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dc.contributor.authorWerner, J.
dc.contributor.authorNogay, G.
dc.contributor.authorSahli, F.
dc.contributor.authorYang, T. C. J.
dc.contributor.authorBrauninger, M.
dc.contributor.authorChristmann, G.
dc.contributor.authoret al.
dc.date.accessioned2021-12-09T13:59:43Z
dc.date.available2021-12-09T13:59:43Z
dc.date.issued2018
dc.identifier.citationAcs Energy Letters, vol. 3 (3), pp. 742-747, Mar 2018.
dc.identifier.urihttps://yoda.csem.ch/handle/20.500.12839/200
dc.description.abstractCesium-formamidinium-based mixed-halide perovskite materials with optical band gaps ranging from 1.5 to 1.8 eV are investigated by variable-angle spectroscopic ellipsometry. The determined complex refractive indices are shown to depend on the fabrication procedure and environmental conditions during processing. This data is complemented by additional optical and structural characterization, as well as the demonstration of efficient perovskite solar cells. Finally, the data is used in optical simulations to provide guidelines for the optimization of perovskite/silicon tandem solar cells.
dc.subjecttandem solar-cells, efficiency, silicon, Chemistry, Electrochemistry, Energy and Fuels, Science and Technology -, Other Topics, Materials Science
dc.titleComplex Refractive Indices of Cesium-Formamidinium-Based Mixed-Halide Perovskites with Optical Band Gaps from 1.5 to 1.8 eV
dc.typeJournal Article
dc.type.csemdivisionsDiv-E
dc.type.csemresearchareasQuantum Technologies
dc.identifier.doihttps://doi.org/10.1021/acsenergylett.8b00089


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