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Methylhydrazinium Lead Bromide: Noncentrosymmetric Three-Dimensional Perovskite with Exceptionally Large Framework Distortion and Green Photoluminescence

Ma̧czka, Mirosl̷aw; Ptak, Maciej; Ga̧gor, Anna; Stefańska, Dagmara; Zarȩba, Jan K.; Sieradzki, Adam


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  <dc:creator>Ma̧czka, Mirosl̷aw</dc:creator>
  <dc:creator>Ptak, Maciej</dc:creator>
  <dc:creator>Ga̧gor, Anna</dc:creator>
  <dc:creator>Stefańska, Dagmara</dc:creator>
  <dc:creator>Zarȩba, Jan K.</dc:creator>
  <dc:creator>Sieradzki, Adam</dc:creator>
  <dc:date>2020-01-24</dc:date>
  <dc:description>Three-dimensional (3D) lead halide perovskites have emerged as a promising class of coordination polymers for solar cells, photodetectors, and light-emitting devices. These compounds thus far comprise methylammonium, formamidinium, or cesium as cations. In this work, we introduce a new methylhydrazinium 3D perovskite, CH3NH2NH2PbBr3, that crystallizes in the polar P21 structure at room temperature and undergoes a phase transition to the cubic Pm3̅m phase at 418 K. This perovskite exhibits strong second-harmonic generation activity, features switchable dielectric behavior, thermochromism, and two-photon energy upconversion under 800 nm excitation.</dc:description>
  <dc:identifier>https://zenodo.org/record/5845302</dc:identifier>
  <dc:identifier>10.1021/acs.chemmater.9b05273</dc:identifier>
  <dc:identifier>oai:zenodo.org:5845302</dc:identifier>
  <dc:rights>info:eu-repo/semantics/openAccess</dc:rights>
  <dc:source>Chemistry of Materials 32(4) 1667-1673</dc:source>
  <dc:title>Methylhydrazinium Lead Bromide: Noncentrosymmetric Three-Dimensional Perovskite with Exceptionally Large Framework Distortion and Green Photoluminescence</dc:title>
  <dc:type>info:eu-repo/semantics/article</dc:type>
  <dc:type>publication-article</dc:type>
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