The present invention is directed to a photolytic cell (16), and to aphotolytic artificial lung (10) incorporating such a cell (16). The photolyticartificial lung (10) converts water to oxygen for blood absorption, regulatespH, removes carbon dioxide, and co-produces electrical power. The photolyticartificial lung (10) includes a photolytic cell (16) where all of the chemicalreactions occur. Additionally, the present invention relates to photolyticallysensitive materials for oxygen generation. These materials are useful for gas-free artificial lung fabrication. The photolytic cell (16) disclosed hereincan also be used to direct chemical reactions in organs other than the lung.It can also be used to maintain breathing air in confined systems.