1. See for example the recent article by M.A. Fox and M.T. Dulay, Chem. Rev., 93, 341 (1993).
2. E. Pelizzetti, M. Barbeni, E. Pramauro, W. Erbs, E. Borgarello, M.A. Jamieson, and N. Serpone, Quimica Nova (Brasil), 288 (1985).
3. M. Gratzel, (Ed.), Energy Resources though Photochemistry and Catalysis, Academic Press, New York, (1983).
4. J. Kiwi, K. Kalyanasundaram, and M. Gratzel, Struct. & Bonding (Berlin), 49, 39 (1982).
5. N. Serpone, E. Pelizzetti, and H. Hidaka, In: Photochemical Conversion & Storage of Solar Energy (IPS 9), S.M. Cai, Y. Cao, X.R. Xiao, (Eds.), Academica Sinica, in press, (1993).