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Design, synthesis, and structure-property relationships of Er3+ -doped TiO2 luminescent particles synthesized by sol-gel

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Details

Original languageEnglish
Article number20
JournalNanomaterials
Volume8
Issue number1
DOIs
Publication statusPublished - 2 Jan 2018
Publication typeA1 Journal article-refereed

Abstract

Titania particles doped with various concentrations of Erbium were synthesized by the sol-gel method followed by different heat treatments. The shape and the grain growth of the particles were noticeably affected by the concentration of Erbium and the heat treatment conditions. An infrared emission at 1530 nm, as well as green and red up-conversion emissions at 550 and 670 nm, were observed under excitation at 976 nm from all of the synthesized particles. The emission spectra and lifetime values appeared to be strongly influenced by the presence of the different crystalline phases. This work presents important guidelines for the synthesis of functional Er3+ -doped titania particles with controlled and tailored spectroscopic properties for photonic applications.

Keywords

  • Erbium-doped titania, Photoluminescence, Sol-gel synthesis

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Field of science, Statistics Finland

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