研究目的
Investigating the fabrication and properties of TiO2/Cu2O heterojunctions for photovoltaic cells application using reactive magnetron sputtering.
研究成果
TiO2/Cu2O heterojunctions were successfully fabricated and characterized. Despite some photosensitivity observed, the method lacks efficiency for industrial photovoltaic applications due to inconsistent photovoltaic activity and material composition issues.
研究不足
The method used for photovoltaic cells production isn't efficient for industrial application due to lack of characteristic dependency for photovoltaic devices in I-V characteristics and variability in properties among samples.
1：Experimental Design and Method Selection:
TiO2/Cu2O heterostructures were fabricated using a two-step process with direct current magnetron sputtering.
2：Sample Selection and Data Sources:
Thin films were deposited onto commercially available indium tin oxide (ITO)-coated triangular and square glass substrates.
3：List of Experimental Equipment and Materials:
SEM microprobe (Bruker Quantax) for EDX spectroscopy, CARY 5000 spectrophotometer for optical properties, Keithley 2200 power supply for I-V characteristics.
4：Experimental Procedures and Operational Workflow:
TiO2 and Cu2O layers were deposited sequentially, followed by annealing and characterization of morphological, chemical, and photovoltaic properties.
5：Data Analysis Methods:
EDX spectroscopy for composition analysis, spectrophotometry for optical properties, and I-V measurements for photovoltaic performance.
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