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Bright and fast scintillation of organolead perovskite MAPbBr₃ at low temperatures

Abstract:
We report the excellent scintillation properties of MAPbBr3, an organic–inorganic trihalide perovskite (OTP). The characteristic scintillation time constants were determined using pulsed monochromatic 14 keV X-rays from a synchrotron. We find that between 50 and 130 K the MAPbBr3 crystal exhibits a very fast and intense scintillation response, with the fast (τf) and slow (τs) decay components reaching 0.1 and 1 ns, respectively. The light yield of MAPbBr3 is estimated to be 90 000 ± 18 000 ph MeV−1 at 77 K and 116 000 ± 23 000 ph MeV−1 at 8 K.
Publication status:
Accepted
Peer review status:
Peer reviewed

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Publisher copy:
10.1039/C9MH00281B

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Particle Physics
Oxford college:
Corpus Christi College
Role:
Author
ORCID:
0000-0001-9171-0996
Publisher:
Royal Society of Chemistry Publisher's website
Journal:
Materials Horizons Journal website
Volume:
6
Issue:
8
Pages:
1740-1747
Publication date:
2019-05-29
Acceptance date:
2019-03-07
DOI:
EISSN:
2051-6355
ISSN:
2051-6347
Source identifiers:
983658
Language:
English
Keywords:
Pubs id:
pubs:983658
UUID:
uuid:37ae70da-2c9f-449c-8adf-8727ab6e5599
Local pid:
pubs:983658
Deposit date:
2019-03-21

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