Ultrafast photo-induced phonon hardening due to Pauli blocking in MAPbI 3 single-crystal and polycrystalline perovskites

Metal-halide perovskite semiconductors have attracted intense interest over the past decade, particularly for applications in photovoltaics. Low-energy optical phonons combined with significant crystal anharmonicity play an important role in charge-carrier cooling and scattering in these materials,...

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Veröffentlicht in:	JPhys materials 2021-10, Vol.4 (4), p.44017
Hauptverfasser:	Xia, Chelsea Q, Poncé, Samuel, Peng, Jiali, Ulatowski, Aleksander M, Patel, Jay B, Wright, Adam D, Milot, Rebecca L, Kraus, Hans, Lin, Qianqian, Herz, Laura M, Giustino, Feliciano, Johnston, Michael B
Format:	Artikel
Sprache:	eng
Online-Zugang:	Volltext
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