Commercial 3D resin blended with TTA functionalized CaWO4:Eu (III), synthesis route and a luminescence study

García-López, K. B.; Martínez-Martínez, Rafael; Meza-Rocha, A.N.; Vargas-García, V.; Lozada-Morales, R.; Agustín-Serrano, R.; Rosas, E. Rubio; Rosario, G. Cedillo del; Carmona-Téllez, S.

doi:10.1016/j.optmat.2023.114008

Optical Materials

2023

DOI: 10.1016/j.optmat.2023.114008

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Commercial 3D resin blended with TTA functionalized CaWO4:Eu (III), synthesis route and a luminescence study

K. B. García-López

Rafael Martínez-Martínez

A.N. Meza-Rocha

et al.

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2024

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The Influence of High-Energy Milling on the Phase Formation, Structural, and Photoluminescent Properties of CaWO4 Nanoparticles

Iordanova,

Gancheva,

Koseva

et al. 2024

Materials

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CaWO4 nanoparticles were obtained by facile mechanochemical synthesis at room temperature, applying two different milling speeds. Additionally, a solid-state reaction was employed to assess the phase composition, structural, and optical characteristics of CaWO4. The samples were analyzed by X-ray diffraction (XRD), transition electron microscopy (TEM), and Raman, infrared (IR), ultraviolet–visible (UV–Vis) reflectance, and photoluminescence (PL) spectroscopies. The phase formation of CaWO4 was achieved after 1 and 5 h of applied milling speeds of 850 and 500 rpm, respectively. CaWO4 was also obtained after heat treatment at 900 °C for 12 h. TEM and X-ray analyses were used to calculate the average crystallite and grain size. The Raman and infrared spectroscopies revealed the main vibrations of the WO4 groups and indicated that more distorted structural units were formed when the compound was synthesized by the solid-state method. The calculated value of the optical band gap of CaWO4 significantly increased from 2.67 eV to 4.53 eV at lower and higher milling speeds, respectively. The determined optical band gap of CaWO4, prepared by a solid-state reaction, was 5.36 eV. Blue emission at 425 (422) nm was observed for all samples under an excitation wavelength of 230 nm. CaWO4 synthesized by the solid-state method had the highest emission intensity. It was established that the intensity of the PL peak depended on two factors: the morphology of the particles and the crystallite sizes. The calculated color coordinates of the CaWO4 samples were located in the blue region of the CIE diagram. This work demonstrates that materials with optical properties can be obtained simply and affordably using the mechanochemical method.

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The Influence of High-Energy Milling on the Phase Formation, Structural, and Photoluminescent Properties of CaWO4 Nanoparticles

Iordanova,

Gancheva,

Koseva

et al. 2024

Materials

View full text Add to dashboard Cite

show abstract

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Commercial 3D resin blended with TTA functionalized CaWO4:Eu (III), synthesis route and a luminescence study

Cited by 1 publication

References 45 publications

The Influence of High-Energy Milling on the Phase Formation, Structural, and Photoluminescent Properties of CaWO4 Nanoparticles

The Influence of High-Energy Milling on the Phase Formation, Structural, and Photoluminescent Properties of CaWO4 Nanoparticles

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