Photocatalytic degradation of low density polyethylene (LDPE) films using titania nanotubes
By Saba Ali, I. A. Qazi, M. Arshad, Zahiruddin Khan, T. Voice, C. Mehmood. 2016
181 citations recorded by the source corpus.
Abstract Polyethylene (PE) waste disposal is a major issue now a days that poses serious threats to human and environmental health. Among the methods of dealing with problem, photocatalytic degradation in the visible light is an alternative option that has received attention recently. The photo catalyst, generally used, is titania in the nanoparticle form. In the current study, complexity of employing a larger surface area nanomaterial in the form of titania nanotubes has been investigated. Prepared nanostructures were characterized by SEM, EDS, XRD, BET surface area measurements and UV-visible spectroscopy. Taking a lead from the work done for the development of dye sensitized solar cells, blue green dye was used to sensitize the TNTs with very encouraging results. The degradation of pure and composite PE films was measured in terms of photo-induced weight loss and was confirmed by FTIR, SEM, surface roughness and tensile strength testing. Thus, polyethylene films with 10% dye sensitized titania nanotubes showed a degradation of around 50% under visible light over a short period of 45 days.
Subfields: Pollution, Renewable Energy, Sustainability and the Environment
View Paper: https://www.semanticscholar.org/paper/eef2f61d837a35db3004518e727dfc3cac70ca51
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Citations in the corpus
- Visible light photocatalytic degradation of microplastic residues with zinc oxide nanorods (2019, background): “Photocatalysis is a light-mediated redox process, wherein nanostructured semiconductors excited with appropriate light energy lead to the creation of exciton pairs, which react with surrounding water/moisture to produce highly reactive species like superoxides and hydroxyl radicals that can effectiv”
- Enhanced Visible Light Photodegradation of Microplastic Fragments with Plasmonic Platinum/Zinc Oxide Nanorod Photocatalysts (2019, methodology): “Changes in the carbonyl index (CI) determined by the ratio of the area under the absorbance of 1710 cm−1 to the area under the reference peak at 1380 cm−1 and the Vinyl index (VI) which is the ratio of area under the absorbance of 909 cm−1 to the area under the reference peak at 1380 cm−1 were monit”