研究目的
Investigating the co-electrodeposition of Sn-doped TiO2 as an electron-transporting layer for perovskite solar cells to improve photovoltaic performance.
研究成果
The study demonstrates that Sn-doped TiO2 films prepared by co-electrodeposition can significantly improve the photovoltaic performance of perovskite solar cells, with an optimal Sn doping concentration of 5% providing the best balance between improved electronic properties and maintained film morphology.
研究不足
The study is limited by the potential for non-uniform film morphology at high Sn doping levels and the need for optimization of Sn doping concentration to avoid detrimental effects on film properties and device performance.
1：Experimental Design and Method Selection:
The study employs a co-electrodeposition method from a single bath containing TiCl3 and SnCl2 to prepare Sn-doped TiO2 films.
2：Sample Selection and Data Sources:
Fluoride-doped tin oxide glass substrates were used as working electrodes.
3：List of Experimental Equipment and Materials:
Equipment includes a three-electrode electrochemical cell, FESEM, AFM, UV-Vis spectrophotometer, and XPS. Materials include TiCl3, SnCl2, and Na2CO
4：Experimental Procedures and Operational Workflow:
Electrodeposition was conducted under N2 purging at room temperature, followed by characterization of film properties and photovoltaic performance.
5：Data Analysis Methods:
Mott-Schottky analysis, conductivity measurement, and photovoltaic performance evaluation were used to analyze the data.
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