Abstract
The introduction of different thicknesses of a compact NiO blocking layer coating with different spin speeds on FTO and followed by a coating of photoactive NiO electrode for p-type dye-sensitized solar cells (p-DSCs). This study examined the fabrication of a compact NiO blocking layer by decomposing an ethanolic precursor solution of nickel acetate tetrahydrate. The DCBZ dye used as the photosensitizer for the NiO electrode in the p-DSCs device and their performances have been analyzed. The enhancement of photovoltaic performance and resulted from an increase in the power conversion efficiency (η). The electrochemical impedance spectroscopy (EIS) measurement demonstrated that charge recombination was suppressed when a compact NiO blocking layer was applied. The results showed that the best p-DSC was achieved by employing 3000 rpm spin-coated process for different times of blocking layer.
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Ho, P., Bao, L.Q., Cheruku, R. et al. Improved performance of P-type DSCs with a compact blocking layer coated by different thicknesses. Electron. Mater. Lett. 12, 638–644 (2016). https://doi.org/10.1007/s13391-016-6055-8
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DOI: https://doi.org/10.1007/s13391-016-6055-8