Photoluminescent ZrO2:Eu3+ nanofibers prepared via electrospinning

Adi Bagus Suryamas, Muhammad Miftahul Munir, Takashi Ogi, Christopher J. Hogan, Kikuo Okuyama

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Abstract

Europium-doped zirconium oxide (ZrO2:Eu3+) nanofibers were prepared via electrospinning, in which a mixture of zirconium chloride oxide octahydrate, europium nitrate hexahydrate, poly(vinyl pyrrolidone), dimethylformamide, and ethanol were electrospun at atmospheric conditions. Subsequent calcination to produce ZrO2:Eu3+ nanofibers with diameters around 300 nm. The crystal structure and photoluminescence of the ZrO2:Eu3+ nanofibers were studied as a function of dopant concentration and heating temperature. At a dopant concentration of 5 mol %, tetragonal phase crystals were observed. Photoluminescence spectra revealed several emission bands in the red region corresponding to the transition of 5D07FJ (J = 1; 2; 3; 4). Two most intense emission bands were observed at wavelengths of 606 and 591nm due to the forced electric dipole (5D07F2) and magnetic dipole (5D07F1) transitions, respectively. This work demonstrates that one-dimensional photoluminescent materials can be generated by a two step electrospinning and calcination process.

Original languageEnglish (US)
Article number115003
JournalJapanese Journal of Applied Physics
Volume49
Issue number11
DOIs
StatePublished - Nov 2010

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