Park, J.H., Leeb, T.-W. and Kang, M.G. (2008) Growth, detachment and transfer of highly-ordered TiO2 nano tube arrays: Use in dye-sensitized solar cells. Chemical Communications, 25, 2867-2869. doi:10.1039/b800660a
 Liu, B. and Aydil, E.S. (2011) Layered mesoporous nanostructures for enhanced light harvesting in dye-sensitized solar cells. Journal of Renewable and Sustainable Energy. 3, 043106.
 Sukhatme, S.P. (2008) Solar energy principles of thermal collection and storage. 3rd Edition, Tata McGraw-Hill, Noida, 341.
 Gary, H.P. and Jprakash (2000) Solar energy fundamentals and applications. Tata Mc Graw-Hill, Noida, 434.
 Maycock, P.D. and Stirewalt, E.N. (1981) Photo voltaic sunlight to electricity in one step. 3rd Edition, Brick House, Andover, 222.
 Wolf, M. (1976) Historical development of solar cells” in solar cells. IEEE Press, New York, 274.
 Singh, J. (1994) Semiconductor devices: An inter-duction,” Mc Graw Hill, New York, 669.
 Mckelvey, J.P. (1966) Solid state and semiconductors physics. Krieger Publishing Company, New York, 512.
 Shockley, W. and Queisser, H.J. (1961) Detailed balance limit of efficiency of PN junction solar cells. Journal of Applied Physics, 32, 510-519.
 Green, M.A. (1981) Solar cell fill factors: General graph and empirical expressions. Solid State Electronics, 24, 788-789. doi:10.1016/0038-1101(81)90062-9