Ba(1-x)SrxMg3SiN4:Eu narrowband red phosphor

Osborne, R. A.; Cherepy, N. J.; Åberg, D.; Zhou, F.; Seeley, Z. M.; Payne, S. A.; Drobshoff, A. D.; Comanzo, H. A.; Srivastava, A. M.

doi:10.1016/j.optmat.2018.06.032

Title: Ba(1-x)SrxMg3SiN4:Eu narrowband red phosphor

Journal Article · Mon Oct 01 00:00:00 UTC 2018 · Optical Materials

DOI: https://doi.org/10.1016/j.optmat.2018.06.032 · OSTI ID:1502037

Osborne, R. A.; Cherepy, N. J.; Åberg, D.; Zhou, F.; Seeley, Z. M.; Payne, S. A.; Drobshoff, A. D.; Comanzo, H. A.; Srivastava, A. M.

We evaluated polyvinyl toluene (PVT) scintillators fabricated with different emitting dopants and scintillator optical configurations for fast neutron imaging. A neutron imaging apparatus was constructed to study scintillators under MeV neutron exposure. PVT with 2% Xylyl Flrpic emitter was identified as the brightest. The addition of a black backing to the scintillator, compared with a specular reflector film backing, improved the resolution of the neutron image obtained with the PVT scintillator by about 2 9. It is concluded that a PVT imaging screen with 2% Xylyl Flrpic, configured with a black backing, provides the best quality fast neutron image of the scintillators tested.

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Research Organization:: Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)

Sponsoring Organization:: USDOE Office of Energy Efficiency and Renewable Energy (EERE)

Grant/Contract Number:: AC52-07NA27344

OSTI ID:: 1502037

Report Number(s):: LLNL-JRNL--752010; 938244

Journal Information:: Optical Materials, Journal Name: Optical Materials Journal Issue: C Vol. 84; ISSN 0925-3467

Publisher:: ElsevierCopyright Statement

Country of Publication:: United States

Language:: English

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