Photovoltaics part 3 – dye sensitized solar cells, IMVS and IMPS measurements

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To characterize photovoltaic devices, two additional frequency domain methods can be used. These methods are based on the modulation of the light intensity. The response from the cell is measured as a voltage or a current depending on the experimental conditions: - Intensity-modulated photovoltage spectroscopy (IMVS): measurement of the transfer function between modulated light intensity and generated AC voltage - Intensity-modulated photocurrent spectroscopy (IMPS): measurement of the transfer function between modulated light intensity and generated AC current.