柠檬酸三钠通过水热路径辅助α-MoO3的形态演化及其在提高锌镀层耐蚀性中的应用

Q2 Engineering

Materials Research Innovations Pub Date : 2023-02-25 DOI:10.1080/14328917.2023.2178744

Vijayakumar Gangaiah, Nayana K. O., P. Adarakatti, Gujjarahalli Thimmanna Chandrappa

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引用次数: 0

摘要

研究了柠檬酸三钠辅助水热合成α-MoO3纳米结构的简便方法。在水热过程中实现了柠檬酸三钠浓度依赖性α-MoO3的形态演化。随着柠檬酸三钠浓度的增加，可以观察到从纳米棒到纳米片的形态演变，这是由于柠檬酸三钠通过阻碍α-MoO3晶体沿[001]方向的生长而产生的形状导向作用。时间相关的水热实验结果表明，α-MoO3纳米棒的形成和生长是通过“Ostwald成熟-分裂”机制进行的。将合成的α-MoO3纳米棒成功地应用于硫酸酸镀液中在低碳钢表面制备Zn - α-MoO3镀层，并对镀层的腐蚀行为进行了研究。

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Trisodium citrate assisted morphological evolution of α-MoO3 via a facile hydrothermal route and its application to improve the corrosion resistance of zinc coating

ABSTRACT A facile trisodium citrate-assisted hydrothermal route was demonstrated for the synthesis of α-MoO3 nanostructures. Trisodium citrate concentration-dependent morphological evolution of α-MoO3 was achieved in hydrothermal process. The morphological evolution from nanorods to nanoplates was observed with increase in trisodium citrate concentration, owing to its shape directing effect by hindering the growth of α-MoO3 crystal along [001] direction. The time-dependent hydrothermal experimental results suggested that the formation and growth of α-MoO3 nanorods proceed through ‘Ostwald ripening-splitting’ mechanism. The synthesised α-MoO3 nanorods were successfully used to produce Zn – α-MoO3 coatings on mild steel using an acid sulphate bath, and the corrosion behaviour of the generated coatings was also investigated.

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来源期刊

Materials Research Innovations 工程技术-材料科学：综合

CiteScore

5.20

自引率

0.00%

发文量

审稿时长

2.8 months

期刊介绍： Materials Research Innovations covers all areas of materials research with a particular interest in synthesis, processing, and properties from the nanoscale to the microscale to the bulk. Coverage includes all classes of material – ceramics, metals, and polymers; semiconductors and other functional materials; organic and inorganic materials – alone or in combination as composites. Innovation in composition and processing to impart special properties to bulk materials and coatings, and for innovative applications in technology, represents a strong focus. The journal attempts to balance enduring themes of science and engineering with the innovation provided by such areas of research activity.