Cesium-Containing Triple Cation Perovskite Solar Cells

Steponas Asmontas, Aurimas Cerskus, Jonas Gradauskas, Asta Griguceviciene, Konstantinas Leinartas, Andzej Lucun, Kazimieras Petrauskas, Algirdas Selskis, Algirdas Suziedelis, Edmundas Sirmulis, Remigijus Juskenas

COATINGS(2021)

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摘要
Cesium-containing triple cation perovskites are attracting significant attention as suitable tandem partners for silicon solar cells. The perovskite layer of a solar cell must strongly absorb the visible light and be transparent to the infrared light. Optical transmittance measurements of perovskite layers containing different cesium concentrations (0-15%) were carried out on purpose to evaluate the utility of the layers for the fabrication of monolithic perovskite/silicon tandem solar cells. The transmittance of the layers weakly depended on cesium concentration in the infrared spectral range, and it was more than 0.55 at 997 nm wavelength. It was found that perovskite solar cells containing 10% of cesium concentration show maximum power conversion efficiency.
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关键词
perovskite,thin film,solar cells,power conversion efficiency,cesium
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