Photon Management in Dye Sensitized Solar Cell Using Photon Conversion Layer

Incident photon conversion is an effective strategy to compensate the low absorption in dye sensitized solar cell (DSSC). Photon conversion strategy can be done using luminescent materials. The luminescent material should absorb photons in wavelength range which the DSSC has low external quantum efficiency, while it should emit photons in wavelength range which the DSSC has high external quantum efficiency. This strategy is more applicable to DSSC compared to other kinds of solar cell due to the vast variety of the dye molecules used in DSSC. In addition, the transparency of the DSSC provides the opportunity to apply the photon conversion layer in different architectures; inside or outside the DSSC. In this article, the photon conversion strategy and its requirements are discussed. Different DSSC structures with photon conversion layer and suitable luminescent materials are also introduced. The results show that the choice of the luminescent material for each structure is the most important parameter governing the performance of the DSSC with photon conversion layer