1. Enhancing air treatment through controlled fabrication of transition metal-doped titanium dioxide nanocomposites for photocatalytic toluene degradation.
- Author
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Ly HN, Parasuraman V, Lee H, Sheraz M, Anus A, Lee WR, and Kim S
- Subjects
- Titanium chemistry, Ultraviolet Rays, Toluene chemistry, Catalysis, Nanocomposites chemistry, Air Pollutants chemistry
- Abstract
Rapid industrial growth and urbanization have resulted in a significant rise in environmental pollution issues, particularly indoor air pollutants. As a result, it is crucial to design and develop technologies and/or catalysts that are not only cost-effective but also promising high performance and practical applicability. However, achieving this goal has been so far remained a challenging task. Herein, a series of transition metal M - TiO
2 (M = W, Fe, Mn) nanocrystals was prepared for photocatalytic degradation of volatile organic compounds (VOCs), i.e., toluene. Of the nanocomposites tested, W-TiO2 showed significantly improved photocatalytic activity for VOC degradation under UV irradiation compared to the others. In particular, the optimized W dopant amount of 0.5 wt% resulted in the outstanding degradation performance of toluene (96%) for the obtained W-TiO2 (0.5%) nanocomposite. Moreover, W-TiO2 (0.5%) nanocomposite exhibited good stability for 32 h working under high toluene concentration (10 ppm) compared to the pristine TiO2 . The current work demonstrates the potential usage of M - TiO2 nanocrystals, particularly W-TiO2 (0.5%), as a promising photocatalyst for efficient VOCs degradation., Competing Interests: Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper., (Copyright © 2024. Published by Elsevier Ltd.)- Published
- 2024
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