Electronic structures and origin of intrinsic luminescence in Bi-containing oxide crystals BiPO4, K3Bi5(PO4)6, K2Bi(PO4)(MoO4), K2Bi(PO4)(WO4) and K5Bi(MoO4)4

Hizhnyi, Yu.; Nedilko, S.; Chornii, V.; Slobodyanik, M.S.; Zatovsky, Іgor V.; Тerebilenko, К.

doi:10.1016/j.jallcom.2014.06.111

Cited by 48 publications

(15 citation statements)

References 66 publications

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“…This also coincides with the results of other calculations. 46,47 A projection of the charge density on the (001) surface, as shown in Fig. 2, shows the advantage of this structure.…”

Section: Band Gap and Band Structure Of Nmbipmentioning

confidence: 96%

“…To increase this surface area, BiPO 4 nanocrystals were also synthesized using a high-temperature hydrolysis method, as reported by our group. 46 The particle size of the BiPO 4 nanocrystals could be controlled from the range of 9 to 200 nm by adjusting the ratio of oleic acid to bisĲ2-ethylhexyl) phosphate (OA/BEHP). The surface area of a 9 nm nanocrystal reached up to 75 m 2 g −1 , which further promoted the activity.…”

Section: Synthesismentioning

confidence: 99%

See 1 more Smart Citation

A review of BiPO₄, a highly efficient oxyacid-type photocatalyst, used for environmental applications

Pan

Zhu

2015

Catal. Sci. Technol.

130

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“…This also coincides with the results of other calculations. 46,47 A projection of the charge density on the (001) surface, as shown in Fig. 2, shows the advantage of this structure.…”

Section: Band Gap and Band Structure Of Nmbipmentioning

confidence: 96%

Section: Synthesismentioning

confidence: 99%

A review of BiPO₄, a highly efficient oxyacid-type photocatalyst, used for environmental applications

Pan

Zhu

2015

Catal. Sci. Technol.

130

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“…Therefore, we concluded that additive peaks are caused by oxide components of composites. It was confirmed by those peaks positions comparison with XRD pattern of the NaNO 2 , CsNO 3 , La 1−x Sm x VO 4 , La 1−x Eu x VO 4 , and K 2 Eu(PO 4 )(MoO 4 ) compounds [37,48,[49][50][51][52][53]. Detailed description and analysis of the similar composites XRD patterns can be found in [44].…”

Section: Xrd Analysismentioning

confidence: 66%

Polymer-Oxide Composites: Toward New Optical Materials

Nedilko

2018

Acta Phys. Pol. A

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Brief summary concerning properties of the polymer matrix incorporated with inorganic, e.g. oxide particles, micro/nanocomposites and opportunity to use these composites as optical materials for modern optics and optoelectronic devices is presented in the work. Structure and morphology of the several sets of the new polymer micro/nanocomposites based on the microcrystalline cellulose incorporated with micro/nanoparticle of various oxides (NaNO2, La1−xSmxVO4, La1−xEuxVO4 and K2Eu(PO4)(MoO4)), were prepared by "dry" and "wet" cool pressing procedure. Morphology of these composites was described as ensemble of cellulose plates and located gains of the oxide particles. Temperature dependences of complex dielectric permittivity and luminescence properties of the composites were studied. Temperature and electromagnetic field frequency dependences of the dielectric permittivity revealed influence of oxide particles on the characteristics of the microcrystalline cellulose. Both wide band (matrix emission) and narrow lines (RE ions emission) of visible luminescence (350-750 nm range) of the composites is excited in the range 250-550 nm. The luminescence characteristics displayed effect of cellulose on the electronic system of the Sm 3+ and Eu 3+ ions and effect of oxide particles on the cellulose matrix was shown, too. Spectral characteristics and high intensity of luminescence showed perspectives of studied composites to be used as light converters in LED and elsewhere as optics luminescent materials.

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“…The spectra were measured at various luminescence wavelengths, λ em , and they consist of lines related with transitions from ground 3 H 4 level to 3 P 0,1,2 multiplet of Pr 3+ ion. In fact, the optical band gap of BiPO 4 is near 4.7 eV (264 nm) [5], so only transitions related with dopant' levels in the forbidden band of BiPO 4 can be observed in this spectral range. Figure 3 shows the PL spectra of Pr 3+ -doped BiPO 4 samples under direct excitation from ground state 3 H 4 to 3 P 1 + 1 I 6 levels of Pr 3+ ions (λ ex = 473 nm).…”

Section: Luminescence Spectroscopymentioning

confidence: 99%

“…Due to good physical and chemical properties various oxide compounds have been actively studied as materials for novel devices, in particular as luminescent materials. Although some of oxide compounds manifest characteristic own luminescence [3][4][5][6], their intensity and color purity are usually far from these ones required for displays and lighting. In order to overcome this drawback the various activator ions (typically ions of transition or rare-earth (RE) metals) are introduced into oxide host to obtain desirable light performance.…”

Section: Introductionmentioning

confidence: 99%

Synthesis and Luminescence Properties of Pr³⁺-Doped BiPO₄ Polycrystals

et al. 2018

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The results of synthesis, crystal structure characterization and luminescence properties study of the Pr 3+-doped bismuth orthophosphate, BiPO4, polycrystals are reported. It was found that doping of bismuth orthophosphate with praseodymium of concentration more than 1% leads to phase transition of BiPO4 from so-called "hightemperature monoclinic" to "low-temperature monoclinic" structure. At room temperature studied samples revealed intensive red luminescence caused by radiation electronic transitions in the Pr 3+ ions under their intrinsic f → f excitation at 3 H4 → 3 P1 + 1 I6 absorption transition. Influence of phase transformation as well as multi-phonon and cross-relaxation processes on the luminescence of the Pr 3+-doped BiPO4 compounds were discussed.

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Electronic structures and origin of intrinsic luminescence in Bi-containing oxide crystals BiPO4, K3Bi5(PO4)6, K2Bi(PO4)(MoO4), K2Bi(PO4)(WO4) and K5Bi(MoO4)4

Cited by 48 publications

References 66 publications

A review of BiPO₄, a highly efficient oxyacid-type photocatalyst, used for environmental applications

A review of BiPO₄, a highly efficient oxyacid-type photocatalyst, used for environmental applications

Polymer-Oxide Composites: Toward New Optical Materials

Synthesis and Luminescence Properties of Pr³⁺-Doped BiPO₄ Polycrystals

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Electronic structures and origin of intrinsic luminescence in Bi-containing oxide crystals BiPO4, K3Bi5(PO4)6, K2Bi(PO4)(MoO4), K2Bi(PO4)(WO4) and K5Bi(MoO4)4

Cited by 48 publications

References 66 publications

A review of BiPO4, a highly efficient oxyacid-type photocatalyst, used for environmental applications

A review of BiPO4, a highly efficient oxyacid-type photocatalyst, used for environmental applications

Polymer-Oxide Composites: Toward New Optical Materials

Synthesis and Luminescence Properties of Pr3+-Doped BiPO4 Polycrystals

Contact Info

Product

Resources

About

A review of BiPO₄, a highly efficient oxyacid-type photocatalyst, used for environmental applications

A review of BiPO₄, a highly efficient oxyacid-type photocatalyst, used for environmental applications

Synthesis and Luminescence Properties of Pr³⁺-Doped BiPO₄ Polycrystals