Journal
SEMICONDUCTOR SCIENCE AND TECHNOLOGY
Volume 31, Issue 6, Pages -Publisher
IOP PUBLISHING LTD
DOI: 10.1088/0268-1242/31/6/063001
Keywords
Sb2Se3; thin film; solar cell; thermal evaporation; grain boundary
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Funding
- director fund of Wuhan National Laboratory for Optoelectronics, 'National 1000 Young Talents' project
- National Natural Science Foundation of China (NSFC) [61322401, 91433105, 21403078]
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Due to their promising applications in low-cost, flexible and high-efficiency photovoltaics, there has been a booming exploration of thin-film solar cells using new absorber materials such as Sb2Se3, SnS, FeS2, CuSbS2 and CuSbSe2. Among them, Sb2Se3-based solar cells are a viable prospect because of their suitable band gap, high absorption coefficient, excellent electronic properties, non-toxicity, low cost, earth-abundant constituents, and intrinsically benign grain boundaries, if suitably oriented. This review surveys the recent development of Sb2Se3-based solar cells with special emphasis on the material and optoelectronic properties of Sb2Se3, the solution-based and vacuum-based fabrication process and the recent progress of Sb(2)Se(3)sensitized and Sb2Se3 thin-film solar cells. A brief overview further addresses some of the future challenges to achieve low-cost, environmentally-friendly and high-efficiency Sb2Se3 solar cells.
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