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Blue and yellow luminescence of GaN nanocrystals-doped SiO2 matrix

✍ Scribed by M. Bouguerra; M.A. Belkhir; D. Chateigner; M. Samah; L. Gerbous; G. Nouet

Publisher
Elsevier Science
Year
2008
Tongue
English
Weight
849 KB
Volume
41
Category
Article
ISSN
1386-9477

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## Abstract In this article we demonstrate the synthesis of Eu^2+^‐doped GaN/SiO~2~ nanocomposites using a simple solid state reaction and their use in light‐emitting devices. The nanocomposite exhibits a bright blue luminescence when excited in the UV region (quantum yield = 23 %). The origin of t