In situ observation of picosecond polaron self-localisation in α-Fe2O3 photoelectrochemical cells

The efficiency of Hematite (α-Fe2O3) photo-anodes is thought to be limited by ultrafast lattice distortions or polarons. Here, we use an optical-control method with photocurrent detection to track small polarons in real time and demonstrate that they impact photoelectrochemical cell activity

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Autores principales: Ernest Pastor, Ji-Sang Park, Ludmilla Steier, Sunghyun Kim, Michael Grätzel, James R. Durrant, Aron Walsh, Artem A. Bakulin
Formato: article
Lenguaje:EN
Publicado: Nature Portfolio 2019
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Acceso en línea:https://doaj.org/article/48428c50c4884f06bb589f8fa8a021c8
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