Electro-deposition of Y2O3:Eu thin film phosphor and its luminescent properties |
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Authors: | L Wang |
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Affiliation: | Materials Engineering Center, Zhejiang Sci-Tech University, Hangzhou, Zhejiang Province, 310018, China |
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Abstract: | Y2O3:Eu3+ red-emitting thin film phosphor was prepared by a two-step process: the cathodical deposition of thin film of yttrium hydroxide and europium hydroxide followed by an annealing process to achieve Eu3+ doped Y2O3 film. It is found that the atomic content of Eu3+ can be well controlled by simply adjusting the volume ratio of Y(NO3)3 to Eu(NO3)3 solutions. Dependence of the photoluminescence intensity on the atomic content of Eu3+ in Y2O3 was also studied. The best photoluminescence performance of Y2O3:Eu3+ thin film phosphor was achieved as atomic content of Eu3+ equal to 1.85 at.%. |
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Keywords: | Y2O3:Eu3+ Thin film phosphor Electro-deposition Photoluminescence Concentration quenching |
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