Journal
APPLIED PHYSICS LETTERS
Volume 116, Issue 13, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.5139467
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Funding
- National Natural Science Foundation of China [U19A2092]
- National Key Research and Development Program of China [2019YFA0405600]
- Fundamental Research Funds for the Central Universities [WK2060140023, CX3430000001, WK2060190085]
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Antimony selenosulfide, Sb-2(SxSe1-x)(3), has been considered as a promising light harvesting material for low-cost, non-toxic, and stable solar cell applications. However, current preparation methods of Sb-2(SxSe1-x)(3) suffer from low-quality films, which hampers the performance improvement in Sb-2(SxSe1-x)(3)-based solar cells. Herein, we develop a pulsed laser deposition technique to fabricate antimony selenosulfide films with flat and compact surface morphology and high crystallinity. The composition of the as-obtained films can be conveniently tuned via varying molar ratios of Sb2S3 and Se in targets. At optimized conditions, we fabricate planar heterojunction solar cells and then obtain a significantly improved power conversion efficiency of 7.05%. Our research offers a facile and robust preparation method for Sb-2(SxSe1-x)(3) films with enhanced photovoltaic properties. Published under license by AIP Publishing.
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