Synthesis of Copper-Coated CuS Core–Shell Nanoparticles by CBD for Rhodamine Blue Dye Degradation

IF 2.2 4区工程技术 Q3 ENGINEERING, ELECTRICAL & ELECTRONIC

Journal of Electronic Materials Pub Date : 2024-11-12 DOI:10.1007/s11664-024-11573-0

Varun Kumar, Himanshu Sharma, Munish Kumar Yadav, Sarvendra Kumar, Devendra Kumar Rana, Vidya Nand Singh, Surbhi

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Abstract

Core–shell nanoparticles were synthesised by coating copper over CuS nanoparticles, which were synthesised using different precursors. X-ray diffraction, x-ray photoelectron spectroscopy (XPS) and field-emission electron microscopy (FESEM) analysis showed the variation in crystallite size, chemical state, and morphological properties. The band gap was in the range of 1.32–2.08 eV for coated and uncoated samples. The emission peaks in photoluminescence spectra showed the presence of defects, and all analyses were correlated with each other to explain the 95% degradation of 50 ml rhodamine blue dye at a concentration of 1 mg/L in 60 min using the catalytic weight of 15 mg. The plasmonic properties were observed in near-infrared (NIR) absorption analysis and explained with the help of XPS and its enhancement in photocatalytic activity. The coating of copper over copper sulphide nanoparticles in sample 1-C and 2-C showed improved catalytic degradation for rhodamine blue.

Graphical Abstract

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CBD合成铜包覆cu核壳纳米颗粒降解罗丹明蓝染料

采用不同的前驱体，将铜包覆在cu纳米颗粒上，合成了核壳纳米颗粒。x射线衍射，x射线光电子能谱（XPS）和场发射电子显微镜（FESEM）分析显示了晶体尺寸，化学状态和形态性质的变化。包覆和未包覆样品的带隙在1.32 ~ 2.08 eV之间。光致发光光谱的发射峰显示了缺陷的存在，所有的分析结果相互关联，解释了在催化质量为15 mg的情况下，在浓度为1 mg/L的50 ml罗丹明蓝染料在60 min内降解95%。用近红外（NIR）吸收分析观察了等离子体的性质，并利用XPS解释了其光催化活性的增强。在样品1-C和2-C中，铜包覆在硫化铜纳米颗粒上，对罗丹明蓝的催化降解效果有所改善。图形抽象

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

Journal of Electronic Materials 工程技术-材料科学：综合

CiteScore

4.10

自引率

4.80%

发文量

693

审稿时长

3.8 months

期刊介绍： The Journal of Electronic Materials (JEM) reports monthly on the science and technology of electronic materials, while examining new applications for semiconductors, magnetic alloys, dielectrics, nanoscale materials, and photonic materials. The journal welcomes articles on methods for preparing and evaluating the chemical, physical, electronic, and optical properties of these materials. Specific areas of interest are materials for state-of-the-art transistors, nanotechnology, electronic packaging, detectors, emitters, metallization, superconductivity, and energy applications. Review papers on current topics enable individuals in the field of electronics to keep abreast of activities in areas peripheral to their own. JEM also selects papers from conferences such as the Electronic Materials Conference, the U.S. Workshop on the Physics and Chemistry of II-VI Materials, and the International Conference on Thermoelectrics. It benefits both specialists and non-specialists in the electronic materials field. A journal of The Minerals, Metals & Materials Society.