Antimony selenide solar cells may reach efficiencies of up 26%

New research from the United Kingdom sees potential to double efficiency of antimony selenide absorbers, beyond today's champion cells with 10%, by applying latest growth methods, reducing vacancy concentrations, and materials optimization. A group of researchers led by the Imperial College London has conducted a study to assess the upper limit to the conversion efficiency in solar cells based on antimony selenide (Sb2Se3) absorbers and has found these PV devices have the potential to achieve efficiencies close to 26%. Sb2Se3 is a p-type inorganic semiconductor with a one-dimensional crystal ...

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