In (PEA)2PbI4 the low-energy excitonic multiplet is intralayer fine structure from crystal symmetry and octahedral distortions, while a ~45 meV higher doublet matches calculated interlayer excitons made visible by distortion-induced mixing.
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First-principles modeling shows BVB defects create intermediate bands for solar cells and PV defects enable high room-temperature conductivity via impurity bands in diamond diodes without harming mobility or thermal conductivity.
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Intra- and Interlayer Excitonic Fine Structure of the Two-Dimensional Perovskite (PEA)$_2$PbI$_4$
In (PEA)2PbI4 the low-energy excitonic multiplet is intralayer fine structure from crystal symmetry and octahedral distortions, while a ~45 meV higher doublet matches calculated interlayer excitons made visible by distortion-induced mixing.
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From Defects to Devices: Design Guidelines for High-Performance Diamond-Based Solar Cells and Single-Dopant Diodes
First-principles modeling shows BVB defects create intermediate bands for solar cells and PV defects enable high room-temperature conductivity via impurity bands in diamond diodes without harming mobility or thermal conductivity.