研究目的
Investigating the effect of absorber thickness on the planar Sb2S3 thin film solar cell to reveal the trade-off between charge separation and light absorption in the device.
研究成果
The study concludes that the thickness of the Sb2S3 absorber layer significantly affects the solar cell performance, with an optimal thickness range of 550 nm to 650 nm identified for balancing light absorption and charge separation. This provides valuable guidance for optimizing Sb2S3 thin film solar cells.
研究不足
The study is limited by the range of Sb2S3 thicknesses investigated (80–620 nm) and the specific device configuration used. Potential areas for optimization include further refinement of the Sb2S3 absorber quality and interface engineering.
1：Experimental Design and Method Selection:
The Sb2S3 solar cell was assembled in the structure of ITO/TiO2/CdS/Sb2S3/Carbon/Ag, with Sb2S3 thin film prepared by a low-cost hydrothermal route.
2：Sample Selection and Data Sources:
Sb2S3 thin films were prepared by varying the deposition time (3 h, 6 h, 9 h, 12 h, 15 h, and 18 h) to study the effect of thickness.
3：List of Experimental Equipment and Materials:
X-Ray Diffraction (XRD, D/Max-rA), Field emission scanning electron microscope (FESEM, SU-8010), UV–Vis absorption spectra (Shimadzu, UV-2450), Keithley 2400 Source Meter SMU Instruments, AAA level SAN-EI ELECTRIC solar simulator (XES-40S1).
4：1). Experimental Procedures and Operational Workflow:
4. Experimental Procedures and Operational Workflow: The Sb2S3 thin films were characterized for structure, morphology, and optical properties. Device performance was measured under AM
5：5 illumination. Data Analysis Methods:
Device simulation was carried out using SCAPS software to model the Sb2S3 solar cells with different absorber thickness.
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