Synthesis and morphology control of YBO&lt;sub&gt;3&lt;/sub&gt;:Tb&lt;sup&gt;3+&lt;/sup&gt; green phosphor by precipitation from homogeneous solution

Naruse, Noriyuki; Tomita, Koji; Iwaoka, Michio; Kakihana, Masato

doi:10.2109/jcersj2.121.502

Cited by 4 publications

(3 citation statements)

References 15 publications

(5 reference statements)

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“…Cubical YBO 3 :Tb particles with sizes ranging from 700 to 2000 nm were synthesized. 19) After the precipitation reaction, the pH of the solution is increased by the hydrolysis reaction of the remaining urea. As evident in Fig.…”

Section: Morphology Control Of Photofunctional Ceramic Particles Prepmentioning

confidence: 99%

Synthesis of photofunctional ceramics by various solution processes

Tomita¹

2013

J. Ceram. Soc. Japan

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In this study, photofunctional ceramics such as phosphors and photocatalysts were synthesized by various solution methods. Titanium oxide (TiO 2 ) photocatalysts were synthesized via hydrothermal reactions of water-soluble titanium complexes. Singlephase anatase, rutile, brookite, and bronze were prepared using different pH levels and ligands. Thin films fabricated from bronze-phase TiO 2 showed photoinduced hydrophilicity, and the hydrophilic state was maintained for 5 days in darkness. Y 2 O 3 :Eu and YBO 3 :Tb phosphors with spherical, hexagonal-plate, and cubical shapes were prepared by precipitation from homogeneous solutions; nanoparticles of these oxides were also prepared. The morphology of the prepared Ag 3 PO 4 photocatalyst particles was controlled to be rhombic dodecahedral, dodecapodal, or tetrapodal by precipitation from homogeneous solutions. Oxide up-conversion phosphors were investigated, and CeO 2 doped with Yb, Er, Ho, or Tm by parallel synthesis using the polymerizable complex method was found to be a superior polychromatic up-conversion phosphor.

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Section: Morphology Control Of Photofunctional Ceramic Particles Prepmentioning

confidence: 99%

Synthesis of photofunctional ceramics by various solution processes

Tomita¹

2013

J. Ceram. Soc. Japan

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“…Rare earth Eu 3+ [4][5][6][7] or Tb 3+ [8][9][10][11] doped orthoborates as red/green phosphors are good luminescence materials and used in flat displays, mercury-free fluorescent tubes for decades. Triclinic samarium borate as an orthoborate was also researched for its optical properties.…”

Section: Introductionmentioning

confidence: 99%

Regulation on the synthesis temperature and optical properties of SmBO3 prepared by chloride fluxes assisted the solid state reaction method

Han

Jiang

2015

Advanced Powder Technology

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“…On the other hand, homogeneous distribution of the Eu 2+ activators in given host materials is one of the important factors in order to achieve high luminescence efficiency. Solution-based processes are potential methods to achieve homogeneous distribution of the activators [11][12][13][14][15][16][17][18]. Our research group recently has succeeded in improvements of emission intensities for oxynitride phosphors,…”

Section: Introductionmentioning

confidence: 99%

Synthesis of a Novel Bluish-Green Emitting Oxynitride Ca3Al8Si4O17N4:Eu2+ Phosphor in a CaAl4-xSixO7-xNx Solid Solution S

Kim¹,

Kato²,

Kobayashi³

et al. 2013

OPJ

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Synthesis of oxynitride solid solutions CaAl 4−x Si x O 7−x N x :Eu 2+ (x = 0-4) was attempted by the solid state reaction (SSR) methods using Si 3 N 4 and AlN as nitrogen sources. The Ca 3 Al 8 Si 4 O 17 N 4 (x = 4/3) sample with the high phase purity was obtained when AlN was used as a nitrogen source whereas the sample synthesized using Si 3 N 4 as another nitrogen source contained a Ca 2 Al 2 SiO 7 impurity. Thus, it was revealed that AlN was a preferable nitrogen source for the synthesis of Ca 3 Al 8 Si 4 O 17 N 4 by the SSR method. The solid solutions around x = 4/3 activated with Eu 2+ exhibited bluish-green luminescence with emission maxima at 480 nm by the excitation at 250-450 nm. Thus, the CaAl 4-x Si x O 7-x N x : Eu 2+ solid solutions especially for Ca 3 Al 8 Si 4 O 17 N 4 :Eu 2+ (x = 4/3) were developed as novel Eu 2+-activated oxynitride phosphors capable of the excitation by the near ultraviolet (NUV) LEDs.

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Synthesis and morphology control of YBO<sub>3</sub>:Tb<sup>3+</sup> green phosphor by precipitation from homogeneous solution

Cited by 4 publications

References 15 publications

Synthesis of photofunctional ceramics by various solution processes

Synthesis of photofunctional ceramics by various solution processes

Regulation on the synthesis temperature and optical properties of SmBO3 prepared by chloride fluxes assisted the solid state reaction method

Synthesis of a Novel Bluish-Green Emitting Oxynitride Ca<sub>3</sub>Al<sub>8</sub>Si<sub>4</sub>O<sub>17</sub>N<sub>4</sub>:Eu<sup>2+</sup> Phosphor in a CaAl<sub>4-x</sub>Si<sub>x</sub>O<sub>7-x</sub>N<sub>x</sub> Solid Solution S

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