Large polarization-dependent exciton optical Stark effect in lead iodide perovskites

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: Ye Yang, Mengjin Yang, Kai Zhu, Justin C. Johnson, Joseph J. Berry, Jao van de Lagemaat, Matthew C. Beard
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2016
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Science
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Acceso en línea:https://doaj.org/article/c82eb826e89a44049f5b79164a2bd6ef
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