Journal
APL MATERIALS
Volume 2, Issue 4, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4871795
Keywords
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Funding
- German Research Foundation (DFG)
- Humboldt Foundation
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The field of thin-film photovoltaics has been recently enriched by the introduction of lead halide perovskites as absorber materials, which allow low-cost synthesis of solar cells with efficiencies exceeding 16%. The exact impact of the perovskite crystal structure and composition on the optoelectronic properties of the material are not fully understood. Our progress report highlights the knowledge gained about lead halide perovskites with a focus on physical and optoelectronic properties. We discuss the crystal and band structure of perovskite materials currently implemented in solar cells and the impact of the crystal properties on ferroelectricity, ambipolarity, and the properties of excitons. (C) 2014 Author(s).
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