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Sensors and Materials, Volume 31, Number 2(2) (2019)
Copyright(C) MYU K.K.
S&M1785 Research Paper of Special Issue
Published: February 18, 2019
Effect of the Concentration of Eu3+ Ions on Crystalline and Optical Properties of ZnO Nanowires [PDF]
Wen-Jie Zheng, Wen-Cheng Tzou, Jei-Ru Shen, Cheng-Fu Yang, Chih-Cheng Chen
(Received May 31, 2018; Accepted September 26, 2018)
Keywords: hydrothermal method, Eu3+-doped ZnO nanowires, photoluminescence
In this study, Eu3+-doped ZnO nanowires were prepared with different concentrations of Eu3+ ions by a hydrothermal method. Before the Eu3+-doped ZnO nanowires were grown, sputtering was used to deposit ZnO films of ~300 nm thickness on SiO2/Si and glass substrates as the seed layer. Zn(NO3)2-6H2O, Eu(NO3)3-6H2O, and C6H12N4 were used as reagents to grow the Eu3+-doped ZnO nanowires on ZnO/SiO2/Si and ZnO/glass substrates. First, the Eu3+-doped ZnO nanostructures were grown on the substrates at 100 ℃. We found that the nanowires could be successfully grown because an undoped ZnO solution was used, and the Eu3+-doped ZnO nanowires could not be grown because different concentrations of Eu3+ ions were added. We also found that the required growth temperatures of the Eu3+-doped ZnO nanowires decreased with increasing concentration of Eu3+ ions. In this study, we also thoroughly investigated the effects of different concentrations of Eu3+ ions on the luminescence properties of the ZnO seed layer and the Eu3+-doped ZnO nanowires. We showed that the substrates used and the concentrations of Eu3+ ions have considerable effects on the photoluminescence properties of the Eu3+-doped ZnO nanowires.
Corresponding author: Cheng-Fu Yang, Chih-Cheng Chen
This work is licensed under a Creative Commons Attribution 4.0 International License.
Cite this article
Wen-Jie Zheng, Wen-Cheng Tzou, Jei-Ru Shen, Cheng-Fu Yang, Chih-Cheng Chen, Effect of the Concentration of Eu3+ Ions on Crystalline and Optical Properties of ZnO Nanowires, Sens. Mater., Vol. 31, No. 2, 2019, p. 447-455.
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