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Nonoxide Sol-Gel Synthesis of Terbium-Doped Silicon Nitride Phosphors

Nonoxide Sol-Gel Synthesis of Terbium-Doped Silicon Nitride Phosphors
Nonoxide Sol-Gel Synthesis of Terbium-Doped Silicon Nitride Phosphors
Exposure of solutions of Tb(N(SiMe3)2)3 with SiCl(NEt2)3 in tetrahydrofuran to dry ammonia results in polymeric xerogels. Heating these gels in ammonia leads to amorphous Tb:SiNx phosphors that exhibit bright green luminescence under UV irradiation. MAS-NMR and combustion analysis reveal that the phosphors are silicon nitride materials analogous to those typically produced by sol–gel routes. Photoluminescence behavior is similar to that of Tb:SiNx or Tb:SiO2 films produced by ion implantation that show good electroluminescence activity.
0002-7820
1069-1073
Hassan, Shereen
c033f522-9ce1-4c42-9f74-22571c8d5674
Carravetta, Marina
1b12fa96-4a6a-4689-ab3b-ccc68f1d7691
Hector, Andrew L.
f19a8f31-b37f-4474-b32a-b7cf05b9f0e5
Stebbings, Laura A.
0b47ea19-8aa8-49f0-aee5-076c2f4a1cc0
Hassan, Shereen
c033f522-9ce1-4c42-9f74-22571c8d5674
Carravetta, Marina
1b12fa96-4a6a-4689-ab3b-ccc68f1d7691
Hector, Andrew L.
f19a8f31-b37f-4474-b32a-b7cf05b9f0e5
Stebbings, Laura A.
0b47ea19-8aa8-49f0-aee5-076c2f4a1cc0

Hassan, Shereen, Carravetta, Marina, Hector, Andrew L. and Stebbings, Laura A. (2009) Nonoxide Sol-Gel Synthesis of Terbium-Doped Silicon Nitride Phosphors. Journal of the American Ceramic Society, 93 (4), 1069-1073. (doi:10.1111/j.1551-2916.2009.03499.x).

Record type: Article

Abstract

Exposure of solutions of Tb(N(SiMe3)2)3 with SiCl(NEt2)3 in tetrahydrofuran to dry ammonia results in polymeric xerogels. Heating these gels in ammonia leads to amorphous Tb:SiNx phosphors that exhibit bright green luminescence under UV irradiation. MAS-NMR and combustion analysis reveal that the phosphors are silicon nitride materials analogous to those typically produced by sol–gel routes. Photoluminescence behavior is similar to that of Tb:SiNx or Tb:SiO2 films produced by ion implantation that show good electroluminescence activity.

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Published date: 16 December 2009

Identifiers

Local EPrints ID: 145935
URI: http://eprints.soton.ac.uk/id/eprint/145935
ISSN: 0002-7820
PURE UUID: ec0d959e-350f-4d52-a512-5394da0deba1
ORCID for Marina Carravetta: ORCID iD orcid.org/0000-0002-6296-2104
ORCID for Andrew L. Hector: ORCID iD orcid.org/0000-0002-9964-2163

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Date deposited: 20 Apr 2010 09:39
Last modified: 20 Jul 2019 01:16

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Contributors

Author: Shereen Hassan
Author: Laura A. Stebbings

University divisions

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