Fabrication of Eu-TiO 2 NCs functionalized cotton textile as a multifunctional photocatalyst for dye pollutants degradation. Caschera, D., Federici, F., de Caro, T., Cortese, B., Calandra, P., Mezzi, A., Lo Nigro, R., & Toro, R. Applied Surface Science, 427:81-91, Elsevier B.V., 2018. cited By 26![Fabrication of Eu-TiO 2 NCs functionalized cotton textile as a multifunctional photocatalyst for dye pollutants degradation [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex A modified one step and cost-effective chemical green route has been used to synthesize oleate-capped TiO 2 anatase nanocrystals (NCs) doped with different amounts of europium, with high yields and without high-temperature post-calcination processes. Europium doping endowed TiO 2 NCs with an intense red luminescence associated with the 5 D 0 → 7 F 2 transition of the electronic structure of Eu 3+ and was responsible for both the morphological change of the NCs structure (from nanorods to spherical nanoparticles) and the blue shift in the absorption edge respect to the undoped TiO 2 NCs. Furthermore, photocatalytic experiments revealed that a low-content (0.5 mol%) Eu 3+ doped TiO 2 NCs showed the best ability as photocatalyst for the degradation of methylene blue (MB) under both UV and visible light irradiation, even if all the Eu 3+ doped oleate-capped TiO 2 NCs were more effective under visible light. Moreover, taking advantage of their photocatalytic activity, the 0.5% Eu 3+ doped oleate-capped TiO 2 photocatalysts has been employed on cotton fabrics. Our results highlighted that functionalization of cotton textile with Eu 3+ doped oleate-capped TiO 2 NCs imparted new functionalities, such as a high photocatalytic activity toward MB degradation under visible light. In addition, it determined also the change in the wetting behaviour of cotton that switches to a superhydrophobic nature. The obtained fabric also showed stable and robust superhydrophobicity against strong acid and alkaline environments. Multifunctional materials having simultaneously luminescence, superhydrophobicity and visible light photocatalysis are expected to be very useful in many technological applications. © 2017 Elsevier B.V.
@ARTICLE{Caschera201881,
author={Caschera, D. and Federici, F. and de Caro, T. and Cortese, B. and Calandra, P. and Mezzi, A. and Lo Nigro, R. and Toro, R.G.},
title={Fabrication of Eu-TiO 2 NCs functionalized cotton textile as a multifunctional photocatalyst for dye pollutants degradation},
journal={Applied Surface Science},
year={2018},
volume={427},
pages={81-91},
doi={10.1016/j.apsusc.2017.08.015},
note={cited By 26},
url={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85029168379&doi=10.1016%2fj.apsusc.2017.08.015&partnerID=40&md5=af73f7ccd3c039c846ee7d73e796a697},
abstract={A modified one step and cost-effective chemical green route has been used to synthesize oleate-capped TiO 2 anatase nanocrystals (NCs) doped with different amounts of europium, with high yields and without high-temperature post-calcination processes. Europium doping endowed TiO 2 NCs with an intense red luminescence associated with the 5 D 0 → 7 F 2 transition of the electronic structure of Eu 3+ and was responsible for both the morphological change of the NCs structure (from nanorods to spherical nanoparticles) and the blue shift in the absorption edge respect to the undoped TiO 2 NCs. Furthermore, photocatalytic experiments revealed that a low-content (0.5 mol%) Eu 3+ doped TiO 2 NCs showed the best ability as photocatalyst for the degradation of methylene blue (MB) under both UV and visible light irradiation, even if all the Eu 3+ doped oleate-capped TiO 2 NCs were more effective under visible light. Moreover, taking advantage of their photocatalytic activity, the 0.5% Eu 3+ doped oleate-capped TiO 2 photocatalysts has been employed on cotton fabrics. Our results highlighted that functionalization of cotton textile with Eu 3+ doped oleate-capped TiO 2 NCs imparted new functionalities, such as a high photocatalytic activity toward MB degradation under visible light. In addition, it determined also the change in the wetting behaviour of cotton that switches to a superhydrophobic nature. The obtained fabric also showed stable and robust superhydrophobicity against strong acid and alkaline environments. Multifunctional materials having simultaneously luminescence, superhydrophobicity and visible light photocatalysis are expected to be very useful in many technological applications. © 2017 Elsevier B.V.},
publisher={Elsevier B.V.},
issn={01694332},
coden={ASUSE},
document_type={Article},
source={Scopus},
}
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Europium doping endowed TiO 2 NCs with an intense red luminescence associated with the 5 D 0 → 7 F 2 transition of the electronic structure of Eu 3+ and was responsible for both the morphological change of the NCs structure (from nanorods to spherical nanoparticles) and the blue shift in the absorption edge respect to the undoped TiO 2 NCs. Furthermore, photocatalytic experiments revealed that a low-content (0.5 mol%) Eu 3+ doped TiO 2 NCs showed the best ability as photocatalyst for the degradation of methylene blue (MB) under both UV and visible light irradiation, even if all the Eu 3+ doped oleate-capped TiO 2 NCs were more effective under visible light. Moreover, taking advantage of their photocatalytic activity, the 0.5% Eu 3+ doped oleate-capped TiO 2 photocatalysts has been employed on cotton fabrics. Our results highlighted that functionalization of cotton textile with Eu 3+ doped oleate-capped TiO 2 NCs imparted new functionalities, such as a high photocatalytic activity toward MB degradation under visible light. In addition, it determined also the change in the wetting behaviour of cotton that switches to a superhydrophobic nature. The obtained fabric also showed stable and robust superhydrophobicity against strong acid and alkaline environments. 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