Journal article Open Access

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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{
  "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 Pm3\u0305m 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.", 
  "license": "", 
  "creator": [
    {
      "@id": "https://orcid.org/0000-0003-2978-1093", 
      "@type": "Person", 
      "name": "Ma\u0327czka, Mirosl\u0337aw"
    }, 
    {
      "@id": "https://orcid.org/0000-0002-4639-2367", 
      "@type": "Person", 
      "name": "Ptak, Maciej"
    }, 
    {
      "@type": "Person", 
      "name": "Ga\u0327gor, Anna"
    }, 
    {
      "@type": "Person", 
      "name": "Stefa\u0144ska, Dagmara"
    }, 
    {
      "@id": "https://orcid.org/0000-0001-6117-6876", 
      "@type": "Person", 
      "name": "Zar\u0229ba, Jan K."
    }, 
    {
      "@id": "https://orcid.org/0000-0003-4136-5754", 
      "@type": "Person", 
      "name": "Sieradzki, Adam"
    }
  ], 
  "headline": "Methylhydrazinium Lead Bromide: Noncentrosymmetric Three-Dimensional Perovskite with Exceptionally Large Framework Distortion and Green Photoluminescence", 
  "image": "https://zenodo.org/static/img/logos/zenodo-gradient-round.svg", 
  "datePublished": "2020-01-24", 
  "url": "https://zenodo.org/record/5845302", 
  "@context": "https://schema.org/", 
  "identifier": "https://doi.org/10.1021/acs.chemmater.9b05273", 
  "@id": "https://doi.org/10.1021/acs.chemmater.9b05273", 
  "@type": "ScholarlyArticle", 
  "name": "Methylhydrazinium Lead Bromide: Noncentrosymmetric Three-Dimensional Perovskite with Exceptionally Large Framework Distortion and Green Photoluminescence"
}
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