Nanotech 2006 Vol. 1
Nanotech 2006 Vol. 1
Technical Proceedings of the 2006 NSTI Nanotechnology Conference and Trade Show, Volume 1

Characterization Chapter 8

Sol-gel synthesis and photoluminescent characteristics of Eu doped Gd2O3 nanophosphors

Authors: C.C. Lin, K.M. Lin and Y.Y. Li

Affilation: National Chung Cheng University, Taiwan

Pages: 808 - 811

Keywords: nanophosphor powders sol-gel process photoluminescence

Eu-ion doped Gd2O3 nanophosphor powders were prepared by sol-gel method using GdCl3 and EuCl3 at 800-1100 oC. The size of phosphors was about 50-200nm depending on the synthesis temperature for 2hr. Nanophosphors was examined by XRD, FE-SEM, TEM, and the results showed that the materials possess a well-crystal and confirmed as Gd2O3: Eu3+ particles. The photoluminescence (PL) measurement of the Gd2O3: Eu3+ showed a red-emission at the main wavelength of 612 nm (5D0à7F2). It was found that 5% of Eu3+ is the best molar concentration to obtain the highest PL intensity for Gd2O3:Eu3+.

ISBN: 0-9767985-6-5
Pages: 871
Hardcopy: $119.95

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