研究目的
To develop a facile and versatile method for preparing high-quality Sb2Se3 sputtering target and to fabricate efficient Sb2Se3 thin film solar cells using RF magnetron sputtering with post-selenization heat treatment.
研究成果
A high-quality Sb2Se3 sputtering target was successfully prepared using ball milling and SPS. Efficient Sb2Se3 thin film solar cells were fabricated with a champion device achieving a PCE of 5.08%. The study demonstrates the potential of Sb2Se3 as an absorber material for thin film photovoltaic applications.
研究不足
The study focuses on the preparation and characterization of Sb2Se3 sputtering targets and thin films, with limited discussion on the scalability and cost-effectiveness of the method for industrial applications. The post-selenization temperature needs precise control to avoid decomposition of Sb2Se3.
1：Experimental Design and Method Selection:
Ball milling followed by spark plasma sintering (SPS) was used to prepare Sb2Se3 sputtering target. RF magnetron sputtering with post-selenization heat treatment was employed to prepare Sb2Se3 thin films.
2：Sample Selection and Data Sources:
High purity Sb2Se3 particles (99.99%) were used as raw materials. Mo-coated soda lime glass was chosen as the device substrate.
3：99%) were used as raw materials. Mo-coated soda lime glass was chosen as the device substrate. List of Experimental Equipment and Materials:
3. List of Experimental Equipment and Materials: Vertical planetary ball mill, Labox-325 SPS apparatus, RF magnetron sputtering system, double-chamber vacuum tubular furnace, X-ray diffractometer (XRD), scanning electron microscope (SEM), transmission electron microscope (TEM), UV/Vis/NIR spectrophotometer, solar simulator.
4：Experimental Procedures and Operational Workflow:
Ball milling of Sb2Se3 particles, SPS process to prepare the target, RF magnetron sputtering to deposit thin films, post-selenization heat treatment, device fabrication and characterization.
5：Data Analysis Methods:
XRD for crystal structure analysis, SEM and TEM for morphology and structural characterization, UV/Vis/NIR spectrophotometer for optical properties, J-V curves and EQE spectra for device performance evaluation.
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Sb2Se3 particles
100 meshes
Advanced Material Professional Manufacture
Raw material for preparing Sb2Se3 sputtering target
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Vertical planetary ball mill
Ball milling of Sb2Se3 particles
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Labox-325 SPS apparatus
Spark plasma sintering of Sb2Se3 powder
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RF magnetron sputtering system
Deposition of Sb2Se3 thin films
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Double-chamber vacuum tubular furnace
Post-selenization heat treatment
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X-ray diffractometer
Ultima-IV
Crystal structure analysis
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Scanning electron microscope
Zeiss SUPRA 55
Morphology observation
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Transmission electron microscope
FEI Titan Cubed Themis G2 300
Structural characterization
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UV/Vis/NIR spectrophotometer
Shimadzu UV-3600
Optical properties investigation
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Solar simulator
Device performance measurement
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