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Efficient plastic scintillators utilizing phosphorescent dopants

delete2007-01-05
delete40
PRE
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I
I. H. Campbell *
B
B. K. Crone
DOI：10.1063/1.2430683delete
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Abstract

Abstract

En 中文
The authors demonstrate improved light yield from plastic scintillators utilizing a phosphorescent dopant to collect both singlet and triplet excitations created by ionizing radiation. They specifically considered poly(vinyltoluene) and poly(9-vinylcarbazole) doped with an Ir phosphor. They present the spectral, temporal, and integrated yield responses as a function of dopant concentration to pulses of 10 keV electrons. Both doped plastics yield a maximum light output of similar to 200% of anthracene with decay times < 850 ns. High light yield was obtained for Ir element fractions up to similar to 10 wt %, implying that these scintillators may be useful for gamma detection. (c) 2007 American Institute of Physics.
Keywords:
LIGHT-EMITTING DEVICES
POLY(VINYL TOLUENE)
EXCITATION
COMPLEXES
GREEN
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Journal

Applied Physics Letters cover
Applied Physics Letters
IF:
3.6
Papers:
10.4W
Citations:
17.8W

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