1. Energy Resources Through Photochemistry and Catalysis, M. Grätzel, ed., Academic Press, N.Y., (1983).
2. M.D. Hatley, J.J. Kozak, G. Rothenberger, P.P. Infelta and M. Grätzel, J. Phys. Chem. 84, 1508 (1980).
3. G. Rothenberger and M. Grätzel, to be submitted to J. Phys. Chem.
4. S.A. Alkaitis, G. Beck and M. Grätzel, J.Am. Chem. Soc. 97, 5723 (1975).
5. M. Maestri, P.P. Infelta and M. Grätzel, J. Chem. Physi 69, 1522 (1978).