Incorporation of N-doped TiO2 nanorods in regenerated cellulose thin films fabricated from recycled newspaper as a green portable photocatalyst

•Recycled newspaper as the cellulose source for nanocomposite thin film fabrication.•Incorporation of N-doped TiO2 nanorods in RC matrix via phase-inversion technique.•Good compatibility between N-doped TiO2 nanorods and RC matrix.•RC/N-TiO2 nanocomposite thin film as new green portable photocatalys...

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Bibliographic Details
Published in:Carbohydrate polymers 2015-11, Vol.133, p.429-437
Main Authors: Mohamed, Mohamad Azuwa, Salleh, W.N.W., Jaafar, Juhana, Ismail, A.F., Abd Mutalib, Muhazri, Jamil, Siti Munira
Format: Article
Language:English
Subjects:
Catalysis
Cellulose - chemistry
Green approach
Green Chemistry Technology
Inorganic–organic nanocomposite thin film
N-doped TiO2 nanorods
Nanotubes - chemistry
Nitrogen - chemistry
Optical Phenomena
Photochemical Processes
Portable photocatalyst
Recycled newspaper
Recycling
Titanium - chemistry
Urea - chemistry
Water - chemistry
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Summary:•Recycled newspaper as the cellulose source for nanocomposite thin film fabrication.•Incorporation of N-doped TiO2 nanorods in RC matrix via phase-inversion technique.•Good compatibility between N-doped TiO2 nanorods and RC matrix.•RC/N-TiO2 nanocomposite thin film as new green portable photocatalyst. In this work, an environmental friendly RC/N-TiO2 nanocomposite thin film was designed as a green portable photocatalyst by utilizing recycled newspaper as sustainable cellulose resource. Investigations on the influence of N-doped TiO2 nanorods incorporation on the structural and morphological properties of RC/N-TiO2 nanocomposite thin film are presented. The resulting nanocomposite thin film was characterized by FESEM, AFM, FTIR, UV–vis–NIR spectroscopy, and XPS analysis. The results suggested that there was a remarkable compatibility between cellulose and N-doped TiO2 nanorods anchored onto the surface of the RC/N-TiO2 nanocomposite thin film. Under UV and visible irradiation, the RC/N-TiO2 nanocomposite thin film showed remarkable photocatalytic activity for the degradation of methylene blue solution with degradation percentage of 96% and 78.8%, respectively. It is crucial to note that the resulting portable photocatalyst produced via an environmental and green technique in its fabrication process has good potential in the field of water and wastewater treatment application.
ISSN:0144-8617
1879-1344
DOI:10.1016/j.carbpol.2015.07.057