Microwave-assisted synthesis of Fe/Ni co-doped BiOBr: enhanced photocatalytic performance for rhodamine B degradation under visible light irradiation

IF 2.8 4区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

Journal of Materials Science: Materials in Electronics Pub Date : 2025-10-02 DOI:10.1007/s10854-025-15847-z

Thirawit Phonkhokkong, Surangkana Wannapop, Sulawan Kaowphong, Titipun Thongtem, Somchai Thongtem, Rattanaporn Somrit, Warut Koonnasoot

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引用次数: 0

Abstract

Bismuth oxybromide (BiOBr) doped with varying concentrations of iron (Fe) and nickel (Ni) was synthesized using microwave radiation at a power of 300 W for 10 min. The effect of Fe–Ni co-doping on the photocatalytic degradation of rhodamine B under visible light irradiation was investigated. Characterization techniques, including X-ray diffraction (XRD), field emission scanning electron microscopy (FE-SEM), transmission electron microscopy (TEM), Fourier transform infrared spectroscopy (FT-IR), UV‒visible spectrophotometry, photoluminescence spectroscopy (PL), energy dispersive X-ray spectroscopy (EDX), and X-ray photoelectron spectroscopy (XPS), were introduced for the analysis of the phase, structure, morphology, surface composition elemental states, and optical properties of the synthesized materials. Photocatalytic activity tests revealed that BiOBr doped with 0.50% Fe and Ni exhibited superior performance and the highest photocatalytic activity, accompanied by excellent stability. The observed improvement in photocatalytic activity was attributed to the presence of hydroxyl radicals (•OH) as the primary active species, as identified through analysis. These findings champion the potential of Fe–Ni co-doped BiOBr as an efficient photocatalyst for environmental remediation.

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微波辅助合成Fe/Ni共掺杂BiOBr：增强可见光下罗丹明B降解的光催化性能

采用功率为300 W，微波辐照10 min的方法合成了掺杂不同浓度铁（Fe）和镍（Ni）的氧化溴化铋（BiOBr）。研究了Fe-Ni共掺杂对可见光下罗丹明B光催化降解的影响。采用x射线衍射（XRD）、场发射扫描电镜（FE-SEM）、透射电子显微镜（TEM）、傅里叶变换红外光谱（FT-IR）、紫外可见分光光度法、光致发光光谱（PL）、能量色散x射线光谱（EDX）、x射线光电子能谱（XPS）等表征技术对材料的物相、结构、形貌、表面组成、元素态等进行了分析。以及合成材料的光学性能。光催化活性测试表明，掺0.50% Fe和Ni的BiOBr表现出优异的光催化活性，并具有优异的稳定性。观察到的光催化活性的提高是由于羟基自由基（•OH）作为主要活性物质的存在，通过分析确定。这些发现支持了Fe-Ni共掺杂BiOBr作为环境修复的有效光催化剂的潜力。

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来源期刊

Journal of Materials Science: Materials in Electronics 工程技术-材料科学：综合

CiteScore

5.00

自引率

7.10%

发文量

1931

审稿时长

2 months

期刊介绍： The Journal of Materials Science: Materials in Electronics is an established refereed companion to the Journal of Materials Science. It publishes papers on materials and their applications in modern electronics, covering the ground between fundamental science, such as semiconductor physics, and work concerned specifically with applications. It explores the growth and preparation of new materials, as well as their processing, fabrication, bonding and encapsulation, together with the reliability, failure analysis, quality assurance and characterization related to the whole range of applications in electronics. The Journal presents papers in newly developing fields such as low dimensional structures and devices, optoelectronics including III-V compounds, glasses and linear/non-linear crystal materials and lasers, high Tc superconductors, conducting polymers, thick film materials and new contact technologies, as well as the established electronics device and circuit materials.