Fabrication of highly a-axis-oriented Gd2O3:Eu3+ thick film and its luminescence properties

Liu, Xiaolin; Zhou, Fengqun; Gu, Ming; Huang, Shiming; Liu, Bo; Ni, Chen

doi:10.1016/j.optmat.2008.02.001

Cited by 52 publications

(16 citation statements)

References 16 publications

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“…According to literature [28] the oxides are characterized by an indirect allowed electronic transition and hence, the k = 2 value was adopted as standard in Eq. (3).…”

Section: Resultsmentioning

confidence: 99%

Effect of Li+-ion on enhancement of photoluminescence in Gd2O3:Eu3+ nanophosphors prepared by combustion technique

Dhananjaya

Nagabhushana

et al. 2011

Journal of Alloys and Compounds

138

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a b s t r a c tGd 2 O 3 :Eu 3+ (4 mol%) nanophosphor co-doped with Li + ions have been synthesized by low-temperature solution combustion technique in a short time. Powder X-ray diffractometer (PXRD), scanning electron microscopy (SEM), Fourier transform infrared spectroscopy (FT-IR), UV-VIS and photoluminescence (PL) techniques have been employed to characterize the synthesized nanoparticles. It is found that the lattice of Gd 2 O 3 :Eu 3+ phosphor transforms from monoclinic to cubic as the Li + -ions are doped. Upon 254 nm excitation, the phosphor showed characteristic luminescence 5 D 0 → 7 F J (J = 0-4) of the Eu 3+ ions. The electronic transition located at 626 nm ( 5 D 0 → 7 F 2 ) of Eu 3+ ions was stronger than the magnetic dipole transition located at 595 nm ( 5 D 0 → 7 F 1 ). Furthermore, the effects of the Li + co-doping as well as calcinations temperature on the PL properties have been studied. The results show that incorporation of Li + ions in Gd 2 O 3 :Eu 3+ lattice could induce a remarkable improvement of their PL intensity. The emission intensity was observed to be enhanced four times than that of with out Li + -doped Gd 2 O 3 :Eu 3+ .

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“…According to literature [28] the oxides are characterized by an indirect allowed electronic transition and hence, the k = 2 value was adopted as standard in Eq. (3).…”

Section: Resultsmentioning

confidence: 99%

Effect of Li+-ion on enhancement of photoluminescence in Gd2O3:Eu3+ nanophosphors prepared by combustion technique

Dhananjaya

Nagabhushana

et al. 2011

Journal of Alloys and Compounds

138

View full text Add to dashboard Cite

show abstract

“…Because oxides are characterized by indirect allowed electronic transitions, the value of n becomes 2 [19]. Extrapolating the linear portion of the curve to (ߙhν) 2 =0 determines the optical band gap energy.…”

Section: Optical Band Gap Studiesmentioning

confidence: 99%

Structural and magnetic studies of Mg(1−x)ZnxFe2O4 nanoparticles prepared by a solution combustion method

Choodamani¹,

Nagabhushana²,

Ashoka³

et al. 2013

Journal of Alloys and Compounds

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“…2f indicates that the Ni 2+ doped CdSiO 3 is single crystalline in nature. The direct optical energy band gap (E g ) of un-doped and Ni 2+ doped (1-7 mol%) CdSiO 3 were estimated using Tauc relation [26] aðhyÞ $ ðhy À E g Þ 1=k ;…”

Section: Transmission Electron Microscopymentioning

confidence: 99%

Structural characterization, EPR and thermoluminescence properties of Cd1−xNixSiO3 nanocrystalline phosphors

Manjunatha

Sunitha

Nagabhushana

et al. 2012

Materials Research Bulletin

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Fabrication of highly a-axis-oriented Gd2O3:Eu3+ thick film and its luminescence properties

Cited by 52 publications

References 16 publications

Effect of Li+-ion on enhancement of photoluminescence in Gd2O3:Eu3+ nanophosphors prepared by combustion technique

Effect of Li+-ion on enhancement of photoluminescence in Gd2O3:Eu3+ nanophosphors prepared by combustion technique

Structural and magnetic studies of Mg(1−x)ZnxFe2O4 nanoparticles prepared by a solution combustion method

Structural characterization, EPR and thermoluminescence properties of Cd1−xNixSiO3 nanocrystalline phosphors

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