Short-Circuit Current Density Behavior of Dye-Sensitized Solar Cells

概要

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Short-circuit current densities ($J_{\text{sc}}$s) were measured on two kinds of dye-sensitized solar cells (DSCs). The dependences of $J_{\text{sc}}$ on the diffusion coefficient of I3- and the cell gap are discussed using relevant model equations for the DSC. In the lower diffusion coefficient region, the DSC operates under an I3- diffusion-limiting condition and, under this condition, narrowing the cell gap is a simple and effective way to increase the $J_{\text{sc}}$. The $J_{\text{sc}}$ of a gel-type polymeric-electrolyte-based DSC with a cell gap of 20 μm is verified to be equal to that of a liquid electrolyte-based DSC.
Published by the Japan Society of Applied Physics through the Institute of Pure and Applied Physicsの論文
2005-09-15