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Seok, Sang Il
Laboratory for Energy Harvesting Materials and Systems (LEHMS)
Research Interests
  • Solar energy conversion, perovskite solar cells, inorganic-organic hybrid materials and processing, solution chemistry

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Efficient and Stable Antimony Selenoiodide Solar Cells

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Title
Efficient and Stable Antimony Selenoiodide Solar Cells
Author
Nie, RimingHu, ManmanRisqi, Andi MuhammadLi, ZhongpingSeok, Sang Il
Issue Date
2021-04
Publisher
WILEY
Citation
ADVANCED SCIENCE, v.8, no.8, pp.2003172
Abstract
Although antimony selenoiodide (SbSeI) exhibits a suitable bandgap as well as interesting physicochemical properties, it has not been applied to solar cells. Here the fabrication of SbSeI solar cells is reported for the first time using multiple spin-coating cycles of SbI3 solutions on Sb2Se3 thin layer, which is formed by thermal decomposition after depositing a single-source precursor solution. The performance exhibits a short-circuit current density of 14.8 mA cm(-2), an open-circuit voltage of 473.0 mV, and a fill factor of 58.7%, yielding a power conversion efficiency (PCE) of 4.1% under standard air mass 1.5 global (AM 1.5 G, 100 mW cm(-2)). The cells retain approximate to 90.0% of the initial PCE even after illuminating under AM 1.5G (100 mW cm(-2)) for 2321 min. Here, a new approach is provided for combining selenide and iodide as anions, to fabricate highly efficient, highly stable, green, and low-cost solar cells.
URI
https://scholarworks.unist.ac.kr/handle/201301/50177
URL
https://onlinelibrary.wiley.com/doi/10.1002/advs.202003172
DOI
10.1002/advs.202003172
ISSN
2198-3844
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