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Incorporation of γ-butyrolactone (GBL) dramatically lowers the phase transition temperature of formamidinium-based metal halide perovskites.
Ruan, Shuai; Fan, Rong; Pai, Narendra; Lu, Jianfeng; Webster, Nathan A S; Ruan, Yinlan; Cheng, Yi-Bing; McNeill, Christopher R.
Afiliación
  • Ruan S; Department of Materials Science and Engineering, Monash University, Clayton, Victoria 3800, Australia. Christopher.McNeill@monash.edu.
  • Fan R; CSIRO Mineral Resources, Private Bag 10, Clayton South, Victoria 3169, Australia.
  • Pai N; School of Chemistry, Monash University, Clayton, Victoria 3800, Australia.
  • Lu J; Department of Chemical Engineering, Monash University, Victoria 3800, Australia.
  • Webster NAS; CSIRO Mineral Resources, Private Bag 10, Clayton South, Victoria 3169, Australia.
  • Ruan Y; ARC Centre of Excellence for Nanoscale BioPhotonics, Institute for Photonics and Advanced Sensing, the University of Adelaide, Adelaide, SA 5005, Australia.
  • Cheng YB; Department of Materials Science and Engineering, Monash University, Clayton, Victoria 3800, Australia. Christopher.McNeill@monash.edu and State Key Laboratory of Advanced Technology for Materials Synthesis and Processing, Wuhan University of Technology, Wuhan 430070, China.
  • McNeill CR; Department of Materials Science and Engineering, Monash University, Clayton, Victoria 3800, Australia. Christopher.McNeill@monash.edu.
Chem Commun (Camb) ; 55(78): 11743-11746, 2019 Sep 26.
Article en En | MEDLINE | ID: mdl-31513197
ABSTRACT
We demonstrate that the δ to α phase transition temperature of formamidinium-based perovskites is reduced by ∼50 °C through the incorporation of ∼2 wt% γ-butyrolactone (GBL) into the crystal lattice. The intercalation of GBL is found to expand the unit cell of the δ-phase, reducing the energy barrier for thermal conversion.

Texto completo: 1 Bases de datos: MEDLINE Idioma: En Revista: Chem Commun (Camb) Asunto de la revista: QUIMICA Año: 2019 Tipo del documento: Article País de afiliación: Australia

Texto completo: 1 Bases de datos: MEDLINE Idioma: En Revista: Chem Commun (Camb) Asunto de la revista: QUIMICA Año: 2019 Tipo del documento: Article País de afiliación: Australia