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Communication

The Use of Iron-Doped Anatase TiO2 Nanofibers for Enhanced Photocatalytic Fenton-like Reaction to Degrade Tylosin

by
Xiao Wang
1,2,3,*,
Wei Lu
1,2,*,
Shangui Zhang
1,2,
Changqing Guo
1,2,
Kai Yang
1,2,
Yan Sun
1,2,
Yashi Shao
1,2,
Qiyuan Li
1,2,
Mingsheng Bu
1,2,
Lianfeng Wu
1,2,
Bo Wang
1,2 and
Dongjiang Yang
3
1
State Key Laboratory of Marine Coatings, Qingdao 266071, China
2
Marine Chemical Research Institute Co., Ltd., Qingdao 266071, China
3
School of Environmental Science and Engineering, Qingdao University, Qingdao 266071, China
*
Authors to whom correspondence should be addressed.
Molecules 2023, 28(19), 6977; https://doi.org/10.3390/molecules28196977
Submission received: 7 September 2023 / Revised: 1 October 2023 / Accepted: 4 October 2023 / Published: 8 October 2023
(This article belongs to the Special Issue Feature Papers in Photochemistry and Photocatalysis)
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Abstract

The removal of antibiotics from wastewater to prevent their environmental accumulation is significant for human health and ecosystems. Herein, iron (Fe)-atom-doped anatase TiO2 nanofibers (Fe-TNs) were manufactured for the photocatalytic Fenton-like decomposition of tylosin (TYL) under LED illumination. Compared with the pristine TiO2 nanofibers (TNs), the optimized Fe-TNs exhibited improved visible-light-driven photocatalytic Fenton-like activity with a TYL degradation efficiency of 98.5% within 4 h. The effective TYL degradation could be attributed to the expanded optical light absorption and accelerated separation and migration of photogenerated electrons and holes after the introduction of Fe. The photogenerated electrons were highly conducive to the generation of active SO4•− radicals as they facilitated Fe(III)/Fe(II) cycles, and to oxidizing TYL. Moreover, the holes could be involved in TYL degradation. Thus, a significant enhancement in TYL degradation could be achieved. This research verifies the use of iron-doped anatase nanofibers as an effective method to synthesize novel photocatalytic Fenton-like catalysts through surface engineering for wastewater remediation.
Keywords: TiO2; Fe-doped; Fenton-like; photocatalyst; tylosin TiO2; Fe-doped; Fenton-like; photocatalyst; tylosin
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MDPI and ACS Style

Wang, X.; Lu, W.; Zhang, S.; Guo, C.; Yang, K.; Sun, Y.; Shao, Y.; Li, Q.; Bu, M.; Wu, L.; et al. The Use of Iron-Doped Anatase TiO2 Nanofibers for Enhanced Photocatalytic Fenton-like Reaction to Degrade Tylosin. Molecules 2023, 28, 6977. https://doi.org/10.3390/molecules28196977

AMA Style

Wang X, Lu W, Zhang S, Guo C, Yang K, Sun Y, Shao Y, Li Q, Bu M, Wu L, et al. The Use of Iron-Doped Anatase TiO2 Nanofibers for Enhanced Photocatalytic Fenton-like Reaction to Degrade Tylosin. Molecules. 2023; 28(19):6977. https://doi.org/10.3390/molecules28196977

Chicago/Turabian Style

Wang, Xiao, Wei Lu, Shangui Zhang, Changqing Guo, Kai Yang, Yan Sun, Yashi Shao, Qiyuan Li, Mingsheng Bu, Lianfeng Wu, and et al. 2023. "The Use of Iron-Doped Anatase TiO2 Nanofibers for Enhanced Photocatalytic Fenton-like Reaction to Degrade Tylosin" Molecules 28, no. 19: 6977. https://doi.org/10.3390/molecules28196977

APA Style

Wang, X., Lu, W., Zhang, S., Guo, C., Yang, K., Sun, Y., Shao, Y., Li, Q., Bu, M., Wu, L., Wang, B., & Yang, D. (2023). The Use of Iron-Doped Anatase TiO2 Nanofibers for Enhanced Photocatalytic Fenton-like Reaction to Degrade Tylosin. Molecules, 28(19), 6977. https://doi.org/10.3390/molecules28196977

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