Nickel-doped barium oxide nanoclusters as efficient electrode for the detection of 4-nitrophenol

IF 4.3 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Chemistry and Physics Pub Date : 2024-10-10 DOI:10.1016/j.matchemphys.2024.130037

Manawwer Alam , Aditya Srivastava , Wejdan Al-Otaibi , Rizwan Wahab , Shamshad A. Khan , Sadia Ameen

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Abstract

This study presents the synthesis, characterization, and application of Ni-doped barium oxide nanoclusters (BaNiO₃NCs), as a highly efficient material for the 4-nitrophenol (4-NP) sensing. X-ray diffraction (XRD) analysis confirmed that the formation of desired crystalline structure while scanning electron microscopy (SEM) and transmission electron microscopy (TEM) provided insights into the morphology and size distribution of the nanoparticles. Energy-dispersive X-ray spectroscopy (EDX) confirmed the successful incorporation of Ni ions into the barium metal oxide lattice. The chemical bonds present in the synthesized substance were further explored through characterization using Fourier-transform infrared spectroscopy (FT IR). Comprehensive details regarding the elemental oxidation states and surface chemical composition were obtained via use of X-ray photoelectron spectroscopy (XPS) analysis. Zeta potential analysis clarified the surface charge features, and UV–Vis spectroscopy was utilized to study the optical properties of the prepared material. Thermogravimetric analysis (TGA) was also performed to evaluate the material's thermal stability. Through electrochemical experiments, the sensing capability of BaNiO₃NCs/GCE towards 4-NP detection was assessed. The results showed a promising 3.70 μA μM⁻¹ cm⁻² sensitivity, 2.71 μM detection limit, and stability of 15 μM for 24 days. The synthesized material's structure-property correlations are comprehensively explained by this multimodal characterization technique, underscoring the material's promise for environmental monitoring and pollution detection applications.

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掺镍氧化钡纳米团簇作为检测 4-硝基苯酚的高效电极

本研究介绍了掺镍氧化钡纳米团簇（BaNiO3NCs）的合成、表征和应用，这是一种用于 4-硝基苯酚（4-NP）传感的高效材料。X 射线衍射（XRD）分析证实了理想晶体结构的形成，而扫描电子显微镜（SEM）和透射电子显微镜（TEM）则对纳米颗粒的形态和尺寸分布提供了深入了解。能量色散 X 射线光谱（EDX）证实镍离子成功地融入了金属氧化钡晶格。通过使用傅立叶变换红外光谱（FT IR）进行表征，进一步探索了合成物质中存在的化学键。通过 X 射线光电子能谱（XPS）分析，获得了元素氧化态和表面化学成分的全面细节。Zeta 电位分析明确了表面电荷特征，紫外可见光谱则用于研究制备材料的光学特性。此外，还进行了热重分析（TGA）以评估材料的热稳定性。通过电化学实验，评估了 BaNiO3NCs/GCE 检测 4-NP 的传感能力。结果表明，该材料的灵敏度为 3.70 μA μM-1 cm-2，检出限为 2.71 μM，24 天的稳定性为 15 μM。这种多模态表征技术全面解释了合成材料的结构-性能相关性，突出了该材料在环境监测和污染检测应用中的前景。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Materials Chemistry and Physics 工程技术-材料科学：综合

CiteScore

8.70

自引率

4.30%

发文量

1515

审稿时长

69 days

期刊介绍： Materials Chemistry and Physics is devoted to short communications, full-length research papers and feature articles on interrelationships among structure, properties, processing and performance of materials. The Editors welcome manuscripts on thin films, surface and interface science, materials degradation and reliability, metallurgy, semiconductors and optoelectronic materials, fine ceramics, magnetics, superconductors, specialty polymers, nano-materials and composite materials.