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3 October 2022 FA3Bi2I9: An emerging lead-free perovskite for radiation detection (Conference Presentation)
Doup Kim, Ge Yang, Ralph B. James
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Proceedings Volume PC12241, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XXIV; PC122410G (2022) https://doi.org/10.1117/12.2634650
Event: SPIE Optical Engineering + Applications, 2022, San Diego, California, United States
Abstract
FA3Bi2I9: An emerging lead-free perovskite for radiation detection Doup Kim, Ge Yang* Department of Nuclear Engineering, North Carolina State University Ralph B. James Savannah River National Laboratory *Ge Yang (phone: 919-515-5267, email: gyang9@ncsu.edu) Abstract Semiconductor radiation detectors have been actively used in a wide range of fields including medical imaging, homeland security, environmental survey, and industrial monitoring. A series of research activities are on-going to explore new detector materials for improved performance and reduction of manufacturing costs. In this regard, perovskites have attracted strong interests in recent years. Compared with well-studied lead-based perovskite materials, lead free perovskites hold potential to enable the development of environment-friendly detector materials while providing attractive detector characteristics. Here, we report our efforts to develop an emerging perovskite material, FA3Bi2I9 (FA=CH(NH2)2) single crystals, for radiation detection. Systematic microstructural-, electrical-, optical- properties and detector tests will be presented and discussed. These results will provide fundamental knowledge regarding the potential of FA3Bi2I9 as a new class of radiation detector materials.
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Doup Kim, Ge Yang, and Ralph B. James "FA3Bi2I9: An emerging lead-free perovskite for radiation detection (Conference Presentation)", Proc. SPIE PC12241, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics XXIV, PC122410G (3 October 2022); https://doi.org/10.1117/12.2634650
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KEYWORDS
Perovskite
Sensors
Germanium
Environmental sensing
Homeland security
Lead
Manufacturing
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