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Novel color-tunable Gd2O2CN2:Tb3+, Eu3+ phosphors: Characterization and photoluminescence properties

Abstract : In this paper, color-tunable Gd2O2CN2:Tb3+, Eu3+ phosphors were obtained by co-doping Eu3+ and Tb3+ ions into Gd2O2CN2 host and singly varying the Eu3+ doping concentration. The characteristics of the crystal structure, photoluminescence lifetime and photoluminescence of Tb3+, Eu3+ single-doped and Tb3+and Eu3+ co-doped Gd2O2CN2, were carefully investigated by XRD, FTIR, PL decay curves and photoluminescence (PL). The results indicated that Tb3+ single-doped Gd2O2CN2 phosphor show a green emission, and by increasing Eu3+ content, Gd2O2CN2:Tb3+, Eu3+ phosphors emit green to orange and then to red light under the excitation of 379 nm
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Submitted on : Thursday, September 8, 2016 - 3:27:33 PM
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Shuanglong Yuan, Luting Wang, Yunxia Yang, François Cheviré, Franck Tessier, et al.. Novel color-tunable Gd2O2CN2:Tb3+, Eu3+ phosphors: Characterization and photoluminescence properties. Ceramics International, Elsevier, 2016, 42 (10), pp.12508-12511. ⟨10.1016/j.ceramint.2016.04.059⟩. ⟨hal-01302508⟩

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