In:
Journal of Materials Chemistry A, Royal Society of Chemistry (RSC), Vol. 10, No. 21 ( 2022), p. 11625-11635
Abstract:
The efficiency of Sb 2 (S,Se) 3 solar cells prepared via hydrothermal methods recently broke the bottleneck of 10%. However, limited by the black-box hydrothermal process, important experimental details, such as the real-time chemical reaction process, precursor temperature and pH in the hydrothermal reactor, have not been acquired accurately until now. Moreover, the hydrothermal method is unfavorable for fabricating large-area devices. Herein, we develop a simple and monitorable chemical bath deposition (CBD) method to fabricate an Sb 2 (S,Se) 3 absorber layer. Owing to the open space of CBD, the physical and chemical processes during the whole film deposition could be studied based on the real-time precursor color, pH and temperature. The comprehensive understanding of CBD further guided the optimization of Se/S composition and film thickness. Finally, a champion efficiency of 8.27% with an open-circuit voltage of 0.625 V, a short-circuit current density of 22.98 mA cm −2 and a fill factor of 57.6% were achieved, representing the highest efficiency among all CBD-based antimony chalcogenide solar cells.
Type of Medium:
Online Resource
ISSN:
2050-7488
,
2050-7496
Language:
English
Publisher:
Royal Society of Chemistry (RSC)
Publication Date:
2022
detail.hit.zdb_id:
2702232-8
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