Exploring the ZnO/CuO/g-C3N4 nanocomposite for superior energy storage capabilities

IF 3.2 4区材料科学 Q2 MATERIALS SCIENCE, CERAMICS Journal of Sol-Gel Science and Technology Pub Date : 2025-01-26 DOI:10.1007/s10971-025-06671-2

C. Thirupathi, J. Bosco Franklin, J. Mohemed Ali, M. Mercy Jenifer, M. Sangamithirai, S. John Sundaram, Mir Waqas Alam, Pitcheri Rosaiah

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Abstract

In this study, the synthesis and electrochemical performance of a zinc oxide/copper oxide/graphitic carbon nitride ZnO/CuO/g-C₃N₄ composite for energy storage applications were investigated. The synthesis was carried out using a multi-step process, where ZnO/CuO was prepared via co-precipitation, and g-C₃N₄ was synthesized through thermal polymerization. Fourier-transform infrared spectroscopy (FTIR) revealed the presence of metal-oxide bonds and carbon-nitrogen functional groups, verifying the successful integration of g-C₃N₄ into the ZnO/CuO system. UV-visible absorption studies exhibited a red shift and a broader absorption band in the ZnO/CuO/g-C₃N₄ composite, indicating enhanced optical properties, which are favorable for energy storage applications. Furthermore, cyclic voltammetry (CV) measurements demonstrated superior capacitance and excellent rate capability, achieving a specific capacitance of 253 F/g at a scan rate of 10 mV/s. The combined structural, optical, and electrochemical properties of the ZnO/CuO/g-C₃N₄ composite underscore its potential as an advanced material for energy storage applications.

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探索ZnO/CuO/g-C3N4纳米复合材料的优异储能性能

在本研究中，研究了氧化锌/氧化铜/石墨氮化碳ZnO/CuO/g-C₃N₄储能复合材料的合成及其电化学性能。采用共沉淀法制备ZnO/CuO，热聚合法制备g-C₃N₄。傅里叶变换红外光谱（FTIR）发现了金属氧化物键和碳氮官能团的存在，验证了g-C₃N₄成功集成到ZnO/CuO体系中。紫外可见吸收研究表明，ZnO/CuO/g-C₃N₄复合材料具有红移和更宽的吸收带，表明其光学性能增强，有利于储能应用。此外，循环伏安法（CV）测量显示出卓越的电容和出色的速率能力，在10 mV/s的扫描速率下实现了253 F/g的比电容。ZnO/CuO/g-C₃N₄复合材料的结构、光学和电化学性能突出了其作为储能应用的先进材料的潜力。图形抽象

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来源期刊

Journal of Sol-Gel Science and Technology 工程技术-材料科学：硅酸盐

CiteScore

4.70

自引率

4.00%

发文量

280

审稿时长

2.1 months

期刊介绍： The primary objective of the Journal of Sol-Gel Science and Technology (JSST), the official journal of the International Sol-Gel Society, is to provide an international forum for the dissemination of scientific, technological, and general knowledge about materials processed by chemical nanotechnologies known as the "sol-gel" process. The materials of interest include gels, gel-derived glasses, ceramics in form of nano- and micro-powders, bulk, fibres, thin films and coatings as well as more recent materials such as hybrid organic-inorganic materials and composites. Such materials exhibit a wide range of optical, electronic, magnetic, chemical, environmental, and biomedical properties and functionalities. Methods for producing sol-gel-derived materials and the industrial uses of these materials are also of great interest.