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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,...
Autores principales: | , , , , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Nature Publishing Group UK
2017
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5612932/ https://www.ncbi.nlm.nih.gov/pubmed/28947824 http://dx.doi.org/10.1038/s41467-017-00807-x |