@misc{10481/93674,
year = {2024},
month = {6},
url = {https://hdl.handle.net/10481/93674},
abstract = {Solar photocatalysis has emerged as a cost-effective and efficient approach to address water remediation challenges.
Nonetheless, there is a pressing requirement to innovate and design novel photocatalysts capable of
utilizing solar or visible light. In this study, morphology control and surface sensitization techniques were integrated
to engineer titania-based photocatalysts that operate efficiently under blue LED light. This is accomplished
through the synthesis of TiaZrbOc materials (TiXZrY) with finely tuned nano-scale dimensions, employing
meticulous control through the reversed two-emulsion technique. This innovative approach has yielded
remarkable performance in the removal of pharmaceutical contaminants. Zr contents highly affect the size and,
thus, the active surface of the photocatalysts. XRD results indicate that a low Zr content zirconium titanates are
formed whereas at high Zr contents zirconia cubic phase is the main crystalline structure detected. The heterojunction
created between the zirconium titanate and the titania anatase phases can be responsible of the band
gap reduction observed (Eg = 2.8 eV). A SMX degradation percent as high as 80.1 % with a decrease of the
treated water toxicity was obtained for Ti70Zr30 under blue-LEDs irradiation which is explained based on the
formation of zirconium titanates observed by XRD and XPS and the high active surface area.},
organization = {Project PID2021-127803OBI00
funded by MCIN/AEI/ 10.13039/501100011033/ and by “ERDF A
way of making Europe"},
organization = {Colombian Ministry of Science, Technology and Innovation
(MINCIENCIAS) for the financial support provided through call
860 (2019)},
organization = {MICINN for postdoctoral
fellowship (RYC2020-029301-I)},
organization = {Funding for open access charge: Universidad
de Granada/CBUA.},
publisher = {Elsevier},
keywords = {Photocatalysis},
keywords = {Nanoparticles},
keywords = {TiO2},
title = {Size-miniaturization of TiO2-ZrO2 coupled semiconductors to develop highly efficient visible- driven photocatalysts for the degradation of drugs in wastewater},
doi = {10.1016/j.apsusc.2024.160609},
author = {Aguirre Cortés, Jhon Mauricio and Munguía Ubierna, Álvaro and Moral-Rodríguez, Adriana Isabel and Pérez Cadenas, Agustín Francisco and Carrasco Marín, Francisco and Bailón García, Esther},
}