Superstrate structured Sb2S3 thin-film solar cells by magnetron sputtering of Sb and post-sulfurization
This study explores the fabrication and optimization of superstrate-structured antimony sulfide (Sb2S3) thin-film solar cells using RF magnetron sputtering of antimony (Sb) followed by sulfurization. The study systematically investigates the effects of varying absorber and buffer layer thicknesses o...
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| Main Authors: | , , , , , |
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| Format: | Article |
| Language: | English |
| Published: |
Elsevier
2025-10-01
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| Series: | Materials & Design |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S026412752501041X |
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| Summary: | This study explores the fabrication and optimization of superstrate-structured antimony sulfide (Sb2S3) thin-film solar cells using RF magnetron sputtering of antimony (Sb) followed by sulfurization. The study systematically investigates the effects of varying absorber and buffer layer thicknesses on the photovoltaic performance of FTO/CdS/Sb2S3/Spiro-OMeTAD/Au solar cell devices. Analytical techniques confirmed the structural and chemical properties of the Sb2S3 films obtained after Sb post-sulfurization, demonstrating improved crystallinity and a composition consistent with a primarily Sb2S3 phase. Optimizing the Sb2S3 absorber thickness to 100 nm resulted in a maximum power conversion efficiency of the champion device of 2.76%, with enhanced short-circuit current density (Jsc) up to 14 mA/cm2 and open-circuit voltage (Voc) of up to 650 mV. The device exhibited semi-transparency up to 20% in the wavelength range of 380–740 nm, making it suitable for indoor and building-integrated photovoltaic applications. The results underscore the potential of magnetron-sputtered Sb2S3 for emerging transparent thin-film photovoltaics while highlighting the importance of thickness control and interface engineering for efficiency improvements. |
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| ISSN: | 0264-1275 |