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Title: Solid-state radiation-emitting compositions and devices

Patent ·
OSTI ID:868429

The invention relates to a composition for the volumetric generation of radiation, wherein a first substance functions as a source of exciting radiation, and a second substance interacts with the exciting radiation to provide a second radiation. The compositions comprise a porous substrate which is loaded with: a source of exciting radiation, a component capable of emitting radiation upon interaction with the exciting radiation, or both. Preferably, the composition is an aerogel substrate loaded with both a source of exciting radiation, such as tritium, and a component capable of interacting with the exciting radiation, e.g., a phosphor, to produce radiation of a second energy.

Research Organization:
AT&T
DOE Contract Number:
AC04-76DP00789
Assignee:
United States of America as represented by United States (Washington, DC)
Patent Number(s):
US 5137659
OSTI ID:
868429
Country of Publication:
United States
Language:
English

References (6)

Scintillation Counters journal January 1954
Phosphors Versus the Periodic System of the Elements journal May 1944
Development and Applications of Transparent Cathode-Ray Screens journal July 1958
The Efficiency of Cathode-Ray Phosphors journal January 1970
The Efficiency of Cathode-Ray Phosphors journal January 1970
Radioisotope-Powered Photovoltaic Generator journal May 1979