Synthesis of Nanocrystals of Long Persisting Phosphor by Modified Combustion Technique

Details Synthesis of Nanocrystals of Long Persisting Phosphor by Modified Combustion Technique Synthesis of Nanocrystals of Long Persisting Phosphor by Modified Combustion Technique

2004-05-06

arxiv.org/abs/cond-mat/0405110v1

Physics

Condensed Matter

Materials Science

15 pages with figures. Submitted to Journal of Crystal Growth

Scientific paper

10.1016/j.jcrysgro.2004.07.026

Synthesis and characterization of Nanocrystalline long persistent SrAl2O4:Eu2+, Dy3+ phosphor via a modified combustion process has been presented in the paper. In this synthesis process, a mixture of respective metal nitrates, flux and combustible agent (urea/camphor) were thermally treated with slight modification at 400-600oC for about 5 minutes. It resulted in low-density voluminous mass in contrast to a solid lump by conventional solid-state method. The present work reports the changes made in the combustion process to achieve the homogenous incorporation of dopants and large-scale production of the nanophosphor in a short interval of time. The samples have been characterized for nanophase, structural and luminescent properties. PACS Code: 33.50.-j, 33.50.Dq, 78.55.-m, 68.37.Hk

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