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Size-dependent emission efficiency and luminescence characteristics of YBO3:Tb3+ nanocrystals under vacuum ultraviolet excitations
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10.1063/1.4751335
/content/aip/journal/jap/112/5/10.1063/1.4751335
http://aip.metastore.ingenta.com/content/aip/journal/jap/112/5/10.1063/1.4751335
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

X-ray diffraction spectra of YBO3:Tb3+ nanocrystals.

Image of FIG. 2.
FIG. 2.

(a) Representative TEM images of YBO3:Tb3+ nanocrystals annealed at 600 °C whereas (b) shows the representative EDX spectra for 20% Tb3+ doped YBO3 samples.

Image of FIG. 3.
FIG. 3.

Determination of quenching concentration of YBO3:Tb3+ nanocrystals (samples annealed at 600 °C) by monitoring the emissions of 5D47F5.

Image of FIG. 4.
FIG. 4.

VUV-PL spectra of YBO3:Tb3+ nanocrystals under 147 nm excitation. Inset shows digital photograph, taken in UV lamp, of a layer of as prepared YBO3:Tb3+ nanocrystals (∼6 nm size).

Image of FIG. 5.
FIG. 5.

Maximum luminescence intensity as function of particle size showing nonlinear luminescence enhancement in nano-regime.

Image of FIG. 6.
FIG. 6.

CIE color coordinates for YBO3:Tb3+ nanocrystals (size ∼ 6 nm).

Image of FIG. 7.
FIG. 7.

Configuration coordinate model of Tb3+ in case of nanocrystals and bulk phosphor.

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/content/aip/journal/jap/112/5/10.1063/1.4751335
2012-09-12
2014-04-21
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Size-dependent emission efficiency and luminescence characteristics of YBO3:Tb3+ nanocrystals under vacuum ultraviolet excitations
http://aip.metastore.ingenta.com/content/aip/journal/jap/112/5/10.1063/1.4751335
10.1063/1.4751335
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