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Up-conversion and near infrared luminescence in Y₂O₃: Er $^{3 +}$ , Yb $^{3 +}$ transparent ceramics

School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun, Jilin 130022, P. R. China

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Xi-Yan Zhang

School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun, Jilin 130022, P. R. China

Corresponding author.

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Zhao-Hui Bai

School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun, Jilin 130022, P. R. China

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Wei-Li Dong

School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun, Jilin 130022, P. R. China

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Hui Shi

School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun, Jilin 130022, P. R. China

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, and

Qing-Xue Xue

School of Materials Science and Engineering, Changchun University of Science and Technology, Changchun, Jilin 130022, P. R. China

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https://doi.org/10.1142/S1793604716500119Cited by:2 (Source: Crossref)

Abstract

Er $^{3 +}$ /Yb $^{3 +}$ co-doped Y₂O₃ transparent ceramics were fabricated by vacuum sintering method. The Y₂O₃: Er $^{3 +}$ :Yb $^{3 +}$ nonopowders were prepared by co-precipitation method in advance. The morphology of powders and ceramics as investigated. The powders exhibited well dispersive condition with 100nm in diameter. The compactness of ceramics increased obviously with the increasing temperature. No pore was found in the ceramic sintered at $180 0^{\circ}$ C. The ceramic samples showed intense near infrared luminescence peaking at 1535nm under the excitation of 980nm lasers, assigned to the $^{4} I_{13 ∕ 2} \to^{4} I_{15 ∕ 2}$ transition of Er $^{3 +}$ . The intense up-conversion emissions were observed under the excitation of 980nm and 1550nm lasers.

Keywords:

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