Superstrate structured Sb$_2$S$_3$ thin-film solar cells by magnetron sputtering of Sb and post-sulfurization
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arXiv
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| Main Authors: | , , , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866910980009623552 |
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| author | Gilshtein, Evgeniia Gupta, Harshvardhan Maheshkant Enevoldsen, Andrea Maria Pierri Besleaga, Cristina Galca, Aurelian Catalin Canulescu, Stela |
| author_facet | Gilshtein, Evgeniia Gupta, Harshvardhan Maheshkant Enevoldsen, Andrea Maria Pierri Besleaga, Cristina Galca, Aurelian Catalin Canulescu, Stela |
| contents | We report on the fabrication and optimization of semi-transparent antimony sulfide (Sb$_2$S$_3$) thin-film solar cells in a superstrate configuration, using RF magnetron sputtering of metallic antimony followed by post-deposition sulfurization. The influence of absorber and buffer layer thicknesses on device performance was systematically studied in FTO/CdS/Sb$_2$S$_3$/Spiro-OMeTAD/Au architectures. Optimizing the Sb$_2$S$_3$ absorber thickness to 100 nm yielded a champion device with a power conversion efficiency of 2.76\%, short-circuit current density of 14 mA/cm$^2$, and open-circuit voltage of 650 mV. The devices exhibit up to 20\% transmittance in the 380--740 nm wavelength range, indicating their suitability for indoor and building-integrated photovoltaic applications. Structural and compositional analyses confirmed high-purity Sb$_2$S$_3$ (more than 90 at.\%) and improved crystallinity after sulfurization. These results demonstrate the potential of sputtered Sb$_2$S$_3$ as a scalable and tunable absorber for emerging transparent thin-film solar technologies and highlight the critical role of thickness optimization and interface control in device performance. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2506_01170 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Superstrate structured Sb$_2$S$_3$ thin-film solar cells by magnetron sputtering of Sb and post-sulfurization Gilshtein, Evgeniia Gupta, Harshvardhan Maheshkant Enevoldsen, Andrea Maria Pierri Besleaga, Cristina Galca, Aurelian Catalin Canulescu, Stela Materials Science Chemical Physics We report on the fabrication and optimization of semi-transparent antimony sulfide (Sb$_2$S$_3$) thin-film solar cells in a superstrate configuration, using RF magnetron sputtering of metallic antimony followed by post-deposition sulfurization. The influence of absorber and buffer layer thicknesses on device performance was systematically studied in FTO/CdS/Sb$_2$S$_3$/Spiro-OMeTAD/Au architectures. Optimizing the Sb$_2$S$_3$ absorber thickness to 100 nm yielded a champion device with a power conversion efficiency of 2.76\%, short-circuit current density of 14 mA/cm$^2$, and open-circuit voltage of 650 mV. The devices exhibit up to 20\% transmittance in the 380--740 nm wavelength range, indicating their suitability for indoor and building-integrated photovoltaic applications. Structural and compositional analyses confirmed high-purity Sb$_2$S$_3$ (more than 90 at.\%) and improved crystallinity after sulfurization. These results demonstrate the potential of sputtered Sb$_2$S$_3$ as a scalable and tunable absorber for emerging transparent thin-film solar technologies and highlight the critical role of thickness optimization and interface control in device performance. |
| title | Superstrate structured Sb$_2$S$_3$ thin-film solar cells by magnetron sputtering of Sb and post-sulfurization |
| topic | Materials Science Chemical Physics |
| url | https://arxiv.org/abs/2506.01170 |