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Direct observation of mode-specific phonon-band gap coupling in methylammonium lead halide perovskites

Methylammonium lead iodide perovskite is an outstanding semiconductor for photovoltaics. One of its intriguing peculiarities is that the band gap of this perovskite increases with increasing lattice temperature. Despite the presence of various thermally accessible phonon modes in this soft material,...

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Detalhes bibliográficos
Publicado no:Nat Commun
Main Authors: Kim, Heejae, Hunger, Johannes, Cánovas, Enrique, Karakus, Melike, Mics, Zoltán, Grechko, Maksim, Turchinovich, Dmitry, Parekh, Sapun H., Bonn, Mischa
Formato: Artigo
Idioma:Inglês
Publicado em: Nature Publishing Group UK 2017
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Acesso em linha:https://ncbi.nlm.nih.gov/pmc/articles/PMC5612932/
https://ncbi.nlm.nih.gov/pubmed/28947824
https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1038/s41467-017-00807-x
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