Large polarization-dependent exciton optical Stark effect in lead iodide perovskites
The band gap of bulk semiconductors widens when excited by sub-bandgap wavelengths at low temperature—it’s the optical Stark effect. Here, the authors measure a room temperature optical Stark effect in lead halide perovskite films, due to their well-resolved excitonic transitions.
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| Autores principales: | , , , , , , |
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| Formato: | article |
| Lenguaje: | EN |
| Publicado: |
Nature Portfolio
2016
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| Materias: | |
| Acceso en línea: | https://doaj.org/article/c82eb826e89a44049f5b79164a2bd6ef |
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| Sumario: | The band gap of bulk semiconductors widens when excited by sub-bandgap wavelengths at low temperature—it’s the optical Stark effect. Here, the authors measure a room temperature optical Stark effect in lead halide perovskite films, due to their well-resolved excitonic transitions. |
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