Fluorescent and cathodoluminescent phosphors structurally related to sodalite
Abstract
Blue, quantum-confined phosphors are disclosed for field-emission displays made by reducing metal (M) sulfoaluminates at high temperature. This yields phases of the type M{sub 4}(AlO{sub 2}){sub 6}S. Bulk sulfide contaminant mixed with the reduced sulfoaluminate phase is removed by treating it with a chelating agent in nonaqueous solution. A photometric cathodoluminescence efficiency of 9 lumen/watt at 1,000 V for Sr{sub 3}PbS(AlO{sub 2}){sub 6} is observed. Undoped Sr{sub 4}S(AlO){sub 6} displays 5 lumen/watt at 1,000 V, with excellent blue chromatic saturation. 2 figs.
- Inventors:
- Issue Date:
- Research Org.:
- Sandia National Laboratories (SNL), Albuquerque, NM, and Livermore, CA (United States)
- Sponsoring Org.:
- USDOE, Washington, DC (United States)
- OSTI Identifier:
- 672628
- Patent Number(s):
- 5814245
- Application Number:
- PAN: 8-827,146
- Assignee:
- Sandia Corp., Albuquerque, NM (United States)
- DOE Contract Number:
- AC04-94AL85000
- Resource Type:
- Patent
- Resource Relation:
- Other Information: PBD: 29 Sep 1998
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 36 MATERIALS SCIENCE; ALUMINIUM SULFIDES; ALUMINIUM OXIDES; PHOSPHORS; CHEMICAL PREPARATION; CATHODOLUMINESCENCE; QUANTUM EFFICIENCY; STRONTIUM SULFIDES; LEAD SULFIDES
Citation Formats
Phillips, M L.F., and Shea, L E. Fluorescent and cathodoluminescent phosphors structurally related to sodalite. United States: N. p., 1998.
Web.
Phillips, M L.F., & Shea, L E. Fluorescent and cathodoluminescent phosphors structurally related to sodalite. United States.
Phillips, M L.F., and Shea, L E. Tue .
"Fluorescent and cathodoluminescent phosphors structurally related to sodalite". United States.
@article{osti_672628,
title = {Fluorescent and cathodoluminescent phosphors structurally related to sodalite},
author = {Phillips, M L.F. and Shea, L E},
abstractNote = {Blue, quantum-confined phosphors are disclosed for field-emission displays made by reducing metal (M) sulfoaluminates at high temperature. This yields phases of the type M{sub 4}(AlO{sub 2}){sub 6}S. Bulk sulfide contaminant mixed with the reduced sulfoaluminate phase is removed by treating it with a chelating agent in nonaqueous solution. A photometric cathodoluminescence efficiency of 9 lumen/watt at 1,000 V for Sr{sub 3}PbS(AlO{sub 2}){sub 6} is observed. Undoped Sr{sub 4}S(AlO){sub 6} displays 5 lumen/watt at 1,000 V, with excellent blue chromatic saturation. 2 figs.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {1998},
month = {9}
}
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