Luminescent Ink Based on Upconversion of NaYF<sub>4</sub>:Er,Yb@MA Nanoparticles: Environmental Friendly Synthesis and Structural and Spectroscopic Assessment
NaYF<sub>4</sub>:Er,Yb upconversion luminescent nanoparticles (UCNPs) were prepared by hydrothermal methods at 180 °C for 24 h. The X-ray diffraction (XRD) and TEM (transmission electron microscopy) images show that the resulting 60 nm UCNPs possess a hexagonal structure. In this work, m...
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| Format: | Article |
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MDPI AG
2021-02-01
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| Series: | Molecules |
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| Online Access: | https://www.mdpi.com/1420-3049/26/4/1041 |
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| author | T. M. Dung Cao T. T. Giang Le Sylvia Turrell Maurizio Ferrari Quang Vinh Lam T. T. Van Tran |
| author_facet | T. M. Dung Cao T. T. Giang Le Sylvia Turrell Maurizio Ferrari Quang Vinh Lam T. T. Van Tran |
| author_sort | T. M. Dung Cao |
| collection | DOAJ |
| description | NaYF<sub>4</sub>:Er,Yb upconversion luminescent nanoparticles (UCNPs) were prepared by hydrothermal methods at 180 °C for 24 h. The X-ray diffraction (XRD) and TEM (transmission electron microscopy) images show that the resulting 60 nm UCNPs possess a hexagonal structure. In this work, maleic anhydride (MA) was grafted on the surface of UCNPs to induce hydrophilic properties. The photoluminescence spectra (PL) show upconversion emissions centered around 545 nm and 660 nm under excitation at 980 nm. The luminescent inks, including UCNPs@MA, polyvinyl alcohol (PVA), deionized water (DI), and ethylene glycol (EG), exhibit suitable properties for screen printing, such as high stability, emission intensity, and tunable dynamic viscosity. The printed patterns with a height of 5 mm and a width of 1.5 mm were clearly observed under the irradiation of a 980 nm laser. Our strategy provides a new route for the controlled synthesis of hydrophilic UCNPs, and shows that the UCNPs@MAs have great potential in applications of anti-counterfeiting packing. |
| first_indexed | 2024-03-09T00:48:34Z |
| format | Article |
| id | doaj.art-64601d762adf4d9f86a3cca06a17694a |
| institution | Directory Open Access Journal |
| issn | 1420-3049 |
| language | English |
| last_indexed | 2024-03-09T00:48:34Z |
| publishDate | 2021-02-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Molecules |
| spelling | doaj.art-64601d762adf4d9f86a3cca06a17694a2023-12-11T17:20:01ZengMDPI AGMolecules1420-30492021-02-01264104110.3390/molecules26041041Luminescent Ink Based on Upconversion of NaYF<sub>4</sub>:Er,Yb@MA Nanoparticles: Environmental Friendly Synthesis and Structural and Spectroscopic AssessmentT. M. Dung Cao0T. T. Giang Le1Sylvia Turrell2Maurizio Ferrari3Quang Vinh Lam4T. T. Van Tran5Faculty of Materials Science and Technology, University of Science, Ho Chi Minh City 700000, VietnamVietnam National University, Ho Chi Minh City 700000, VietnamCNRS, UMR 8516-LASIRe–Laboratoire Avancé de Spectroscopie pour les Intéractions la Réactivité et l’Environnement, Université de Lille, F-59000 Lille, FranceIFN-CNR CSMFO Lab. and FBK Photonics Unit, Via Alla Cascata 56/C, 38123 Povo, ItalyVietnam National University, Ho Chi Minh City 700000, VietnamFaculty of Materials Science and Technology, University of Science, Ho Chi Minh City 700000, VietnamNaYF<sub>4</sub>:Er,Yb upconversion luminescent nanoparticles (UCNPs) were prepared by hydrothermal methods at 180 °C for 24 h. The X-ray diffraction (XRD) and TEM (transmission electron microscopy) images show that the resulting 60 nm UCNPs possess a hexagonal structure. In this work, maleic anhydride (MA) was grafted on the surface of UCNPs to induce hydrophilic properties. The photoluminescence spectra (PL) show upconversion emissions centered around 545 nm and 660 nm under excitation at 980 nm. The luminescent inks, including UCNPs@MA, polyvinyl alcohol (PVA), deionized water (DI), and ethylene glycol (EG), exhibit suitable properties for screen printing, such as high stability, emission intensity, and tunable dynamic viscosity. The printed patterns with a height of 5 mm and a width of 1.5 mm were clearly observed under the irradiation of a 980 nm laser. Our strategy provides a new route for the controlled synthesis of hydrophilic UCNPs, and shows that the UCNPs@MAs have great potential in applications of anti-counterfeiting packing. https://www.mdpi.com/1420-3049/26/4/1041NaYF<sub>4</sub>:Er,Ybupconversion emissionsurface modificationhydrophilicscreen printing |
| spellingShingle | T. M. Dung Cao T. T. Giang Le Sylvia Turrell Maurizio Ferrari Quang Vinh Lam T. T. Van Tran Luminescent Ink Based on Upconversion of NaYF<sub>4</sub>:Er,Yb@MA Nanoparticles: Environmental Friendly Synthesis and Structural and Spectroscopic Assessment Molecules NaYF<sub>4</sub>:Er,Yb upconversion emission surface modification hydrophilic screen printing |
| title | Luminescent Ink Based on Upconversion of NaYF<sub>4</sub>:Er,Yb@MA Nanoparticles: Environmental Friendly Synthesis and Structural and Spectroscopic Assessment |
| title_full | Luminescent Ink Based on Upconversion of NaYF<sub>4</sub>:Er,Yb@MA Nanoparticles: Environmental Friendly Synthesis and Structural and Spectroscopic Assessment |
| title_fullStr | Luminescent Ink Based on Upconversion of NaYF<sub>4</sub>:Er,Yb@MA Nanoparticles: Environmental Friendly Synthesis and Structural and Spectroscopic Assessment |
| title_full_unstemmed | Luminescent Ink Based on Upconversion of NaYF<sub>4</sub>:Er,Yb@MA Nanoparticles: Environmental Friendly Synthesis and Structural and Spectroscopic Assessment |
| title_short | Luminescent Ink Based on Upconversion of NaYF<sub>4</sub>:Er,Yb@MA Nanoparticles: Environmental Friendly Synthesis and Structural and Spectroscopic Assessment |
| title_sort | luminescent ink based on upconversion of nayf sub 4 sub er yb ma nanoparticles environmental friendly synthesis and structural and spectroscopic assessment |
| topic | NaYF<sub>4</sub>:Er,Yb upconversion emission surface modification hydrophilic screen printing |
| url | https://www.mdpi.com/1420-3049/26/4/1041 |
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