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Eu2+, Eu3+and Sm3+emission in SrAl12O19phosphors prepared via combustion synthesis

✍ Scribed by Singh, Vijay ;Zhu, Jun-Jie ;Natarajan, V.

Publisher
John Wiley and Sons
Year
2006
Tongue
English
Weight
197 KB
Volume
203
Category
Article
ISSN
0031-8965

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✦ Synopsis

Abstract

Strontium hexa‐aluminate phosphors activated with Eu^3+^ and Sm^3+^ ions were produced at low temperatures (500 Β°C) by the combustion of corresponding metal nitrate–urea mixtures over a period of 5 min. Powder X‐ray diffraction characterization and photoluminescence studies of these samples were carried out. It was found that co‐doping of Sm^3+^ ions helps in the partial reduction of Eu^3+^ ions to Eu^2+^ ions in SrAl~12~O~19~. (Β© 2006 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim)

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