Enhanced luminescence of Y3Al5O12:Ce3+ nanophosphor for white light-emitting diodes

Results pertaining to the development of highly dispersible stand-alone particles of Ce3+-doped Y3Al5O12 nanophosphor and their luminescence are presented. The yellow light-emitting nanophosphor was produced as a result of a single-step auto-combustion process, which requires no auxiliary annealing...

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Published in:Applied physics letters 2006-10, Vol.89 (17)
Main Authors: Haranath, D., Chander, Harish, Sharma, Pooja, Singh, Sukhvir
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Language:English
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creator Haranath, D.
Chander, Harish
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Singh, Sukhvir
description Results pertaining to the development of highly dispersible stand-alone particles of Ce3+-doped Y3Al5O12 nanophosphor and their luminescence are presented. The yellow light-emitting nanophosphor was produced as a result of a single-step auto-combustion process, which requires no auxiliary annealing treatments prior to any practical application. The structure, photoluminescence, and chromaticity of the powder nanophosphor samples with the compositions Y(3−x)Al5O12:xCe3+ (x=0.01–1) are featured in the letter. The nanophosphor absorbs light efficiently in the visible region of 400–500nm, and shows single broadband emission peaking at ∼560nm. The luminescence yield is almost analogous to the samples made from other conventional methods. Hence, it could be an apt candidate for generating white light when coupled to a blue light-emitting diode (λem=450nm).
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title Enhanced luminescence of Y3Al5O12:Ce3+ nanophosphor for white light-emitting diodes
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