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Chromophore Doped Glasses as Scintillator Materials

Published online by Cambridge University Press:  21 February 2011

C. Smith ,
N. F. Borrelli ,
P. A. Tick ,
D. Smith ,
M. J. Weber ,
T. C. Sangster ,
H. W. Lee ,
R. S. Hughes ,
S. E. Derenzo  and
W. W. Moses
C. Smith
Affiliation:
Corning Incorporated, Sullivan Park, Corning, NY14831
N. F. Borrelli
Affiliation:
Corning Incorporated, Sullivan Park, Corning, NY14831
P. A. Tick
Affiliation:
Corning Incorporated, Sullivan Park, Corning, NY14831
D. Smith
Affiliation:
Corning Incorporated, Sullivan Park, Corning, NY14831
M. J. Weber
Affiliation:
Lawrence Livermore National Laboratory, Livermore, CA, 94550
T. C. Sangster
Affiliation:
Lawrence Livermore National Laboratory, Livermore, CA, 94550
H. W. Lee
Affiliation:
Lawrence Livermore National Laboratory, Livermore, CA, 94550
R. S. Hughes
Affiliation:
Lawrence Livermore National Laboratory, Livermore, CA, 94550
S. E. Derenzo
Affiliation:
Lawrence Berkeley Laboratory, Berkeley, CA, 94720
W. W. Moses
Affiliation:
Lawrence Berkeley Laboratory, Berkeley, CA, 94720
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Abstract

A family of low melting temperature tin fluorophosphate glasses that can incorporate certain organic compounds has been under investigation. The glasses are comprised principally of SnF2, SnO, and P2O5; the addition of small amounts (< 5%) of Pb improves chemical durability. These materials are dense, reasonably water durable, and easily fabricated. Photoluminescence properties of glasses doped with pyrene, POPOP, stilbene 420 and several other organic molecules were studied. All of the doped glasses exhibited intense photoluminescence. Pyrene doped glass was found to have monomer-triplet and dimer-excimer pyrene species present, depending on the dopant concentration. Scintillation properties of the glasses were also investigated. Generally a very fast (~1 ns or less) but weak luminescence was observed. Results of these studies suggest that higher concentrations of the dyes must be incorporated into the glass and more efficient energy transfer from the glass host to the organic fluor must be attained for these materials to be useful as fast scintillators.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 348 , 1994 , 209
Copyright
Copyright © Materials Research Society 1994

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References

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