Bismuth-loaded plastic scintillators for gamma-ray spectroscopy
Polyvinylcarbazole polymer scintillators with high loading of a bismuth organometallic exhibit good light yields, and are found to be capable of gamma-ray spectroscopy. When activated by a standard fluor, diphenylanthracene, a bismuth-loaded polymer produces ∼12000 photons/MeV, exhibits an emission...
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Veröffentlicht in: | Europhysics letters 2012-01, Vol.97 (2), p.22002 |
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Format: | Artikel |
Sprache: | eng |
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Zusammenfassung: | Polyvinylcarbazole polymer scintillators with high loading of a bismuth organometallic exhibit good light yields, and are found to be capable of gamma-ray spectroscopy. When activated by a standard fluor, diphenylanthracene, a bismuth-loaded polymer produces ∼12000 photons/MeV, exhibits an emission maximum at 420 nm, a ∼15 ns decay, and energy resolution of 9% at 662 keV is measured. The same bismuth-loaded polymer doped with an iridium complex fluor has an emission maximum of 500 nm, a decay time of 1.2 μs, a light yield of ∼30000 photons/MeV, and energy resolution better than 7% FWHM at 662 keV. |
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ISSN: | 0295-5075 1286-4854 |
DOI: | 10.1209/0295-5075/97/22002 |