Synthesis, characterization and luminescence of Eu3+-doped SrZrO3 nanocrystals

Zhang, Aiyu; Lü, Mengkai; Zhou, Guangjun; Zhou, Yuanyuan; Qiu, Zifeng; Ma, Qian

doi:10.1016/j.jallcom.2008.01.030

Cited by 24 publications

(13 citation statements)

References 25 publications

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“…The emission peak at around 580 nm is probably attributed to the 5 D 0 -7 F 0 transition. This situation is similar to those of REBa 3 B 9 O 18 (RE =Lu, Tb, Gd, Eu) [25] and Eu 3 + -doped SrZrO 3 nanocrystals [26]. In Fig.…”

Section: Resultssupporting

confidence: 83%

New promising phosphors Ba3InB9O18 activated by Eu3+/Tb3+

Cai

Zheng

et al. 2010

Journal of Luminescence

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Section: Resultssupporting

confidence: 83%

New promising phosphors Ba3InB9O18 activated by Eu3+/Tb3+

Cai

Zheng

et al. 2010

Journal of Luminescence

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“…20,[23][24][25][26][27][28][29][30][31] Oxide semiconductors, doped with transition metals, have also been investigated recently due to two major reasons: either in the quest for new dilute magnetic oxides (DMO) or for new multiferroic/magneto electric systems. Substitution at both A and B sites can lead to a change in symmetry and composition and thus create various defects viz.…”

Section: Introductionmentioning

confidence: 99%

Probing local site environments and distribution of manganese in SrZrO₃:Mn; PL and EPR spectroscopy complimented by DFT calculations

et al. 2015

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In order to understand the local environment, valence state and cationic distribution of manganese ions in gel-combustion derived SrZrO 3 (SZO), a combined experimental and theoretical approach was formulated based on photoluminescence (PL), electron paramagnetic resonance (EPR) and density functional theory (DFT) calculations. An attempt was also made to investigate the same as a function of manganese ion concentration. The phase identification of the samples was confirmed using powder X-ray diffraction technique (PXRD). In all the doped compounds, manganese was found to be stabilized as divalent Mn 2+ and preferentially occupying the 8-coordinated Sr 2+ ion site. However, the proportion of manganese ions residing at zirconium sites was enhanced at higher concentrations. The cohesive energies from DFT calculations explained the stability of Mn 2+ ions at different sites. It was also observed from the density of states (DOS) that the substitution of manganese at strontium sites leads to the generation of shallow defect states, whereas that at zirconium site generates both shallow and deep defect states within the band gap of the material. A change in the host emission due to these defect states with varied concentrations of Mn 2+ was also observed, which further supported the observed cationic distribution's trend. The decrease in the band gap energy explained the red shift of the emission spectra. PL decay study also suggested the existence of shallow and deep trap states. The intensity of the EPR signal at g z 1.976, due to paramagnetic oxygen vacancies, was found to increase at higher Mn-concentration because of more substitution at Zr 4+ sites. Two additional EPR sextets with g z 1.993 and 2.013 in Mn doped SZO compounds were attributed to lattice and surface bound Mn 2+ ions, respectively, which disappeared at higher Mn-concentrations, giving a broad signal.

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“…So far only limited information is available regarding Eu 3+ -doped AZrO 3 (A = Sr, Ba) phosphors [8][9][10]. In this paper, Sr 1−x Eu x ZrO 3 and BaZr 1−x Eu x O 3 phosphors were successfully prepared by the traditional high temperature solid-state reaction.…”

Section: Introductionmentioning

confidence: 99%

Photoluminescence properties of SrZrO3:Eu3+ and BaZrO3:Eu3+ phosphors with perovskite structure

Huang

Zhou

Wang

et al. 2009

Journal of Alloys and Compounds

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Synthesis, characterization and luminescence of Eu3+-doped SrZrO3 nanocrystals

Cited by 24 publications

References 25 publications

New promising phosphors Ba3InB9O18 activated by Eu3+/Tb3+

New promising phosphors Ba3InB9O18 activated by Eu3+/Tb3+

Probing local site environments and distribution of manganese in SrZrO₃:Mn; PL and EPR spectroscopy complimented by DFT calculations

Photoluminescence properties of SrZrO3:Eu3+ and BaZrO3:Eu3+ phosphors with perovskite structure

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Synthesis, characterization and luminescence of Eu3+-doped SrZrO3 nanocrystals

Cited by 24 publications

References 25 publications

New promising phosphors Ba3InB9O18 activated by Eu3+/Tb3+

New promising phosphors Ba3InB9O18 activated by Eu3+/Tb3+

Probing local site environments and distribution of manganese in SrZrO3:Mn; PL and EPR spectroscopy complimented by DFT calculations

Photoluminescence properties of SrZrO3:Eu3+ and BaZrO3:Eu3+ phosphors with perovskite structure

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Probing local site environments and distribution of manganese in SrZrO₃:Mn; PL and EPR spectroscopy complimented by DFT calculations