Citation: Feihu Mu, Benlin Dai, Chuxuan Dai, Xiaozhong Chu, Jiming Xu, Junyu Shen, Wei Zhao, Guohui Dong. Novel 2D/1D MXene/Bi₅O₇I Schottky junction for photocatalytic degradation of bisphenol AF by peroxymonosulfate-assisted photocatalysis[J]. Chinese Chemical Letters, ;2026, 37(9): 111866. doi: 10.1016/j.cclet.2025.111866 shu

Novel 2D/1D MXene/Bi₅O₇I Schottky junction for photocatalytic degradation of bisphenol AF by peroxymonosulfate-assisted photocatalysis

Feihu Mu ^a ,
Benlin Dai ^a ,
Chuxuan Dai ^a ,
Xiaozhong Chu ^a ,
Jiming Xu ^a ,
Junyu Shen ^{b, *,} ,
Wei Zhao ^{b, *,} ,
Guohui Dong ^{c, *,}

a.
Jiangsu Key Laboratory for Chemistry of Low-Dimensional Materials, School of Chemistry and Chemical Engineering, Huaiyin Normal University, Huaian 223300, China
b.
School of Materials Engineering, Suzhou University of Technology, Changshu 215500, China
c.
School of Environmental Science and Engineering, Shaanxi University of Science & Technology, Xi’an 710021, China

shenjunyu2014@126.com

lmjzhaowei@foxmail.com

dongguohui@sust.edu.cn

Received Date: 22 May 2025
Revised Date: 7 August 2025
Accepted Date: 21 September 2025
Available Online: 22 September 2025

Figures(5)

Considering the urgency of endocrine disrupting chemicals (EDCs) management, a novel 2D MXene/1D Bi₅O₇I Schottky junction photocatalyst was constructed for the degradation of bisphenol AF (BPAF) by peroxymonosulfate (PMS)-assisted photocatalytic system. Under visible light, the 8-MXene/Bi₅O₇I/PMS system could degrade 93.4% (0.02984 min^-1) of BPAF at 90 min, which was 5.04 and 3.35 times that of Bi₅O₇I and MXene/Bi₅O₇I, respectively. This demonstrated the synergistic interaction between photocatalysis and PMS activation, and the ability of MXene to promote the reaction. Density functional theory (DFT) calculations combined with experiments revealed the catalytic reaction mechanism of the system. Additionally, based on Gaussian calculations, the key intermediates of the degradation process were proposed. This study provides a new insight into PMS-assisted photocatalytic systems for effective degradation of organic pollutants.
- MXene,
- Schottky junction,
- Peroxymonosulfate,
- Photocatalysis,
- PMS
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

Novel 2D/1D MXene/Bi5O7I Schottky junction for photocatalytic degradation of bisphenol AF by peroxymonosulfate-assisted photocatalysis

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通讯作者: 陈斌, bchen63@163.com

Novel 2D/1D MXene/Bi₅O₇I Schottky junction for photocatalytic degradation of bisphenol AF by peroxymonosulfate-assisted photocatalysis