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has been cited by the following article:

• TITLE: Blue-Red Tuning Emission of ZnO: Europium Quantum Dots with Different Excitation Wavelengths

  AUTHORS: Primitivo Ortiz Maldonado, Ana K. Chavez-Alvarado, Francisco J. Rodríguez Gutierrez, Joan Reyes Miranda, Dulce Y. Medina Velazquez, Miguel A. Barron, Elizabeth Garfias García

  KEYWORDS: Chromaticity Diagram, Emission Spectra, Europium Luminescence, Red-Blue Tuning, ZnO Quantum Dots, White Light

  JOURNAL NAME: Open Journal of Applied Sciences, Vol.8 No.10, October 12, 2018

  ABSTRACT: Optoelectronic applications require the development of new fluorescent and efficient luminescent materials, free of toxicity, low in cost, and easy to produce. In this way the synthesis of zinc-oxide (ZnO) quantum dots (QDs) has recently received special attention due to their good optical, electrical and chemical properties with low production costs and blue light emission. In this work ZnO QDs were successfully doped with europium in order to obtain a tunable emission luminescence from blue emission of ZnO to red emission of europium as a function of wavelength excitation. Results show an efficient blue to red tuning when the excitation wavelength was changed from 317 nm to 395 nm, respectively. This opens the possibility of having new optical devices to produce different color emission using the same material.