Phenylalkylamine Passivation of Organolead Halide Perovskites Enabling High-Efficiency and Air-Stable Photovoltaic Cells.
basic_science · Level V
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- Record sourced from PubMed, PMID 27677653.
- Also identified by DOI 10.1002/adma.201603062.
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Abstract
Benzylamine is introduced as a surface passivation molecule that improves the moisture-resistance of the perovskites while simultaneously enhancing their electronic properties. Solar cells based on benzylamine-modified formamidinium lead iodide perovskite films exhibit a champion efficiency of 19.2% and an open-circuit voltage of 1.12 V. The modified FAPbI<sub>3</sub> films exhibit no degradation after >2800 h air exposure.