|本期目录/Table of Contents|

[1]扶勇,张恩榕,李园春,等.溶剂热法合成铁酸铋/硫化铋材料及其光催化活化过硫酸盐降解罗丹明B的性能[J].浙江理工大学学报,2025,53-54(自科一):20-33.
　FU Yong,ZHANG Enrong,LI Yuanchun,et al.Solvothermal synthesis of bismuth ferrite/bismuth sulfide composites and their photocatalytic activation of persulfate for rhodamine B degradation[J].Journal of Zhejiang Sci-Tech University,2025,53-54(自科一):20-33.
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溶剂热法合成铁酸铋/硫化铋材料及其光催化活化过硫酸盐降解罗丹明B的性能()
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浙江理工大学学报[ISSN:1673-3851/CN:33-1338/TS]

卷:
第53-54卷
期数:
2025年自科第一期
页码:
20-33
栏目:
出版日期:
2025-01-10

文章信息/Info

Title:
Solvothermal synthesis of bismuth ferrite/bismuth sulfide composites and their photocatalytic activation of persulfate for rhodamine B degradation
文章编号:
1673-3851 (2025) 01-0020-14
作者:
扶勇; 张恩榕; 李园春; 尹思敏
浙江理工大学机械工程学院，杭州 310018
Author(s):
FU Yong; ZHANG Enrong; LI Yuanchun; YIN Simin
School of Mechanical Engineering, Zhejiang Sci-Tech University, Hangzhou 310018, China
关键词:
铁酸铋(Bi 2Fe 4O 9); 硫化铋（Bi 2S 3）; 过硫酸盐; 光催化; 罗丹明B; 有机物降解
分类号:
TB34
文献标志码:
A
摘要:
为了获得高效过硫酸盐(Persulfate, PDS)活化剂，采用溶剂热法在莫来石相铁酸铋(Bi 2Fe 4O 9)纳米片表面进行硫化铋（Bi 2S 3）纳米针的原位生长，制备了片针状铁酸铋/硫化铋（Bi 2Fe 4O 9/Bi 2S 3）材料，通过SEM、XRD、XPS、UV Vis等方法对复合材料的微结构进行表征，对可见光下活化PDS催化降解罗丹明B(Rh B)的性能进行了研究。结果表明：溶剂的使用和硫代乙酰胺（TAA）的添加量对复合材料的制备具有显著影响，在乙二醇和乙醇混合溶剂下能成功制备复合材料；以0 6 mmol TAA所制备的Bi 2Fe 4O 9/Bi 2S 3 0 6(BFO BS 0 6)复合材料禁带宽度最小，约为1 32 eV；在可见光( λ ＞420 nm)下，50 min内对Rh B降解效率达98%（Rh B 20 mg/L，PDS 1 5 mmol/L ），降解速率是Bi 2Fe 4O 9的2 24倍；所制备的Bi 2Fe 4O 9/Bi 2S 3材料稳定性良好，在pH值为3~5的环境下能够保持98%的降解效率，3次循环实验后降解效率能够保持85%以上；PDS活化降解Rh B过程中的主要活性物质为 1O 2和·O 2 。该研究可为高效铋基PDS活化剂的设计制备提供新思路。undefined

参考文献/References:

［1］He S X, Chen Y X, Li X, et al. Heterogeneous photocatalytic activation of persulfate for the removal of organic contaminants in water: A critical review［J］. ACS ES&T Engineering, 2022, 2(4):527-546.
［2］唐凌枫,高文森,叶宸硕,等.铁酸铋/钴镍层状双氢氧化物复合材料的制备及光催化活化过硫酸盐降解罗丹明B的性能［J］.浙江理工大学学报(自然科学), 2024,51(5): 598-608.
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［7］Chen G Y, Yu Y, Liang L, et al. Remediation of antibiotic wastewater by coupled photocatalytic and persulfate oxidation system: A critical review［J］. Journal of Hazardous Materials, 2021, 408:124461.
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［10］Lin Y T, Liang C J, Chen J H. Feasibility study of ultraviolet activated persulfate oxidation of phenol［J］. Chemosphere, 2011, 82(8):1168-1172.

备注/Memo

备注/Memo:
收稿日期： 2024-08-09
网络出版日期：网络出版日期2024-09-30
基金项目： 国家自然科学基金项目(51602286)
作者简介： 扶勇（2000—），男，湖南娄底人，硕士研究生，主要从事光催化材料方面的研究
通信作者： 尹思敏,E-mail:yinsm@zstu.edu.cn
更新日期/Last Update: 2025-01-07