Materials science communication: Preparation and photoluminescence properties of Eu-doped Ga2O3 nanorods

GaOOH:Eu3+ nanorods with different aspect ratios were prepared by hydrothermal method at 140 deg C. - and beta-Ga2O3:Eu3+ were converted from as-prepared GaOOH:Eu3+ particles by calcination at 500 and 850 deg C, respectively. The products were characterized with X-ray diffraction (XRD), transmission...

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Published in:Materials chemistry and physics 2008-08, Vol.110 (2-3), p.206-211
Main Authors: Liu, Guocong, Duan, Xuechen, Li, Haibin, Liang, Dawen
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Duan, Xuechen
Li, Haibin
Liang, Dawen
description GaOOH:Eu3+ nanorods with different aspect ratios were prepared by hydrothermal method at 140 deg C. - and beta-Ga2O3:Eu3+ were converted from as-prepared GaOOH:Eu3+ particles by calcination at 500 and 850 deg C, respectively. The products were characterized with X-ray diffraction (XRD), transmission electron microscope (TEM) and photoluminescence (PL). Results show that solution pH values play a key role in the formation of the GaOOH:Eu3+ powders with different morphologies and - and beta-Ga2:Eu3+ inherit the morphology of GaOOH:Eu3+ exactly. The photoluminescence characteristics of beta-Ga2O3:Eu3+ were also investigated. Experimental results reveal that the color purity of beta-Ga2O3:Eu3+ nanorods with high aspect ratio is enhanced in comparison with beta-Ga2O3:Eu3+ nanorods with low aspect ratio.
doi_str_mv 10.1016/j.matchemphys.2008.02.012
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