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Improvement of Light Output of MAPbBr3 Single Crystal for Ultrafast and Bright Cryogenic Scintillator.
Mahato, Somnath; Makowski, Michal; Bose, Shaona; Kowal, Dominik; Kuddus Sheikh, Md Abdul; Braueninger-Wemer, Philipp; Witkowski, Marcin E; Ray, Samit Kumar; Drozdowski, Winicjusz; Birowosuto, Muhammad Danang.
Afiliación
  • Mahato S; Lukasiewicz Research Network - PORT Polish Center for Technology Development, Wroclaw 54-066, Poland.
  • Makowski M; Lukasiewicz Research Network - PORT Polish Center for Technology Development, Wroclaw 54-066, Poland.
  • Bose S; Department of Physics, Indian Institute of Technology Kharagpur, Kharagpur-721 302, India.
  • Kowal D; Lukasiewicz Research Network - PORT Polish Center for Technology Development, Wroclaw 54-066, Poland.
  • Kuddus Sheikh MA; Lukasiewicz Research Network - PORT Polish Center for Technology Development, Wroclaw 54-066, Poland.
  • Braueninger-Wemer P; Cintilight LLC, Knoxville, Tennessee 37919, United States.
  • Witkowski ME; Institute of Physics, Faculty of Physics, Astronomy, and Informatics, Nicolaus Copernicus University in Torun, Torun 87-100, Poland.
  • Ray SK; Department of Physics, Indian Institute of Technology Kharagpur, Kharagpur-721 302, India.
  • Drozdowski W; Institute of Physics, Faculty of Physics, Astronomy, and Informatics, Nicolaus Copernicus University in Torun, Torun 87-100, Poland.
  • Birowosuto MD; Lukasiewicz Research Network - PORT Polish Center for Technology Development, Wroclaw 54-066, Poland.
J Phys Chem Lett ; 15(14): 3713-3720, 2024 Apr 11.
Article en En | MEDLINE | ID: mdl-38546293
ABSTRACT
The remarkable brightness and rapid scintillation observed in perovskite single crystals (SCs) become even more striking when they are operated at cryogenic temperatures. In this study, we present advancements in enhancing the scintillation properties of methylammonium lead bromide (MAPbBr3) SCs by optimizing the synthesis process. We successfully synthesized millimeter-sized MAPbBr3 SCs with bright green luminescence under UV light. However, both MAPbBr3 (Control-1M and THF-0.4M) SCs display notable radioluminescence exclusively at low temperatures due to their phase transitions. Notably, the THF-0.4M SCs exhibit a remarkable improvement in radioluminescence light yield, surpassing Control-1M SCs more than 2-fold. Further, THF-0.4M SCs demonstrate an ultrafast decay component of 0.52 ns (82.2%) and a slower component of 1.80 ns (17.8%), contributing to a rapid scintillation response at low temperatures. Therefore, the amalgamation of ultrafast decay components and improved radioluminescence light yield equips THF-0.4M SCs to emerge as a top choice for perovskite scintillators for X-ray timing applications.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: J Phys Chem Lett Año: 2024 Tipo del documento: Article País de afiliación: Polonia Pais de publicación: Estados Unidos
Texto completo
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XML
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Idioma: En Revista: J Phys Chem Lett Año: 2024 Tipo del documento: Article País de afiliación: Polonia Pais de publicación: Estados Unidos