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Synthesis of Up-Conversion CaTiO3: Er3+ Films on Titanium by Anodization and Hydrothermal Method for Biomedical Applications

Tuyen, N.T.T. and Tuan, T.Q. and Toan, L.V. and Tam, L.T. and Pham, V.-H. (2024) Synthesis of Up-Conversion CaTiO3: Er3+ Films on Titanium by Anodization and Hydrothermal Method for Biomedical Applications. Materials, 17 (13): 3376. ISSN 19961944

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Abstract

The present study investigates the effects of Er3+ doping content on the microstructure and up-conversion emission properties of CaTiO3: Er3+ phosphors as a potential material in biomedical applications. The CaTiO3: xEr3+ (x = 0.5, 1.0, 1.5, 2.0, 2.5, and 3.0) films were synthesized on Ti substrates by a hydrothermal reaction at 200 °C for 24 h. The SEM image showed the formation of cubic nanorod CaTiO3: Er3+ films with a mean edge size value of (1–5) μm. When excited with 980 nm light, the CaTiO3: Er3+ films emitted a strong green band and a weak red band of Er3+ ions located at 543, 661, and 740 nm. The CaTiO3: Er3+ film exhibited excellent surface hydrophilicity with a contact angle of ~zero and good biocompatibility against baby hamster kidney (BHK) cells. CaTiO3: Er3+ films emerge as promising materials for different applications in the biomedical field. © 2024 by the authors.

Item Type: Article
Divisions: Faculties > Faculty of Physical and Chemical Engineering
Identification Number: 10.3390/ma17133376
Uncontrolled Keywords: Biocompatibility; Contact angle; Films; Hydrothermal synthesis; Light emission; Medical applications; Nanorods; Perovskite; Phosphors; Semiconductor doping; Titanium, Anodization method; Biomedical applications; CaTiO3: er3+ phosphor; Doping content; Emission properties; Hydrothermal methods; Potential materials; Titania; Up-conversion; Up-conversion emission, Hydrophilicity
URI: http://eprints.lqdtu.edu.vn/id/eprint/11389

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