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Using sunlight to save the earth

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If you have a question about this talk, please contact Dr Ellen Nisbet.

Abstract: Sunlight is the starting point of life. Without the sun, our planet would be cold and lifeless. After the 1973 oil embargo, there was a resurgence of interest in solar energy. Making energy useable is a central problem of our civilization. In theory, photocatalytic cells are easy to make. Simply put the catalyst in water, irradiate with sunlight, collect the hydrogen, and there you are. In addition to the energy, a variety of environmental problems now affect our entire world. A promising approach for remediating air quality contaminants is to employ photocatalyst that oxidize these compounds. By definition, photocatalyst is a catalyst that accelerates photoreaction. Everything depends on the photocatalyst which must use sunlight efficiently. My research has now developed a new photocatalyst that works when irradiated with visible light. This presentation will provide an overview of my present and future of research.

This talk is part of the Darwin College Science Seminars series.

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