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Efficiency improvement of dye-sensitized solar cell was conducted in terms of increasing light harvest efficiency of dye-coated TiO2 photoelectrode. To increase light harvest efficiency, light confined effect by light scattering TiO2 particles was applied. TiO2 pastes for photoelectrode were composed of mixture of TiO2 particles of 20-23nm, 50nm and 100 nm in average diameter with different ratios...
Since Gratzel's group reported an overall efficiency of 10% for dye-sensitized solar cell using cis-di(thiocyanato)bis(2,2'-bipyridyl-4,4'-dicarboxylate)ruthenium(II), many other institutions have tried to reproduce it. However, no other institutions have, so far, reported such a high efficiency. In order to develop high efficiency dye-sensitized solar cells, the tuning of TiO 2 photoelectrode...
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