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Title: High luminescence plastic scintillators

Patent ·
OSTI ID:2293752

A plastic scintillator includes a polymeric matrix comprising a primary fluorophore capable of forming an amorphous glass in its pure form. The primary fluorophore is also capable of generating luminescence in the presence of ionizing radiation and includes: a central species including silicon; a luminescent organic group bonded to the central species or to an optional organic linker group, the luminescent organic group including fluorene or an analog thereof; and the optional organic linker group, if present, is bonded to the central species and the luminescent organic group.

Research Organization:
Sandia National Lab. (SNL-CA), Livermore, CA (United States)
Sponsoring Organization:
USDOE National Nuclear Security Administration (NNSA)
DOE Contract Number:
NA0003525
Assignee:
National Technology & Engineering Solutions of Sandia, LLC (Albuquerque, NM)
Patent Number(s):
11,795,388
Application Number:
17/881,859
OSTI ID:
2293752
Resource Relation:
Patent File Date: 08/05/2022
Country of Publication:
United States
Language:
English

References (23)

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New spiro[benzotetraphene-fluorene] Derivatives: Synthesis and Application in Sky-Blue Fluorescent Host Materials journal May 2014
High-efficiency organic glass scintillators patent December 2017
Lithium-containing scintillators for thermal neutron, fast neutron, and gamma detection patent March 2016
Boron Compounds for Use in Scintillators and Admixture to Scintillators patent-application December 2016
Fracture of molecular glasses under tension and increasing their fracture resistance with polymer additives journal December 2015
High luminescence plastic scintillators patent October 2022
Crystallization of Organic Glasses: Effects of Polymer Additives on Bulk and Surface Crystal Growth in Amorphous Nifedipine journal June 2011
Nanostructured organosilicon luminophores and their application in highly efficient plastic scintillators journal October 2014
Metal-loaded plastic scintillators for gamma-ray spectroscopy patent July 2018
New random copolymers with pendant carbazole donor and 1,3,4-oxadiazole acceptor for high performance memory device applications journal January 2011
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Mixed compound organic glass scintillators patent December 2019
Spiro linked compounds for use as active materials in organic light emitting diodes journal January 1998
Polymers Derived from 3,6-Fluorene and Tetraphenylsilane Derivatives: Solution-Processable Host Materials for Green Phosphorescent OLEDs journal May 2008
Synthesis and characterization of highly stable and efficient star-molecules journal March 2013
Polysiloxane scintillator composition patent May 1992
Spiro silane compound and organic electroluminescent device using the same patent June 2006
High effective atomic number polymer scintillators for gamma ray spectroscopy patent April 2014
System and Plastic Scintillator for Discrimination of Thermal Neutron, Fast Neutron, and Gamma Radiation patent-application November 2013
Dyes and Pigments Containing Organosilicon Functional Groups journal September 1969
Synthesis of Amorphous Monomeric Glass Mixtures for Organic Electronic Applications journal November 2015

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