Journal
APPLIED SCIENCES-BASEL
Volume 11, Issue 22, Pages -Publisher
MDPI
DOI: 10.3390/app112210850
Keywords
metal titanates; VOCs; heterogeneous photocatalysis; toluene; photo oxidation
Categories
Funding
- project National Research Infrastructure on nanotechnology, advanced materials and micro/nanoelectronics by Operational Programme Competitiveness, Entrepreneurship and Innovation (NSRF 2014-2020) [MIS 5002772]
- European Union (European Regional Development Fund)
- Hellenic Foundation for Research and Innovation (HFRI) [1477]
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The increasing air pollution due to human activities has a new impact on health. Heterogeneous photocatalysis is a promising method for degrading VOCs, making it important to search for new and improved photocatalysts. Perovskite-related materials ATiO(3) with A = Mg, Ni, Co, Zn were synthesized and ZnTiO3 showed the highest photoactivity under LED illumination.
The increasing air pollution taking place in virtue of human activity has a novel impact in our health. Heterogeneous photocatalysis is a promising way of degrading volatile organic compounds (VOCs) that makes the quest of new and improved photocatalysts of great importance. Herein, perovskite-related materials ATiO(3) with A = Mg, Ni, Co, Zn were synthesized through an ethylene glycol-mediated root, with ethylene glycol being used as a solvent and ligand. Characterization techniques such as X-ray diffraction (XRD), scanning electron microscopy, and energy dispersive X-ray spectroscopy (SEM/EDX), transmission electron microscopy (TEM), UV-vis spectroscopy, Raman spectroscopy, Fourier transform infrared (FT-IR), and photoluminescence spectroscopy (PL) were used in order to confirm the structure, the nanorod morphology, their absorption in UV-vis, and the separation efficiency of photogenerated charge carriers. The highest photoactivity was observed for ZnTiO3 in which 62% of toluene was decomposed after 60 min under LED illumination (54 mW/cm(2)).
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