Dye-Sensitised Solar Cells
Dye-sensitised solar cells are presented as an example of third generation photovoltaic devices. Their structure and fabrication are described as required for understanding spatial inhomogeneities. Because light interaction takes place via dye molecules, the operation of dye-sensitised solar cells is explained together with the operation under an electroluminescence regime. Conversion efficiency inhomogeneities of dye-sensitised solar cells are distinguished between manufacturing, other and unknown inhomogeneities. Each inhomogeneity type is described by a specific fingerprint obtained using transmittance imaging, light beam induced current and electroluminescence measurements. Ageing studies of dye-sensitised solar cells using transmittance imaging and electroluminescence measurements represents another use of spatial characterisation techniques and reveals the dynamics of the iodine present in the electrolyte.
KeywordsDye sensitised solar cell (DSSC) Electroluminescence Light beam induced current (LBIC) Transmittance imaging Ageing
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