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Synthesis of europium-doped yttrium hydroxide and yttrium oxide nanosheets

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Abstract

A new approach has been developed for the preparation of Y(OH)3:Eu and Y2O3:Eu nanosheets using the sol–gel method and hydrothermal reactions. XRD patterns showed that the product was purely hexagonal-phase Y(OH)3. TEM images revealed that the nanosheets are square shaped (1 × 1 μm2) with a thickness of several tens of nanometers. In addition, it was found that cubic-phase Y2O3 nanosheets can be obtained by calcination of Y(OH)3 at 900 °C for 1 h. More importantly, the thus-prepared Y(OH)3:Eu and Y2O3:Eu nanosheet phosphors were found to exhibit a relatively high photoluminescence (PL) intensity.

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Authors and Affiliations

  1. National Institute of Advanced Industrial Science and Technology (AIST), 2266-98 Anagahora, Shimoshidami, Moriyama-ku, Nagoya, 463-8560, Japan

    Atsuya Towata, Kyuichi Yasui, Toru Tuziuti, Teruyuki Kozuka & Yasuo Iida

  2. Bharathidasan Institute of Technology, Bharathidasan University, Trichy, 620 024, India

    Manickam Sivakumar

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  1. Atsuya Towata
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  2. Manickam Sivakumar
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  3. Kyuichi Yasui
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  4. Toru Tuziuti
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  5. Teruyuki Kozuka
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  6. Yasuo Iida
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Correspondence to Atsuya Towata.

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Towata, A., Sivakumar, M., Yasui, K. et al. Synthesis of europium-doped yttrium hydroxide and yttrium oxide nanosheets. J Mater Sci 43, 1214–1219 (2008). https://doi.org/10.1007/s10853-007-2287-1

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  • DOI: https://doi.org/10.1007/s10853-007-2287-1

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