Sol-gel synthesis, characterizations of efficient Y3+ doped ZnO nanoparticles for photocatalytic dye degradation and energy storage applications

IF 2.3 4区材料科学 Q2 MATERIALS SCIENCE, CERAMICS

Journal of Sol-Gel Science and Technology Pub Date : 2024-10-25 DOI:10.1007/s10971-024-06597-1

Asad ur Rehman Khan, Muhammad Ramzan, Sajawal ur Rehman Khan, Islem Abid, Faisal Saud Binhuday, Muhammad Abdul Majid, Abdul Rehman, Abhishek Singh

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Abstract

In this study, we report on the crystallographic, optical, and electrochemical properties of Yttrium (Y³⁺) doped ZnO nanoparticles synthesized by using the sol-gel method. The incorporation of Y³⁺ ions resulted in a significant reduction in the optical bandgap, from 3.26 eV for pure ZnO to 2.67 eV for Y-C nanoparticles, improving their light absorption capacity under visible light. X-ray diffraction analysis revealed a hexagonal wurtzite structure, showing an increase in crystallite size with the incorporation of Y³⁺ doping. This was accompanied by superior photocatalytic performance, where Y-B (4% Y³⁺) doped ZnO nanoparticles exhibited remarkable 97% degradation efficiency for methylene blue (MB), 4.4 times greater than that of undoped ZnO. Electrochemical analysis revealed an improvement in specific capacitance, ranging from 20.56 F/g to 75.88 F/g at various scan rates, highlighting the potential of Y-ZnO as a material for energy storage applications. These enhancements can be attributed to the unique influence of Y³⁺ ions, which induce lattice expansion and promote charge transfer efficiency. The synthesized Y³⁺ doped ZnO nanoparticles can be potential candidates for industrial applications such as environmental remediation through photocatalysis, and energy storage devices like supercapacitors.

Graphical Abstract

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用于光催化染料降解和储能应用的高效Y3+掺杂ZnO纳米颗粒的溶胶-凝胶合成、表征

在这项研究中，我们报道了用溶胶-凝胶法合成的钇（Y³）掺杂ZnO纳米粒子的晶体学、光学和电化学性能。Y³+离子的掺入导致光学带隙显著减小，从纯ZnO的3.26 eV降至Y- c纳米颗粒的2.67 eV，提高了它们在可见光下的光吸收能力。x射线衍射分析显示为六方纤锌矿结构，Y³⁺掺杂后晶体尺寸增大。这还伴随着优异的光催化性能，其中Y- b （4% Y³）掺杂的ZnO纳米颗粒对亚甲基蓝（MB）的降解效率达到97%，是未掺杂ZnO的4.4倍。电化学分析显示，在不同扫描速率下，Y-ZnO的比电容从20.56 F/g到75.88 F/g不等，这突出了Y-ZnO作为储能材料的潜力。这些增强可以归因于Y³+离子的独特影响，它可以诱导晶格膨胀并提高电荷转移效率。合成的Y3+掺杂ZnO纳米颗粒可以作为工业应用的潜在候选物，如通过光催化进行环境修复，以及超级电容器等储能器件。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.