研究目的
To demonstrate the advantages of highly oriented anatase TiO2 nanopyramid arrays as electron transport materials in perovskite solar cells for achieving high power conversion efficiency.
研究成果
The study successfully demonstrates that highly oriented anatase TiO2 nanopyramid arrays can serve as excellent electron transport materials in PSCs, achieving a record power conversion efficiency of ~22.5%. This highlights the potential of 1D nanostructured oxides in high-performance PSCs.
研究不足
The study focuses on the synthesis and application of anatase TiO2 nanopyramid arrays in PSCs, with potential limitations in scalability and long-term stability under operational conditions.
1：Experimental Design and Method Selection:
A facile hydrothermal approach was used to grow highly oriented anatase TiO2 nanopyramid arrays on FTO substrates.
2：Sample Selection and Data Sources:
The samples were characterized using XRD, Raman spectroscopy, SEM, TEM, and UV-vis spectroscopy.
3：List of Experimental Equipment and Materials:
Instruments included a Keithley digital source meter, UV–vis spectrophotometer, and SEM. Materials included TiO2, perovskite precursors, and Spiro-OMeTAD.
4：Experimental Procedures and Operational Workflow:
The TiO2 nanopyramid arrays were synthesized, characterized, and then used to fabricate PSCs. The photovoltaic performance was measured under simulated sunlight.
5：Data Analysis Methods:
The data were analyzed using various spectroscopic and electrochemical techniques to evaluate the performance and properties of the PSCs.
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