Lead-Free Inverted Planar Formamidinium Tin Triiodide Perovskite Solar Cells Achieving Power Conversion Efficiencies up to 6.22.
basic_science · Level V
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- Record sourced from PubMed, PMID 27571446.
- Also identified by DOI 10.1002/adma.201602992.
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Abstract
Efficient lead (Pb)-free inverted planar formamidinium tin triiodide (FASnI<sub>3</sub> ) perovskite solar cells (PVSCs) are demonstrated. Our FASnI<sub>3</sub> PVSCs achieved average power conversion efficiencies (PCEs) of 5.41% ± 0.46% and a maximum PCE of 6.22% under forward voltage scan. The PVSCs exhibit small photocurrent-voltage hysteresis and high reproducibility. The champion cell shows a steady-state efficiency of ≈6.00% for over 100 s.