研究目的
Investigating the domain wall conduction in calcium-modified lead titanate for polarization tunable photovoltaic devices.
研究成果
The study demonstrates the potential of PCT-based devices for tunable photovoltaic applications through domain wall conduction and ferroelectric polarization, suggesting a new avenue for high-performance photovoltaic materials design.
研究不足
The study is limited by the specific materials and conditions used, and the scalability of the fabrication process for PCT-based devices.
1：Experimental Design and Method Selection:
The study combines theoretical DFT calculations with experimental fabrication and characterization of PCT-based photovoltaic devices.
2：Sample Selection and Data Sources:
PCT thin films and devices were fabricated and characterized using TEM, PFM, and photovoltaic performance measurements.
3：List of Experimental Equipment and Materials:
Includes spin coating for film deposition, TEM and PFM for characterization, and Keithley 2400 for J-V curve measurements.
4：Experimental Procedures and Operational Workflow:
Fabrication of PCT films and devices, followed by characterization of their structural, ferroelectric, and photovoltaic properties.
5：Data Analysis Methods:
DFT calculations for electronic structure analysis and experimental data analysis for device performance evaluation.
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