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@article{2361597,
author = {Gomez Perez, Inmaculada Jennifer and DíazandSánchez, Miguel and Pizúrová, Naděžda and Zajíčková, Lenka and Prashar, Sanjiv and GómezandRuiz, Santiago},
article_number = {September},
doi = {http://dx.doi.org/10.1016/j.jphotochem.2023.114875},
keywords = {Graphene quantum dots; Microwave; Titanium dioxide; Functionalization; Photocatalysis; Wastewater treatment},
language = {eng},
issn = {1010-6030},
journal = {Journal of Photochemistry and Photobiology A: Chemistry},
title = {Crystalline F-doped titanium dioxide nanoparticles decorated with graphene quantum dots for improving the photodegradation of water pollutants},
url = {https://doi.org/10.1016/j.jphotochem.2023.114875},
volume = {443},
year = {2023}
}
TY - JOUR
ID - 2361597
AU - Gomez Perez, Inmaculada Jennifer - Díaz-Sánchez, Miguel - Pizúrová, Naděžda - Zajíčková, Lenka - Prashar, Sanjiv - Gómez-Ruiz, Santiago
PY - 2023
TI - Crystalline F-doped titanium dioxide nanoparticles decorated with graphene quantum dots for improving the photodegradation of water pollutants
JF - Journal of Photochemistry and Photobiology A: Chemistry
VL - 443
IS - September
SP - 1-9
EP - 1-9
PB - Elsevier Science
SN - 10106030
KW - Graphene quantum dots
KW - Microwave
KW - Titanium dioxide
KW - Functionalization
KW - Photocatalysis
KW - Wastewater treatment
UR - https://doi.org/10.1016/j.jphotochem.2023.114875
N2 - Carbon dots are emerging photoactive materials with high chemical stability, aqueous solubility, abundant surface functional groups and low-cost production. Their great advantages, incorporated into the high photocatalytic activity of the TiO2, result in hybrid systems that overcome some of the photocatalytic drawbacks associated with TiO2. In this work, a facile synthesis of hybrids of F-doped TiO2 and N-doped graphene quantum dots (F-TiO2@N-GQDs) is reported. These systems have demonstrated efficient photocatalytic properties in light-driven pollutant reduction from water. Therefore, using a simple and low-cost synthesis method, the N-GQDs act as electron reservoirs improving the pairs e--h+ lifetime in TiO2 by decreasing charge recombination, increasing their photocatalytic capacity. The photocatalysts showed very effective degradations of different contaminants such as methylene blue (90% degradation) ciprofloxacin (62% degradation) and naproxen (60% degradation) in short periods of up to 15 min and 4-chlorophenol (59% degradation) in 30 min using UV light (300 W).
ER -
GOMEZ PEREZ, Inmaculada Jennifer, Miguel DÍAZ-SÁNCHEZ, Naděžda PIZÚROVÁ, Lenka ZAJÍČKOVÁ, Sanjiv PRASHAR a Santiago GÓMEZ-RUIZ. Crystalline F-doped titanium dioxide nanoparticles decorated with graphene quantum dots for improving the photodegradation of water pollutants. \textit{Journal of Photochemistry and Photobiology A: Chemistry}. Elsevier Science, 2023, roč.~443, September, s.~1-9. ISSN~1010-6030. Dostupné z: https://dx.doi.org/10.1016/j.jphotochem.2023.114875.
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