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Azorin, N.J. (1993) Study of the Thermoluminescent and Optical Properties of the Main Dosimetric Materials, Thesis for the Degree of Doctor of Science (Physics). Autonomous Metropolitan University, Azcapotzalco Unit, Mexico.

has been cited by the following article:

• TITLE: Synthesis of Tenoltrifluoroacetone Composite Doped with Terbium, Dysprosium and Europium Encapsulated in Silica Oxide Matrix

  AUTHORS: Yazmin Francisco, Dulce Medina, Miguel Barron, Joan Reyes, Pedro Adrian Martinez, Angel de Jesus Morales, Elizabeth Garfias

  KEYWORDS: Synthesis, Luminescence, Composite, Sol-Gel, Terbium, Dysprosium and Europium

  JOURNAL NAME: Journal of Surface Engineered Materials and Advanced Technology, Vol.10 No.4, October 30, 2020

  ABSTRACT: The synthesis of the thenoyltrifluoroacetone compound doped with terbium, dysprosium and europium encapsulated in a silica matrix (TTA:Tb:Dy:Eu@SiO2) were performed by the sol-gel method. The precursors to obtain the vitreous phase (SiO2) were: Tetraethylorthosilicate (TEOS, C8H2O4Si, 98%, Aldrich), and ethyl alcohol (CH3CH2OH, 99.5%, Meyer), distilled water and 0.05 ml of hydrochloric acid (HCl, Meyer). The sample with molar ratio 20:80 TTA:Tb:Dy:Eu@SiO2 has the best emission intensity. Thermogravimetric analysis (TGA) shown that silica encapsulated samples decompose at lower temperatures than pure TTA:Tb:Dy:Eu luminescent material. Fourier Transform Infrared (IR-TF) shown the characteristic Si-O-Si bands that are presented at a wavelength of 1049, 853 and 440 cmǃ confirming that the luminescent material is encapsulated in a silica matrix, finally X-ray diffraction (XRD) shown that TTA:Tb:Dy:Eu@SiO2 composite is amorphous.