Photocatalytic Performance of Carbon Monolith/TiO2 Composite
Abstract
The new and simple approach for deposition of catalytically active TiO2 coating on carbon monolith (CM) carrier was presented. CM photocatalysts were impregnated with TiO2 using titanium solution and thermal treatment, and their photocatalytic activity was investigated in the process of methylene blue (MB) photodegradation. For the purpose of comparison, CM composite photocatalysts were prepared by dip-coating method, which implies binder usage. The presence of TiO2 on CM carrier was confirmed by Raman spectroscopy and scanning electron microscopy. The sorption characteristics of CM and the role of adsorption in the overall process of MB removal were evaluated through amount of surface oxygen groups obtained by temperature-programmed desorption and specific surface area determined by BET method. CM has shown good adsorption properties toward MB due to high amount of surface oxygen groups and relatively high specific surface area. It was concluded that photocatalytic activity increases ...with CM disc thickness due to increase of MB adsorption and amount of deposited TiO2. Good photocatalytic activity achieved for samples obtained by thermal treatment is the result of better accessibility of MB solution to the TiO2 particles induced by binder absence.
Source:
Advances in Materials Science and Engineering, 2015, 2015Publisher:
- Hindawi Ltd, London
Funding / projects:
- Development and Application of Methods and Materials for Monitoring New Organic Contaminants, Toxic Compounds and Heavy Metals (RS-172007)
- Physics and Chemistry with Ion Beams (RS-45006)
DOI: 10.1155/2015/803492
ISSN: 1687-8434
WoS: 000357391000001
Scopus: 2-s2.0-84934312371
Collections
Institution/Community
Tehnološko-metalurški fakultetTY - JOUR AU - Maletić, Marina AU - Vukčević, Marija AU - Kalijadis, Ana AU - Laušević, Zoran AU - Laušević, Mila PY - 2015 UR - http://TechnoRep.tmf.bg.ac.rs/handle/123456789/3123 AB - The new and simple approach for deposition of catalytically active TiO2 coating on carbon monolith (CM) carrier was presented. CM photocatalysts were impregnated with TiO2 using titanium solution and thermal treatment, and their photocatalytic activity was investigated in the process of methylene blue (MB) photodegradation. For the purpose of comparison, CM composite photocatalysts were prepared by dip-coating method, which implies binder usage. The presence of TiO2 on CM carrier was confirmed by Raman spectroscopy and scanning electron microscopy. The sorption characteristics of CM and the role of adsorption in the overall process of MB removal were evaluated through amount of surface oxygen groups obtained by temperature-programmed desorption and specific surface area determined by BET method. CM has shown good adsorption properties toward MB due to high amount of surface oxygen groups and relatively high specific surface area. It was concluded that photocatalytic activity increases with CM disc thickness due to increase of MB adsorption and amount of deposited TiO2. Good photocatalytic activity achieved for samples obtained by thermal treatment is the result of better accessibility of MB solution to the TiO2 particles induced by binder absence. PB - Hindawi Ltd, London T2 - Advances in Materials Science and Engineering T1 - Photocatalytic Performance of Carbon Monolith/TiO2 Composite VL - 2015 DO - 10.1155/2015/803492 ER -
@article{ author = "Maletić, Marina and Vukčević, Marija and Kalijadis, Ana and Laušević, Zoran and Laušević, Mila", year = "2015", abstract = "The new and simple approach for deposition of catalytically active TiO2 coating on carbon monolith (CM) carrier was presented. CM photocatalysts were impregnated with TiO2 using titanium solution and thermal treatment, and their photocatalytic activity was investigated in the process of methylene blue (MB) photodegradation. For the purpose of comparison, CM composite photocatalysts were prepared by dip-coating method, which implies binder usage. The presence of TiO2 on CM carrier was confirmed by Raman spectroscopy and scanning electron microscopy. The sorption characteristics of CM and the role of adsorption in the overall process of MB removal were evaluated through amount of surface oxygen groups obtained by temperature-programmed desorption and specific surface area determined by BET method. CM has shown good adsorption properties toward MB due to high amount of surface oxygen groups and relatively high specific surface area. It was concluded that photocatalytic activity increases with CM disc thickness due to increase of MB adsorption and amount of deposited TiO2. Good photocatalytic activity achieved for samples obtained by thermal treatment is the result of better accessibility of MB solution to the TiO2 particles induced by binder absence.", publisher = "Hindawi Ltd, London", journal = "Advances in Materials Science and Engineering", title = "Photocatalytic Performance of Carbon Monolith/TiO2 Composite", volume = "2015", doi = "10.1155/2015/803492" }
Maletić, M., Vukčević, M., Kalijadis, A., Laušević, Z.,& Laušević, M.. (2015). Photocatalytic Performance of Carbon Monolith/TiO2 Composite. in Advances in Materials Science and Engineering Hindawi Ltd, London., 2015. https://doi.org/10.1155/2015/803492
Maletić M, Vukčević M, Kalijadis A, Laušević Z, Laušević M. Photocatalytic Performance of Carbon Monolith/TiO2 Composite. in Advances in Materials Science and Engineering. 2015;2015. doi:10.1155/2015/803492 .
Maletić, Marina, Vukčević, Marija, Kalijadis, Ana, Laušević, Zoran, Laušević, Mila, "Photocatalytic Performance of Carbon Monolith/TiO2 Composite" in Advances in Materials Science and Engineering, 2015 (2015), https://doi.org/10.1155/2015/803492 . .