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Synthesis of New RE3+ Doped Li1+xTa1-xTixO₃ (RE: Eu, Sm, Er, Tm, and Dy) Phosphors with Various Emission Colors.

ABSTRACT: New phosphors with various emission colors for RE3+ doped Li1+xTa1-xTixO₃ (LTT) (RE: Eu, Sm, Er, Tm, and Dy) were synthesized by electric furnace at 1423 K for 15 h. The microstructure of the host material and the photoluminescence (PL) property were determined and compared to those of RE3+ doped Li1+xNb1-xTixO₃ (LNT). In the LTT phosphor, the highest PL intensity was achieved for the mixture composition Li1.11Ta0.89Ti0.11O₃ with a LiTaO₃ structure, although it has an M-phase superstructure. In the LTT host material, the effective activators were Eu3+ and Sm3+ ions, in contrast to the LNT host material. Here, we discuss the relationship between PL property and the host material's structure.

SUBMITTER: Nakano H

PROVIDER: S-EPMC5521230 | biostudies-other | 2013 Jul

REPOSITORIES: biostudies-other

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Sensors for optical thermometry based on luminescence from layered YVO<sub>4</sub>: Ln<sup>3+</sup> (Ln = Nd, Sm, Eu, Dy, Ho, Er, Tm, Yb) thin films made by atomic layer deposition.

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