Comparative study of metal (Fe, Cu and Cr) doped ZnO nanostructure: Self-templated synthesis and application for photoelectrochemical water splitting

IF 16.4 1区化学 Q1 CHEMISTRY, MULTIDISCIPLINARY

Accounts of Chemical Research Pub Date : 2024-04-07 DOI:10.1007/s43153-024-00452-0

Moez Salem, H. Ghannam, A. Haouas, A. Almohammedi, I. Massoudi

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Abstract

A thorough examination was undertaken to evaluate ZnO nanostructured films doped with transition metals (M = Fe, Cu, and Cr) and their respective functional attributes, emphasizing their potential applications in optical technology and electronic components. Both pure and M-doped ZnO nanostructured films were synthesized through a co-precipitation and spin coating procedure. Structural investigations revealed that all films exhibited hexagonal wurtzite formation. XRD findings highlighted evident evolution in the lattice parameters of prepared doped samples in comparison to the pure ones. The introduction of M doping led to modifications in various crystalline parameters of the host ZnO layers. Photocurrent density measurements illustrated a range from 2.5 µA/cm² for pristine ZnO to 25, 8 and 19 µA/cm² for Fe, Cu, and Cr-doped samples, respectively, showcasing distinct variations in performance. Notably, this study represents the first reported comparative analysis of the functional properties of three dopants spin coated in ZnO films. These distinctive results position the coated layers as promising candidates for novel optoelectronic applications.

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金属（铁、铜和铬）掺杂氧化锌纳米结构的比较研究：自模板合成及其在光电化学水分离中的应用

研究人员对掺杂过渡金属（M = 铁、铜和铬）的氧化锌纳米结构薄膜及其各自的功能属性进行了深入研究，强调了它们在光学技术和电子元件中的潜在应用。通过共沉淀和旋涂工艺合成了纯氧化锌和掺杂 M 的纳米结构薄膜。结构研究表明，所有薄膜都呈现出六方菱形。XRD 研究结果表明，与纯样品相比，掺杂样品的晶格参数发生了明显变化。M 掺杂的引入导致主 ZnO 层的各种晶体参数发生变化。光电流密度测定结果表明，原始氧化锌的光电流密度为 2.5 µA/cm2，而掺杂铁、铜和铬的样品的光电流密度则分别为 25、8 和 19 µA/cm2，显示出性能上的明显差异。值得注意的是，这项研究首次报道了氧化锌薄膜中三种掺杂剂旋涂功能特性的比较分析。这些独特的结果使镀膜层成为新型光电应用的理想候选材料。

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来源期刊

Accounts of Chemical Research 化学-化学综合

CiteScore

31.40

自引率

1.10%

发文量

312

审稿时长

2 months

期刊介绍： Accounts of Chemical Research presents short, concise and critical articles offering easy-to-read overviews of basic research and applications in all areas of chemistry and biochemistry. These short reviews focus on research from the author’s own laboratory and are designed to teach the reader about a research project. In addition, Accounts of Chemical Research publishes commentaries that give an informed opinion on a current research problem. Special Issues online are devoted to a single topic of unusual activity and significance. Accounts of Chemical Research replaces the traditional article abstract with an article "Conspectus." These entries synopsize the research affording the reader a closer look at the content and significance of an article. Through this provision of a more detailed description of the article contents, the Conspectus enhances the article's discoverability by search engines and the exposure for the research.