Spin Dynamics Study of Next Generation Solar Energy"Rare-Earth Dye-Sensitized Solar Cells"

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In the steady state ESR spectroscopy, the complex spin-state of the rare-earth dye molecules was revealed exactly. Then, it was clarify that these molecules are possible to indicate the high photoelectronic conversion efficiency, due to the long relaxation time in the rare-earth dye molecules. A little sample amount of these materials prevent us to examine the mechanism of dye sensitized solar cell. However, we were successful to clarify the organic photoconductive mechanism by using time-resolved ESR spectroscopy.