Electrochemical, structural, optical, and morphological characteristics of Cu-loaded ZnO nanostructures synthesized from bio-waste (maize) using a green synthesis technique

IF 1 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Digest Journal of Nanomaterials and Biostructures Pub Date : 2023-03-01 DOI:10.15251/djnb.2023.181.291

R. Jagadeeswari, G. Rathika, K. Satheesh kumar, P. Selvakumar

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Abstract

The study reports feasibility to synthesis copper loaded ZnO nanoparticles using a green synthesis approach influenced by natural extracts from waste maize materials is explored. Different methods were used to investigate the physicochemical characteristics of Cu-ZnO nanoparticles. X-ray diffraction (XRD) and Fourier transform infrared spectroscopy (FTIR) studies were used to investigate the structural behavior of Cu-ZnO nanoparticles. XRD analysis shows that Cu-ZnO has a typical crystallite size of 23.5nm and a confirmed hexagonal structure. In the wavenumber range 400–600 cm-1 , FT-IR confirmed the presence of metallic elements in Cu-ZnO samples. Through the use of UV–vis spectroscopy, we were able to investigate the optical characteristics of Cu-ZnO. The samples' surface morphology was recorded by FESEM, and their elemental content was evaluated by EDX. This verifies the spherical shape of prepared samples with homogeneous size distributions across their structures. The nanostructured redox behaviour of electroactive Cu-ZnO has been investigated by cyclic voltammetry

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利用绿色合成技术从生物废料（玉米）中合成Cu负载ZnO纳米结构的电化学、结构、光学和形态特征

本研究报告了在废玉米材料中天然提取物的影响下，采用绿色合成方法合成负载铜的ZnO纳米颗粒的可行性。采用不同的方法研究了纳米Cu-ZnO的物理化学性质。利用X射线衍射（XRD）和傅立叶变换红外光谱（FTIR）研究了Cu-ZnO纳米颗粒的结构行为。XRD分析表明，Cu-ZnO具有23.5nm的典型晶粒尺寸和证实的六方结构。在400–600 cm-1的波数范围内，FT-IR证实了Cu-ZnO样品中存在金属元素。通过使用紫外-可见光谱，我们能够研究Cu-ZnO的光学特性。通过FESEM记录样品的表面形貌，并通过EDX评估其元素含量。这验证了制备的样品在其结构上具有均匀尺寸分布的球形。用循环伏安法研究了电活性Cu-ZnO的纳米氧化还原行为

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