Journal
SOLAR ENERGY MATERIALS AND SOLAR CELLS
Volume 195, Issue -, Pages 269-273Publisher
ELSEVIER
DOI: 10.1016/j.solmat.2019.03.023
Keywords
Perovskites; Optical properties; Photovoltaic; Semiconductors
Funding
- National Spanish project INVENTA-PV [TEC2015-64189-C3-1-R]
- European Commission [H2020-787289]
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Lead halide perovskites are promising semiconductors for solar energy conversion because of their electronic and optical properties. Using first principles we obtain these properties for the chlorine, bromine and iodine lead halide perovskites. In order to analyze the contributions of the different atoms and orbitals to the absorption coefficient, we split them into a many-species expansion. It allows the atomic and orbital contributions to be identified and quantified as a photon energy function.
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