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

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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.

Document Type: Research Article

DOI: http://dx.doi.org/10.1111/j.1551-2916.2009.03499.x

Affiliations: School of Chemistry, University of Southampton, Highfield, Southampton SO17 1BJ, U.K.

Publication date: April 1, 2010

bsc/jace/2010/00000093/00000004/art00032
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