反应压力和反应时间对ZnO纳米材料结构特性的控制

IF 1.4 4区 材料科学 Q3 MATERIALS SCIENCE, CERAMICS Science of Sintering Pub Date : 2022-01-01 DOI:10.2298/sos2201073k
Nida Katı, S. Ozan, T. Yıldız, Ayça Korkmaz
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引用次数: 0

摘要

在纳米粉体生产中,影响粉体粒度和形貌的最重要参数是工作温度和工作时间。尺寸的减小使材料增加了新的电气、机械、化学和光学特性。由于纳米氧化锌在工业、化妆品、电子等领域的多维应用,其性能具有特别重要的意义。采用水热法在不同温度(140、180和220℃)和不同时间(12、18和24 h)下合成了不同形貌的氧化锌(ZnO),并用SEM、EDX、XRD和UV-vis技术对样品进行了表征。SEM和EDX分析结果表明,ZnO纳米结构已经形成。XRD图谱表明,样品结晶良好,呈六方纤锌矿结构。不同参数下合成样品的能带值分别为3.07、3.10、3.19、3.17和3.13 eV。
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Controlling of the structural characteristics of ZnO nanomaterials by reaction pressure and reaction time
The most significant parameters affecting particle size and morphology in nanoscale powder production are the working temperature and working time. The reduction in size leads to the addition of new electrical, mechanical, chemical and optical properties to the materials. The properties of nano ZnO are of special importance due to its multi-dimensional applications in the fields of industry, cosmetics, electronics, etc. Zinc oxide (ZnO) with various morphologies was synthesized by hydrothermal method at different temperatures (140, 180 and 220oC) and different times (12, 18 and 24 h). The samples were characterized by SEM, EDX, XRD and UV-vis techniques.SEM and EDX findings show that especially ZnO nanostructures have developed. The pattern of the XRD showed that the sample was well crystallized in a structure of hexagonal wurtzite. The energy band gap values samples synthesized at different parameters were found to be 3.07, 3.10, 3.19, 3.17 and 3.13 eV, respectively.
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来源期刊
Science of Sintering
Science of Sintering 工程技术-材料科学:硅酸盐
CiteScore
2.50
自引率
46.70%
发文量
20
审稿时长
3.3 months
期刊介绍: Science of Sintering is a unique journal in the field of science and technology of sintering. Science of Sintering publishes papers on all aspects of theoretical and experimental studies, which can contribute to the better understanding of the behavior of powders and similar materials during consolidation processes. Emphasis is laid on those aspects of the science of materials that are concerned with the thermodynamics, kinetics and mechanism of sintering and related processes. In accordance with the significance of disperse materials for the sintering technology, papers dealing with the question of ultradisperse powders, tribochemical activation and catalysis are also published. Science of Sintering journal is published four times a year. Types of contribution: Original research papers, Review articles, Letters to Editor, Book reviews.
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