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10 March 2020 Photoluminescence, electroluminescence, and scintillation of halide perovskites (Conference Presentation)
Cuong H. Dang, Aozhen Xie, Chathuranga Hettiarachchi, Francesco Maddalena, Muhammad Danang Birowosuto
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Proceedings Volume 11277, Organic Photonic Materials and Devices XXII; 112770R (2020) https://doi.org/10.1117/12.2543336
Event: SPIE OPTO, 2020, San Francisco, California, United States
Abstract
We present our recent research results on luminescence of halide perovskites under various excitation sources: photoexcitation, electrical current and high-energy radiation. Our photonics crystal can reduce the emission rate of perovskite film by preventing the photoluminescence coupling to the film, but enhance the out-coupling efficiency by 23.5 times. Our solution-grown single-crystal perovskite hetero-structure was successful with different halide compositions. A pristine single-crystal light emitting device was demonstrated with excellent protection and encapsulation from material synthesis to device characterization. Lastly, with engineered perovskite materials we demonstrate a multifunctional scintillator for high-energy radiation from X-rays, gamma rays to thermal neutrons.
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Cuong H. Dang, Aozhen Xie, Chathuranga Hettiarachchi, Francesco Maddalena, and Muhammad Danang Birowosuto "Photoluminescence, electroluminescence, and scintillation of halide perovskites (Conference Presentation)", Proc. SPIE 11277, Organic Photonic Materials and Devices XXII, 112770R (10 March 2020); https://doi.org/10.1117/12.2543336
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KEYWORDS
Perovskite
Luminescence
Electroluminescence
Scintillation
Crystals
Gamma radiation
Lead
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