W., “Photocatalytic decontamination and disinfection of water with solar collectors,” Catalysis Today vol. 122, pp.137–149, 2007
 Kositzi, M., Poulios, I., Malato, S., Caceres, J., Campos, A., “Solar photocatalytic treatment of synthetic municipal wastewater,” Water Research, vol. 38, pp. 1147–1154, 2004
 Fujishima, A., Zhang, X., “Titanium dioxide photocatalysis: present situation and future approaches,” C.R. Chimie, vol. 9, pp. 750–760, 2006
 Zhanga, W., Zhub, S., Lib, Y., Wang, F., “Photocatalytic Zn-doped TiO2 films prepared by DC reactive magnetron sputtering,” Vacuum, vol. 82, pp. 328–335, 2008
 Zhao, Y., Li, C., Liu, X., Gu, F., Du, H.L., Shi, L, “Zn-doped TiO2 nanoparticles with high photocatalytic activity synthesized by hydrogen-oxygen diffusion flame,” Applied Catalysis B: Environmental, vol. 79, pp. 208–215, 2008
 Marcý, G., Augugliaro, V., Lopez-Munoz, M., Martýn, C., Palmisano, L., Rives, V., Schiavello, M., Tilley, R. J., Venezia, A., “Preparation Characterization and Photocatalytic Activity of Polycrystalline ZnO/TiO2 Systems. 2. Surface, Bulk Characterization, and 4- Nitrophenol Photodegradation in Liquid-Solid Regime,” J. Phys. Chem. B, vol. 105, pp. 1033–1040, 2001
 Claudio, D. Di, Phani, A.R., Santucci, S., “Enhanced optical properties of sol-gel derived TiO2 films using microwave irradiation,” Optical Materials, vol. 30, pp. 279–284, 2007
 Phani, A.R., “Structural evolution and its effect on photocatalytic properties structural evolution and its effect on photocatalytic properties of of pure TiO pure TiO2 and Zn doped TiO and Zn doped TiO2 nanopowders,” Department of Physics, University of L'Aquila, Nov. 2007
 McCormick, P.G., Froes, F.H., “The Fundamentals of Mechanochemical Processing,” JOM, pp. 61–65, 1998
 Schmidt, M., “Thermochemical Treatment of TiO2 Nanoparticles for Photocatalytic Applications,” University of South Florida, 2007
 Kubelka, P., “New Contributions to the Optics of Intensely Light-Scattering Materials. Part I” JOSA Vol. 38, Issue 5, pp. 448–448, 1948.
 Kubelka, P., “New Contributions to the Optics of Intensely Light-Scattering Materials. Part II: Nonhomogeneous Layers,” JOSA Vol. 44, Issue 4, pp 330–334, 1954
 Kim, Y. I., Atherton, Stephen J., Brigham, Elaine S., and Mallouk, T. E., “Sensitized Layered Metal Oxide Semiconductor Particles for Photochemical Hydrogen Evolution from Non-sacrificial Electron Donors,” J. Phys. Chem., Vol 97, pp. 11802–11810, 1993.
 On line post: http://www.quantachrome.com/gassorption/index.html
 Quantachrome Instrument, Autosorb 1, Operation Manual, pp 68–70, 2005
 Phani, A.R., “Structural evolution and its effect on photocatalytic properties of pure TiO2 and Zn doped TiO2 nanopowders,” NANO-Center for Advanced Nanotechnologies Presentation, Nov. 2007