O. O. Adewoye, “Advances in Engineering Materials Development,” In Proceedings of Nigeria Materials Congress (NIMACON 2007), Centre for Energy, Research and Development (CERD), Obafemi Awolowo University, Ile-Ife, 2007, pp. 118-122.
 C. X. Shan, X. H. Hou and K.-L. Choy, “Corrosion Resistance of TiO2 Films Grown on Stainless Steel by Atomic Layer Deposition,” Surface and Coatings Technology, Vol. 202, No. 11, 2008, pp. 2399-2402. http://dx.doi.org/10.1016/j.surfcoat.2007.08.066
 T. Nishide, M. Sato and H. Hara, “Crystal Structure and Optical Property of TiO2 Gels and Films Prepared from Ti-Edta Complexes as Titania Precursors,” Journal of Materials Science, Vol. 35, No. 2, 2000, pp. 465-469. http://dx.doi.org/10.1023/A:1004731804075
 B. H. Kim, J. H. Ahn, J. H. Jeong, Y. S. Jeon, K. O. Jeon and K. S. Hwang, “Preparation of TiO2 Thin Film on SiO2 Glass by a Spin Coating—Pyrolysis Process,” Ceramics International, Vol. 32, 2006, pp. 223-225.
 Z. L. Tang, J. Y. Zhang, Z. Cheng and Z. T. Zhang, “Synthesis of Rutile TiO2 at Low Temperature,” Materials Chemistry and Physics, Vol. 77, No. 2, 2001, pp. 314-317. http://dx.doi.org/10.1016/S0254-0584(02)00003-2
 J. C. Yu, J. G. Yu, L. Z. Zhang and W. K. Ho, “Photocatalytic Activity of Nano-Sized TiO2 Powders by Sol-Gel Method, Using Titanium Tetraisopropoxide and EtOH/ H2O Solution,” Journal of Photochemistry and Photobiology A: Chemistry, Vol. 148, No. 1-3, 2002, pp. 263-271. http://dx.doi.org/10.1016/S1010-6030(02)00052-7
 Y. Z. Li, N. H. Lee, E. G. Lee, J. S. Song and S. Kim, “Preparation and Characterization of Nano-TiO2 Powder by Sol-Gel Method,” Chemical Physics Letters, Vol. 389, No. 1-3, 2004, pp. 124-128. http://dx.doi.org/10.1016/j.cplett.2004.03.081
 A. M. Ruiz, G. Sakai, A. Cornet, K. Shimanoe, J. R. Morante and N. Yamazoe, “Microstructure Control of Thermally Stable TiO2 Obtained by Hydrothermal Process,” Sensors and Actuators B: Chemical, Vol. 103, No. 1-2, 2004, pp. 312-317. http://dx.doi.org/10.1016/j.snb.2004.04.061
 S. Qiu and S. Kalita, “Synthesis, Processing and Characterization of Nanocrystalline Titanium Dioxide,”
Department of Mechanical, Materials and Aerospace Engineering College of Engineering and Computer Science,University of Central Florida, Orlando, Florida. http://www.google.com.ng/url?
 S. F. Chen, J. P. Li, K. Qian, W. P. Xu, Y. Lu, W. X. Huang and S. H. Yu, “Large Scale Photochemical Synthesis of M@TiO2 Nanocomposites (M = Ag, Pd, Au, Pt) and Their Optical Properties, CO Oxidation Performance, and Antibacterial Effect,” Nano Research, Vol. 3, No. 4, 2010, pp. 244-255. www.springerlink.com
 J. Y. Choi, K. Kim, J. Yoo and D. Kim, “Properties of Cadmium Sulphide Films Deposited by Chemical Bath Deposition with Ultrasonication,” Solar Energy, Vol. 64, No. 1-3, 1998, pp. 41-47. http://dx.doi.org/10.1016/S0038-092X(98)00047-4
 D. S. Reddy, D. R. Reddy, B. K. Reddy, A. M. Reddy, K. R. Gunasekhar and P. S. Reddy, “Annealing Effect on Physical Properties of Thermally Evaporated MnS Nanocrystalline Films,” Journal of Optoelectronics And Advanced Materials, Vol. 9, No. 7, 2007, pp. 2019-2022.
 R. K. Wahi, Y. Liu, J. C. Falkner and V. L. Colvin, “Solvothermal Synthesis and Characterization of Anatase TiO2 Nanocrystals with Ultrahigh Surface Area,” Journal of Colloid and Interface Science, Vol. 302, No. 2, 2006, pp. 530-536. http://dx.doi.org/10.1016/j.jcis.2006.07.003
 M. Addamo, V. Augugliaro, A. Paola, E. García-López, V. Loddo, G. Marcì and L. Palmisano, “Photocatalytic Thin Films of TiO2 Formed by a Sol-Gel Process Using Titanium Tetraisopropoxide as the Precursor,” Thin Solid Films, Vol. 516, No. 12, 2007, pp. 3802-3807.
 B.-H. Kim, J.-H. Ahn, J.-H. Jeong, Y.-S. Jeon, K.-O. Jeon and K.-S. Hwang, “Preparation of TiO2 Thin Film on SiO2 Glass by a Spin Coating—Pyrolysis Process,” Ceramics International, Vol. 32, No. 2, 2006, pp. 223-225. http://dx.doi.org/10.1016/j.ceramint.2005.01.016
 T. Miyata, S. Tsukada and T. Minami, “Preparation of Anatase TiO2 Thin Films by Vacuum Arc Plasma Evaporation,” Thin Solid Film, Vol. 496, No. 1, 2006, pp. 136-140.
 J. H. Jia, P. Zhou, H. Xie, H. Y. You, J. Li and L. Y. Chen, “Study of Optical and Electrical Properties of TiO2/ Ag/TiO2 Multilayers,” Journal of the Korean Physical Society, Vol. 44, No. 3, 2003, pp. 717-721.