γ-Al2O3 nanospheres-directed synthesis of monodispersed BaAl2O4:Eu2+ nanosphere phosphors

Ik Jae Park; Hee-Suk Roh; Hee Jo Song; Dong Hoe Kim; Ju Seong Kim; Won Mo Seong; Dong-Wan Kim; Kug Sun Hong

doi:10.1039/C3CE40190A

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γ-Al₂O₃ nanospheres-directed synthesis of monodispersed BaAl₂O₄:Eu²⁺ nanosphere phosphors†

Ik Jae Park,^a Hee-Suk Roh,^a Hee Jo Song,^a Dong Hoe Kim,^a Ju Seong Kim,^a Won Mo Seong,^a Dong-Wan Kim*^b and Kug Sun Hong*^a

Author affiliations

* Corresponding authors

^a School of Materials Science and Engineering, Seoul National University, Daehak-dong, Kwanak-gu, Seoul 151-744, Korea
E-mail: kshongss@plaza.snu.ac.kr

^b Department of Materials Science and Engineering, Ajou University, Suwon 443-749, Korea
E-mail: dwkim@ajou.ac.kr

Abstract

Monodispersed BaAl₂O₄:Eu²⁺ nanospheres with 180 nm size were synthesized through forced hydrolysis using γ-Al₂O₃ nanospheres as a template followed by a subsequent heat treatment. The incorporation of a barium precursor onto an individual γ-Al₂O₃ template nanosphere was optimized by controlling the reaction time. The photoluminescence properties of the BaAl₂O₄:Eu²⁺ nanospheres were comparable to those of the bulk counterpart prepared at 1300 °C through a conventional solid-state reaction method.

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Article information

DOI: https://doi.org/10.1039/C3CE40190A
Article type: Communication
Submitted: 29 Jan 2013
Accepted: 15 Apr 2013
First published: 15 Apr 2013

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CrystEngComm, 2013,15, 4797-4801

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γ-Al₂O₃ nanospheres-directed synthesis of monodispersed BaAl₂O₄:Eu²⁺ nanosphere phosphors

I. J. Park, H. Roh, H. J. Song, D. H. Kim, J. S. Kim, W. M. Seong, D. Kim and K. S. Hong, CrystEngComm, 2013, 15, 4797 DOI: 10.1039/C3CE40190A

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