Tetracycline Removal through the Synergy of Catalysis and Photocatalysis by Novel NaYF<sub>4</sub>:Yb,Tm@TiO<sub>2</sub>-Acetylacetone Hybrid Core-Shell Structures
Novel hybrid core-shell structures, in which up-converting (UC) NaYF<sub>4</sub>:Yb,Tm core converts near-infrared (NIR) to visible (Vis) light via multiphoton up-conversion processes, while anatase TiO<sub>2</sub>-acetylacetonate (TiO<sub>2</sub>-Acac) shell ensu...
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| Format: | Article |
| Language: | English |
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MDPI AG
2023-05-01
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| Series: | International Journal of Molecular Sciences |
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| Online Access: | https://www.mdpi.com/1422-0067/24/11/9441 |
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| author | Lidija Mančić Lucas A. Almeida Tamires M. Machado Jessica Gil-Londoño Ivana Dinić Miloš Tomić Smilja Marković Paula Jardim Bojan A. Marinkovic |
| author_facet | Lidija Mančić Lucas A. Almeida Tamires M. Machado Jessica Gil-Londoño Ivana Dinić Miloš Tomić Smilja Marković Paula Jardim Bojan A. Marinkovic |
| author_sort | Lidija Mančić |
| collection | DOAJ |
| description | Novel hybrid core-shell structures, in which up-converting (UC) NaYF<sub>4</sub>:Yb,Tm core converts near-infrared (NIR) to visible (Vis) light via multiphoton up-conversion processes, while anatase TiO<sub>2</sub>-acetylacetonate (TiO<sub>2</sub>-Acac) shell ensures absorption of the Vis light through direct injection of excited electrons from the highest-occupied-molecular-orbital (HOMO) of Acac into the TiO<sub>2</sub> conduction band (CB), were successfully synthesized by a two-step wet chemical route. Synthesized NaYF<sub>4</sub>:Yb,Tm@TiO<sub>2</sub>-Acac powders were characterized by X-ray powder diffraction, thermogravimetric analysis, scanning and transmission electron microscopy, diffuse-reflectance spectroscopy, Fourier transform infrared spectroscopy, and photoluminescence emission measurement. Tetracycline, as a model drug, was used to investigate the photocatalytic efficiencies of the core-shell structures under irradiation of reduced power Vis and NIR spectra. It was shown that the removal of tetracycline is accompanied by the formation of intermediates, which formed immediately after bringing the drug into contact with the novel hybrid core-shell structures. As a result, ~80% of tetracycline is removed from the solution after 6 h. |
| first_indexed | 2024-03-11T03:05:18Z |
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| institution | Directory Open Access Journal |
| issn | 1661-6596 1422-0067 |
| language | English |
| last_indexed | 2024-03-11T03:05:18Z |
| publishDate | 2023-05-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | International Journal of Molecular Sciences |
| spelling | doaj.art-0b3b3745468940dc9920dd5199cba1912023-11-18T07:59:02ZengMDPI AGInternational Journal of Molecular Sciences1661-65961422-00672023-05-012411944110.3390/ijms24119441Tetracycline Removal through the Synergy of Catalysis and Photocatalysis by Novel NaYF<sub>4</sub>:Yb,Tm@TiO<sub>2</sub>-Acetylacetone Hybrid Core-Shell StructuresLidija Mančić0Lucas A. Almeida1Tamires M. Machado2Jessica Gil-Londoño3Ivana Dinić4Miloš Tomić5Smilja Marković6Paula Jardim7Bojan A. Marinkovic8Institute of Technical Sciences of SASA, 11000 Belgrade, SerbiaDepartment of Chemical and Materials Engineering, Pontifical Catholic University of Rio de Janeiro (PUC-Rio), Rio de Janeiro 22453-900, BrazilDepartment of Chemical and Materials Engineering, Pontifical Catholic University of Rio de Janeiro (PUC-Rio), Rio de Janeiro 22453-900, BrazilDepartment of Chemical and Materials Engineering, Pontifical Catholic University of Rio de Janeiro (PUC-Rio), Rio de Janeiro 22453-900, BrazilInstitute of Technical Sciences of SASA, 11000 Belgrade, SerbiaInstitute of Technical Sciences of SASA, 11000 Belgrade, SerbiaInstitute of Technical Sciences of SASA, 11000 Belgrade, SerbiaDepartment of Metallurgical and Materials Engineering, Federal University of Rio de Janeiro, Rio de Janeiro 21941-853, BrazilDepartment of Chemical and Materials Engineering, Pontifical Catholic University of Rio de Janeiro (PUC-Rio), Rio de Janeiro 22453-900, BrazilNovel hybrid core-shell structures, in which up-converting (UC) NaYF<sub>4</sub>:Yb,Tm core converts near-infrared (NIR) to visible (Vis) light via multiphoton up-conversion processes, while anatase TiO<sub>2</sub>-acetylacetonate (TiO<sub>2</sub>-Acac) shell ensures absorption of the Vis light through direct injection of excited electrons from the highest-occupied-molecular-orbital (HOMO) of Acac into the TiO<sub>2</sub> conduction band (CB), were successfully synthesized by a two-step wet chemical route. Synthesized NaYF<sub>4</sub>:Yb,Tm@TiO<sub>2</sub>-Acac powders were characterized by X-ray powder diffraction, thermogravimetric analysis, scanning and transmission electron microscopy, diffuse-reflectance spectroscopy, Fourier transform infrared spectroscopy, and photoluminescence emission measurement. Tetracycline, as a model drug, was used to investigate the photocatalytic efficiencies of the core-shell structures under irradiation of reduced power Vis and NIR spectra. It was shown that the removal of tetracycline is accompanied by the formation of intermediates, which formed immediately after bringing the drug into contact with the novel hybrid core-shell structures. As a result, ~80% of tetracycline is removed from the solution after 6 h.https://www.mdpi.com/1422-0067/24/11/9441visible light photocatalysisantibiotic removalcore-shellup-conversionligand-to-metal charge transferFRET |
| spellingShingle | Lidija Mančić Lucas A. Almeida Tamires M. Machado Jessica Gil-Londoño Ivana Dinić Miloš Tomić Smilja Marković Paula Jardim Bojan A. Marinkovic Tetracycline Removal through the Synergy of Catalysis and Photocatalysis by Novel NaYF<sub>4</sub>:Yb,Tm@TiO<sub>2</sub>-Acetylacetone Hybrid Core-Shell Structures International Journal of Molecular Sciences visible light photocatalysis antibiotic removal core-shell up-conversion ligand-to-metal charge transfer FRET |
| title | Tetracycline Removal through the Synergy of Catalysis and Photocatalysis by Novel NaYF<sub>4</sub>:Yb,Tm@TiO<sub>2</sub>-Acetylacetone Hybrid Core-Shell Structures |
| title_full | Tetracycline Removal through the Synergy of Catalysis and Photocatalysis by Novel NaYF<sub>4</sub>:Yb,Tm@TiO<sub>2</sub>-Acetylacetone Hybrid Core-Shell Structures |
| title_fullStr | Tetracycline Removal through the Synergy of Catalysis and Photocatalysis by Novel NaYF<sub>4</sub>:Yb,Tm@TiO<sub>2</sub>-Acetylacetone Hybrid Core-Shell Structures |
| title_full_unstemmed | Tetracycline Removal through the Synergy of Catalysis and Photocatalysis by Novel NaYF<sub>4</sub>:Yb,Tm@TiO<sub>2</sub>-Acetylacetone Hybrid Core-Shell Structures |
| title_short | Tetracycline Removal through the Synergy of Catalysis and Photocatalysis by Novel NaYF<sub>4</sub>:Yb,Tm@TiO<sub>2</sub>-Acetylacetone Hybrid Core-Shell Structures |
| title_sort | tetracycline removal through the synergy of catalysis and photocatalysis by novel nayf sub 4 sub yb tm tio sub 2 sub acetylacetone hybrid core shell structures |
| topic | visible light photocatalysis antibiotic removal core-shell up-conversion ligand-to-metal charge transfer FRET |
| url | https://www.mdpi.com/1422-0067/24/11/9441 |
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