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Polymers
Volume 13
Issue 8
10.3390/polym13081331
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Article

Photocatalytic Activity and Filtration Performance of Hybrid TiO2-Cellulose Acetate Nanofibers for Air Filter Applications

by
Miyeon Kwon
1,
Juhea Kim
1 and
Juran Kim
2,*
1
Human Convergence R&D Group, Korea Institute of Industrial Technology, Ansan 15588, Korea
2
Advanced Textile R&D Group, Korea Institute of Industrial Technology, Ansan 15588, Korea
*
Author to whom correspondence should be addressed.
Polymers 2021, 13(8), 1331; https://doi.org/10.3390/polym13081331
Submission received: 1 April 2021 / Revised: 8 April 2021 / Accepted: 15 April 2021 / Published: 19 April 2021
(This article belongs to the Special Issue Advances in Polymer Nanofibers II)
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Abstract

A facile method to prepare hybrid cellulose acetate nanofibers containing TiO2 (TiO2-CA nanofibers) by emulsion electrospinning technique was developed for the denitrification and filtration of particulate matters (PMs). This work found that hybrid TiO2-CA nanofibers mainly contain the anatase form of TiO2, contributing to the photodecomposition of NO gas under UV irradiation. The TiO2-CA nanofibers also showed an excellent filtration efficiency of 99.5% for PM0.5 and a photocatalytic efficiency of 78.6% for NO removal. Furthermore, the results implied that the morphology of the TiO2-CA nanofibers, such as micro-wrinkles and protrusions, increased the surface hydrophobicity up to 140°, with the increased addition of TiO2 nanoparticles. The proposed TiO2-CA nanofibers, as a result, would be promising materials for highly efficient and sustainable air filters for industrial and home appliance systems.
Keywords: filtration efficiency; photocatalyst; titanium dioxide; emulsion electrospinning; cellulose acetate nanofibers filtration efficiency; photocatalyst; titanium dioxide; emulsion electrospinning; cellulose acetate nanofibers
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MDPI and ACS Style

Kwon, M.; Kim, J.; Kim, J. Photocatalytic Activity and Filtration Performance of Hybrid TiO2-Cellulose Acetate Nanofibers for Air Filter Applications. Polymers 2021, 13, 1331. https://doi.org/10.3390/polym13081331

AMA Style

Kwon M, Kim J, Kim J. Photocatalytic Activity and Filtration Performance of Hybrid TiO2-Cellulose Acetate Nanofibers for Air Filter Applications. Polymers. 2021; 13(8):1331. https://doi.org/10.3390/polym13081331

Chicago/Turabian Style

Kwon, Miyeon, Juhea Kim, and Juran Kim. 2021. "Photocatalytic Activity and Filtration Performance of Hybrid TiO2-Cellulose Acetate Nanofibers for Air Filter Applications" Polymers 13, no. 8: 1331. https://doi.org/10.3390/polym13081331

APA Style

Kwon, M., Kim, J., & Kim, J. (2021). Photocatalytic Activity and Filtration Performance of Hybrid TiO2-Cellulose Acetate Nanofibers for Air Filter Applications. Polymers, 13(8), 1331. https://doi.org/10.3390/polym13081331

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