Origin of photovoltage in perovskite solar cells probed by first-principles calculations
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comunitat-uji-handle2:10234/160292
comunitat-uji-handle3:10234/160293
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Title
Origin of photovoltage in perovskite solar cells probed by first-principles calculationsAuthor (s)
Date
2018-06-04ISSN
0003-6951; 1077-3118Bibliographic citation
ECHEVERRÍA-ARRONDO, C. Origin of photovoltage in perovskite solar cells probed by first-principles calculations. Applied Physics Letters, 2018, vol. 112, no 23, p. 233902Type
info:eu-repo/semantics/articlePublisher version
https://aip.scitation.org/doi/full/10.1063/1.5033325Version
info:eu-repo/semantics/publishedVersionSubject
Abstract
Hybrid halide perovskite solar cells hold great potential for photovoltaic applications, but suffer, however, from anomalous current density-voltage characteristics. With a view to further understanding the performance ... [+]
Hybrid halide perovskite solar cells hold great potential for photovoltaic applications, but suffer, however, from anomalous current density-voltage characteristics. With a view to further understanding the performance of these optoelectronic devices, we investigate a prototypical electron selective contact with density functional theory methods. Our computations on a TiO2/CH3NH3PbI3 heterojunction doped with Schottky defects at open circuit reveal a consistent picture of ions and interlayer excitons at the origin of photovoltage formation. [-]
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Applied Physics Letters, 2018, vol. 112, no 23Rights
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