Hybrid halide perovskite neutron detectors

Abstract Interest in fast and easy detection of high-energy radiation (x-, γ-rays and neutrons) is closely related to numerous practical applications ranging from biomedicine and industry to homeland security issues. In this regard, crystals of hybrid halide perovskite have proven to be excellent de...

Descripción completa

Guardado en:

Detalles Bibliográficos
Autores principales:	Pavao Andričević, Gábor Náfrádi, Márton Kollár, Bálint Náfrádi, Steven Lilley, Christy Kinane, Pavel Frajtag, Andrzej Sienkiewicz, Andreas Pautz, Endre Horváth, László Forró
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/ae50e72e385f4229bb6cdb403259b383
Etiquetas:	Agregar Etiqueta Sin Etiquetas, Sea el primero en etiquetar este registro!

id	oai:doaj.org-article:ae50e72e385f4229bb6cdb403259b383
record_format	dspace
spelling	oai:doaj.org-article:ae50e72e385f4229bb6cdb403259b3832021-12-02T19:04:19ZHybrid halide perovskite neutron detectors10.1038/s41598-021-95586-32045-2322https://doaj.org/article/ae50e72e385f4229bb6cdb403259b3832021-08-01T00:00:00Zhttps://doi.org/10.1038/s41598-021-95586-3https://doaj.org/toc/2045-2322Abstract Interest in fast and easy detection of high-energy radiation (x-, γ-rays and neutrons) is closely related to numerous practical applications ranging from biomedicine and industry to homeland security issues. In this regard, crystals of hybrid halide perovskite have proven to be excellent detectors of x- and γ-rays, offering exceptionally high sensitivities in parallel to the ease of design and handling. Here, we demonstrate that by assembling a methylammonium lead tri-bromide perovskite single crystal (CH3NH3PbBr3 SC) with a Gadolinium (Gd) foil, one can very efficiently detect a flux of thermal neutrons. The neutrons absorbed by the Gd foil turn into γ-rays, which photo-generate charge carriers in the CH3NH3PbBr3 SC. The induced photo-carriers contribute to the electric current, which can easily be measured, providing information on the radiation intensity of thermal neutrons. The dependence on the beam size, bias voltage and the converting distance is investigated. To ensure stable and efficient charge extraction, the perovskite SCs were equipped with carbon electrodes. Furthermore, other types of conversion layers were also tested, including borated polyethylene sheets as well as Gd grains and Gd2O3 pellets directly engulfed into the SCs. Monte Carlo N-Particle (MCNP) radiation transport code calculations quantitatively confirmed the detection mechanism herein proposed.Pavao AndričevićGábor NáfrádiMárton KollárBálint NáfrádiSteven LilleyChristy KinanePavel FrajtagAndrzej SienkiewiczAndreas PautzEndre HorváthLászló ForróNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 11, Iss 1, Pp 1-9 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Pavao Andričević Gábor Náfrádi Márton Kollár Bálint Náfrádi Steven Lilley Christy Kinane Pavel Frajtag Andrzej Sienkiewicz Andreas Pautz Endre Horváth László Forró Hybrid halide perovskite neutron detectors
description	Abstract Interest in fast and easy detection of high-energy radiation (x-, γ-rays and neutrons) is closely related to numerous practical applications ranging from biomedicine and industry to homeland security issues. In this regard, crystals of hybrid halide perovskite have proven to be excellent detectors of x- and γ-rays, offering exceptionally high sensitivities in parallel to the ease of design and handling. Here, we demonstrate that by assembling a methylammonium lead tri-bromide perovskite single crystal (CH3NH3PbBr3 SC) with a Gadolinium (Gd) foil, one can very efficiently detect a flux of thermal neutrons. The neutrons absorbed by the Gd foil turn into γ-rays, which photo-generate charge carriers in the CH3NH3PbBr3 SC. The induced photo-carriers contribute to the electric current, which can easily be measured, providing information on the radiation intensity of thermal neutrons. The dependence on the beam size, bias voltage and the converting distance is investigated. To ensure stable and efficient charge extraction, the perovskite SCs were equipped with carbon electrodes. Furthermore, other types of conversion layers were also tested, including borated polyethylene sheets as well as Gd grains and Gd2O3 pellets directly engulfed into the SCs. Monte Carlo N-Particle (MCNP) radiation transport code calculations quantitatively confirmed the detection mechanism herein proposed.
format	article
author	Pavao Andričević Gábor Náfrádi Márton Kollár Bálint Náfrádi Steven Lilley Christy Kinane Pavel Frajtag Andrzej Sienkiewicz Andreas Pautz Endre Horváth László Forró
author_facet	Pavao Andričević Gábor Náfrádi Márton Kollár Bálint Náfrádi Steven Lilley Christy Kinane Pavel Frajtag Andrzej Sienkiewicz Andreas Pautz Endre Horváth László Forró
author_sort	Pavao Andričević
title	Hybrid halide perovskite neutron detectors
title_short	Hybrid halide perovskite neutron detectors
title_full	Hybrid halide perovskite neutron detectors
title_fullStr	Hybrid halide perovskite neutron detectors
title_full_unstemmed	Hybrid halide perovskite neutron detectors
title_sort	hybrid halide perovskite neutron detectors
publisher	Nature Portfolio
publishDate	2021
url	https://doaj.org/article/ae50e72e385f4229bb6cdb403259b383
work_keys_str_mv	AT pavaoandricevic hybridhalideperovskiteneutrondetectors AT gabornafradi hybridhalideperovskiteneutrondetectors AT martonkollar hybridhalideperovskiteneutrondetectors AT balintnafradi hybridhalideperovskiteneutrondetectors AT stevenlilley hybridhalideperovskiteneutrondetectors AT christykinane hybridhalideperovskiteneutrondetectors AT pavelfrajtag hybridhalideperovskiteneutrondetectors AT andrzejsienkiewicz hybridhalideperovskiteneutrondetectors AT andreaspautz hybridhalideperovskiteneutrondetectors AT endrehorvath hybridhalideperovskiteneutrondetectors AT laszloforro hybridhalideperovskiteneutrondetectors
_version_	1718377229698727936

Hybrid halide perovskite neutron detectors

Ejemplares similares