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Substantial improvement in essential cheap solar cell process
Date:3/20/2008

distance of approximately 20 nanometres, comparable to systems found in nature. This substantially increases the efficiency of the cells. v

In order to make this new type of solar cell commercially viable, Huijser estimates that the mobility of the excitons needs to increase further by a factor of three. She believes that this is certainly possible. Once that has been achieved, there is nothing to stop this type of solar cell being developed further.

Grtzel cells

The solar cells used by Huijser are closely related to the more widely known Grtzel cells. In the case of Grtzel cells, however, the dye and semiconductor are very close to each other, they are almost blended. As a result, the excitons do not need to move that far. One disadvantage of this type of cell, however, is the complicated method of charge transport. For this reason, Huijser chose to adopt a different approach and use this simple dual-layer system of dye and semiconductor.


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Contact: Ineke Boneschansker
i.boneschansker@tudelft.nl
31-152-788-499
Delft University of Technology
Source:Eurekalert

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