Cu2O/rGO/α-Fe2O3三元复合材料的制备及其可见光催化降解罗丹明B性能研究

doi:10.3969/j.issn.1000-1565.2026.05.008

河北大学学报(自然科学版) ›› 2026, Vol. 46 ›› Issue (5): 524-533.DOI: 10.3969/j.issn.1000-1565.2026.05.008

Cu₂O/rGO/α-Fe₂O₃三元复合材料的制备及其可见光催化降解罗丹明B性能研究

蒋福凡¹,毛庆海²,盛伟超²,张达²,张萌²,史智豪²,牛立博¹,吕运开¹

收稿日期:2026-05-06 出版日期:2026-09-25 发布日期:2026-09-15
通讯作者: 河北省自然科学基金项目(B2026201033);保定市科技计划项目(2394F002)
作者简介:蒋福凡(2001—),男,河北大学在读硕士研究生,主要从事纳米催化剂的制备研究. E-mail: fan81202002@126.com

Preparation of Cu₂O/rGO/α-Fe₂O₃ ternary composites and their visible light catalytic degradation performance of Rhodamine B

JIANG Fufan¹, MAO Qinghai², SHENG Weichao², ZHANG Da², ZHANG Meng², SHI Zhihao², NIU Libo¹, LYU Yunkai¹

1. College of Chemistry and Materials Science, Hebei University, Baoding 071000, China; 2. Hebei Haikuo Environmental Technology Co., Ltd., Baoding 071000, China

Received:2026-05-06 Online:2026-09-25 Published:2026-09-15

摘要/Abstract

摘要： 针对Cu₂O存在光生载流子复合率高、电荷传输速率慢、循环稳定性差等问题,采用液相还原-沉积法,构建了Cu₂O/xrGO/yα-Fe₂O₃(x,y分别为GO和α-Fe₂O₃占Cu₂O的质量分数)光催化材料.对光催化剂进行了X射线衍射(XRD)、红外吸收光谱(FTIR)、扫描电子显微镜(SEM)、紫外-可见漫反射(UV-Vis)、电化学阻抗(EIS)等表征,并测试了光催化剂在可见光条件下降解罗丹明B的性能.结果表明:与Cu₂O光催化剂相比,Cu₂O/0.5rGO/7α-Fe₂O₃光催化效果明显提升,反应120 min时,罗丹明B的去除率可达到98.4%,其中催化剂添加量为0.4 g/L,罗丹明B初始质量浓度为25 mg/L,且循环使用5次后仍能保持较高的光催化降解率.在降解罗丹明B过程中,空穴(h⁺)和羟基自由基(·OH)起主要作用.此外,Cu₂O/0.5rGO/7α-Fe₂O₃光催化降解土霉素、四环素和氧氟沙星也表现出良好的效果.

中图分类号:

TB34

蒋福凡, 毛庆海, 盛伟超, 张达, 张萌, 史智豪, 牛立博, 吕运开. Cu₂O/rGO/α-Fe₂O₃三元复合材料的制备及其可见光催化降解罗丹明B性能研究[J]. 河北大学学报(自然科学版), 2026, 46(5): 524-533.

JIANG Fufan, MAO Qinghai, SHENG Weichao, ZHANG Da, ZHANG Meng, SHI Zhihao, NIU Libo, LYU Yunkai. Preparation of Cu₂O/rGO/α-Fe₂O₃ ternary composites and their visible light catalytic degradation performance of Rhodamine B[J]. Journal of Hebei University(Natural Science Edition), 2026, 46(5): 524-533.

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Cu₂O/rGO/α-Fe₂O₃三元复合材料的制备及其可见光催化降解罗丹明B性能研究

Preparation of Cu₂O/rGO/α-Fe₂O₃ ternary composites and their visible light catalytic degradation performance of Rhodamine B

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