Bromine-doped Bi2MoO6 nanosheets: synergistic effects of band structure engineering and oxygen vacancy regulation for boosting photocatalytic activity
文献类型： 外文期刊
作者： Gu, Jiayu 1 ; Wu, Mingzhou 1 ; Wang, Linlin 2 ; Liu, Fengling 2 ; He, Suhao 1 ; Ding, Minrui 1 ; Yao, Yuye 1 ; Tao, Neng 1 ; Sha, Haitao 1 ; Guo, Zhaobing 2 ; Zhou, Huimin 3 ; Zhou, Pin 1 ; Qiu, Pengxiang 2 ;
作者机构： 1.Changzhou Inst Technol, Sch Chem Engn & Mat, Changzhou 213032, Peoples R China
2.Nanjing Univ Informat Sci & Technol, Collaborat Innovat Ctr Atmospher Environm & Equipm, Sch Environm Sci & Engn, Jiangsu Key Lab Atmospher Environm Monitoring & Po, Nanjing 210044, Peoples R China
3.Jiangsu Acad Agr Sci, Inst Leisure Agr, Jiangsu Key Lab Hort Crop Genet Improvement, Nanjing 210014, Peoples R China
4.Suqian Univ, Suqian 223800, Peoples R China
关键词： Photocatalysis; Oxygen vacancy; Bromine doping; Bacteriostatic; Sulfamethazine degradation
期刊名称：JOURNAL OF MOLECULAR STRUCTURE （ 影响因子：4.7； 五年影响因子：4.0 ）
ISSN： 0022-2860
年卷期： 2025 年 1343 卷
页码：
收录情况： SCI
摘要： Photocatalyst modification by energy level engineering is crucial for efficient free radical generation. Here, a novel strategy was employed to construct bromine-doped Bi2MoO6 (BMO-Br) followed by an in-situ approach using Cetyltrimethylammonium bromide (CTAB) as the bromine (Br) precursor. The Br doping effectively modulated the energy band, increasing the oxygen vacancy concentration in Bi2MoO6. The modification significantly enhanced photoinduced charge separation and active free radical generation, leading to superior photocatalytic performance. The photocatalytic bacteriostatic and sulfamethazine (SM) degradation efficiency over BMO-Br-4 reached 100 % and 70 % within 60 min and 150 min, respectively. This work highlighted a facile yet effective strategy for tailoring the photocatalyst properties, demonstrating promising potential for various photocatalytic applications.
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