Green emissions from green-colored Y2 BaMO5

Tb (M=Cu, Zn) materials as inorganic luminescent pigments

Shoji Kunimi, Shinobu Fujihara

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Photoluminescence and coloring properties of Tb3+ -doped Y 2 BaMO5 (M=Cu, Zn) were investigated for developing an inorganic luminescent pigment. Powder samples were synthesized by three kinds of methods, namely, a simple solid-state reaction, a stepwise solid-state reaction, and a precipitation. Y2 BaZnO5: Tb3+ obtained by the simple solid-state reaction showed green emissions under UV light irradiation. However, substitution of Cu2+ for Zn2+ to give the material a green color led to the quenching of the green emissions from Tb3+. The distance between Tb3+ and Cu2+ was assumed to play a crucial role in luminescence behavior due to the occurrence of Tb 3+ - Cu2+ energy transfer in this system. We then changed the synthesis method from the conventional solid-state reaction to the precipitation method based on solution chemistry. In this latter method, green-colored, green-luminescent phosphors could be obtained successfully because the coloring Cu2+ ions and the emitting Tb3+ ions were separated in the particle.

Original languageEnglish
JournalJournal of the Electrochemical Society
Volume157
Issue number5
DOIs
Publication statusPublished - 2010

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pigments
Solid state reactions
Pigments
solid state
Coloring
Ions
Ultraviolet radiation
Phosphors
Powders
Energy transfer
phosphors
Luminescence
Quenching
Photoluminescence
ions
Substitution reactions
energy transfer
quenching
Irradiation
occurrences

ASJC Scopus subject areas

  • Electrochemistry
  • Electronic, Optical and Magnetic Materials
  • Materials Chemistry
  • Surfaces, Coatings and Films
  • Renewable Energy, Sustainability and the Environment
  • Condensed Matter Physics

Cite this

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title = "Green emissions from green-colored Y2 BaMO5: Tb (M=Cu, Zn) materials as inorganic luminescent pigments",
abstract = "Photoluminescence and coloring properties of Tb3+ -doped Y 2 BaMO5 (M=Cu, Zn) were investigated for developing an inorganic luminescent pigment. Powder samples were synthesized by three kinds of methods, namely, a simple solid-state reaction, a stepwise solid-state reaction, and a precipitation. Y2 BaZnO5: Tb3+ obtained by the simple solid-state reaction showed green emissions under UV light irradiation. However, substitution of Cu2+ for Zn2+ to give the material a green color led to the quenching of the green emissions from Tb3+. The distance between Tb3+ and Cu2+ was assumed to play a crucial role in luminescence behavior due to the occurrence of Tb 3+ - Cu2+ energy transfer in this system. We then changed the synthesis method from the conventional solid-state reaction to the precipitation method based on solution chemistry. In this latter method, green-colored, green-luminescent phosphors could be obtained successfully because the coloring Cu2+ ions and the emitting Tb3+ ions were separated in the particle.",
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TY - JOUR

T1 - Green emissions from green-colored Y2 BaMO5

T2 - Tb (M=Cu, Zn) materials as inorganic luminescent pigments

AU - Kunimi, Shoji

AU - Fujihara, Shinobu

PY - 2010

Y1 - 2010

N2 - Photoluminescence and coloring properties of Tb3+ -doped Y 2 BaMO5 (M=Cu, Zn) were investigated for developing an inorganic luminescent pigment. Powder samples were synthesized by three kinds of methods, namely, a simple solid-state reaction, a stepwise solid-state reaction, and a precipitation. Y2 BaZnO5: Tb3+ obtained by the simple solid-state reaction showed green emissions under UV light irradiation. However, substitution of Cu2+ for Zn2+ to give the material a green color led to the quenching of the green emissions from Tb3+. The distance between Tb3+ and Cu2+ was assumed to play a crucial role in luminescence behavior due to the occurrence of Tb 3+ - Cu2+ energy transfer in this system. We then changed the synthesis method from the conventional solid-state reaction to the precipitation method based on solution chemistry. In this latter method, green-colored, green-luminescent phosphors could be obtained successfully because the coloring Cu2+ ions and the emitting Tb3+ ions were separated in the particle.

AB - Photoluminescence and coloring properties of Tb3+ -doped Y 2 BaMO5 (M=Cu, Zn) were investigated for developing an inorganic luminescent pigment. Powder samples were synthesized by three kinds of methods, namely, a simple solid-state reaction, a stepwise solid-state reaction, and a precipitation. Y2 BaZnO5: Tb3+ obtained by the simple solid-state reaction showed green emissions under UV light irradiation. However, substitution of Cu2+ for Zn2+ to give the material a green color led to the quenching of the green emissions from Tb3+. The distance between Tb3+ and Cu2+ was assumed to play a crucial role in luminescence behavior due to the occurrence of Tb 3+ - Cu2+ energy transfer in this system. We then changed the synthesis method from the conventional solid-state reaction to the precipitation method based on solution chemistry. In this latter method, green-colored, green-luminescent phosphors could be obtained successfully because the coloring Cu2+ ions and the emitting Tb3+ ions were separated in the particle.

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