NixCoxMgxCuxZn1-4xO 纳米材料的特性：其结构和磁性以及功能属性

IF 5.1 2区材料科学 Q1 MATERIALS SCIENCE, CERAMICS

Ceramics International Pub Date : 2024-10-03 DOI:10.1016/j.ceramint.2024.10.019

Trinh Duc Thien , Nguyen Van Thang , Le T.M. Cham , Pham Duc Thang , Nguyen Dang Co , Pham Van Duong , Pham Hong Minh , Nguyen Dinh Lam

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引用次数: 0

摘要

本研究评估了 NixCoxMgxCuxZn1-4xO 纳米材料（x = 0.000-0.010）的光催化、结构、形态、光学和磁学特性。NixCoxMgxCuxZn1-4xO 纳米材料是采用温度辅助共沉淀技术合成的。利用 X 射线衍射（XRD）、场发射扫描电子显微镜（FE-SEM）、傅立叶变换红外光谱（FTIR）、紫外可见光谱和振动样品磁力计（VSM）研究了 NixCoxMgxCuxZn1-4xO 纳米材料的特性。XRD 分析表明，掺杂剂掺入了氧化锌晶体结构，影响了晶格参数。随着掺杂水平的增加，磁性行为从二磁性过渡到二磁性和铁磁性的结合。光带隙随着掺杂剂浓度的增加而减小。值得注意的是，x = 0.001 的纳米材料表现出最佳的光催化性能，在紫外光下 20 分钟内降解了 98.9% 的罗丹明 B。这种纳米材料对甲基橙和刚果红也有疗效，羟基自由基在去除污染物方面发挥了关键作用。这些发现证明了 NixCoxMgxCuxZn1-4xO 纳米材料（x = 0.001）具有卓越的可重复使用性和稳定性。

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Characteristics of NixCoxMgxCuxZn1-4xO nanomaterials: Their structural and magnetic properties and functional attributes

The current study evaluates the photocatalytic, structural, morphological, optical, and magnetic characteristics of the Ni_xCo_xMg_xCu_xZn_1-4xO nanomaterials (x = 0.000–0.010). The Ni_xCo_xMg_xCu_xZn_1-4xO nanomaterials were synthesized using the temperature-assisted co-precipitation technique. The characteristics of the Ni_xCo_xMg_xCu_xZn_1-4xO nanomaterials were investigated using X-ray diffraction (XRD), Field emission scanning electron microscopy (FE-SEM), Fourier transform infrared spectroscopy (FTIR), UV–Vis spectroscopy, and Vibrating sample magnetometer (VSM). XRD analysis revealed dopant incorporation into the ZnO crystal structure, affecting lattice parameters. Magnetic behavior transitioned from diamagnetic to a combination of diamagnetic and ferromagnetic with increasing dopant levels. The optical band gap decreased as dopant concentration increased. Notably, the nanomaterial with x = 0.001 exhibited optimal photocatalytic performance, degrading 98.9 % of Rhodamine B within 20 min under UV light. This nanomaterial also showed efficacy against Methyl Orange and Congo Red, with hydroxyl radicals playing a crucial role in pollutant removal. These findings provide the exceptional reusability and stability of the Ni_xCo_xMg_xCu_xZn_1-4xO nanomaterials (x = 0.001)

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来源期刊

Ceramics International 工程技术-材料科学：硅酸盐

CiteScore

9.40

自引率

15.40%

发文量

4558

审稿时长

25 days

期刊介绍： Ceramics International covers the science of advanced ceramic materials. The journal encourages contributions that demonstrate how an understanding of the basic chemical and physical phenomena may direct materials design and stimulate ideas for new or improved processing techniques, in order to obtain materials with desired structural features and properties. Ceramics International covers oxide and non-oxide ceramics, functional glasses, glass ceramics, amorphous inorganic non-metallic materials (and their combinations with metal and organic materials), in the form of particulates, dense or porous bodies, thin/thick films and laminated, graded and composite structures. Process related topics such as ceramic-ceramic joints or joining ceramics with dissimilar materials, as well as surface finishing and conditioning are also covered. Besides traditional processing techniques, manufacturing routes of interest include innovative procedures benefiting from externally applied stresses, electromagnetic fields and energetic beams, as well as top-down and self-assembly nanotechnology approaches. In addition, the journal welcomes submissions on bio-inspired and bio-enabled materials designs, experimentally validated multi scale modelling and simulation for materials design, and the use of the most advanced chemical and physical characterization techniques of structure, properties and behaviour. Technologically relevant low-dimensional systems are a particular focus of Ceramics International. These include 0, 1 and 2-D nanomaterials (also covering CNTs, graphene and related materials, and diamond-like carbons), their nanocomposites, as well as nano-hybrids and hierarchical multifunctional nanostructures that might integrate molecular, biological and electronic components.