木槿介导的铝酸钴锌纳米颗粒的合成、表征及其作为颜料的应用

IF 3.9 3区材料科学 Q2 MATERIALS SCIENCE, MULTIDISCIPLINARY

Materials Science and Engineering: B Pub Date : 2025-04-28 DOI:10.1016/j.mseb.2025.118367

Dana Gingasu , Bogdan Stefan Vasile , Roxana Doina Trusca , Jose Maria Calderon Moreno , Vasile-Adrian Surdu , Gabriela Marinescu , Simona Somacescu , Daniela C. Culita , Constantin-Daniel Negut , Silviu Preda , Adelina-Carmen Ianculescu

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引用次数: 0

摘要

以芙蓉叶水提物为原料，采用简单环保的方法合成了钴锌铝酸盐（Co1-xZnxAl2O4）颜料。在1000℃煅烧2 h后，证实了纯尖晶石晶格的存在。平均晶粒尺寸在12 ~ 16 nm之间。SEM和TEM研究表明，制备的纳米锌取代钴铝酸盐具有较高的结晶度和组成均匀性。TEM显示，随着Zn含量的增加，平均粒径由48.4 nm减小到14.2 nm。所得铝酸盐的光能带隙在1.82 ~ 2.21 eV之间。用这种绿色方法合成的纳米颗粒有可能作为颜料使用，在颜色坐标为b* =−6.52和C* = 12.92的Co0.25Zn0.75Al2O4样品中获得了最好的结果。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

Hibiscus rosa-sinensis − mediated synthesis of cobalt-zinc aluminate nanoparticles, characterization and their applications as pigments

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Hibiscus rosa-sinensis − mediated synthesis of cobalt-zinc aluminate nanoparticles, characterization and their applications as pigments

This paper describes the synthesis of cobalt-zinc aluminates (Co_1-xZn_xAl₂O₄) pigments, through a simple and eco-friendly method using the aqueous extract of Hibiscus rosa-sinensis leaves. The presence of a pure spinel lattice after calcination at 1000 °C for 2 h was confirmed. The mean crystallite size is between 12 and 16 nm. The SEM and TEM investigations revealed a high degree of crystallinity and compositional homogeneity of the prepared nanosized zinc-substituted cobalt aluminates. The average particle size, revealed by TEM, decreases from 48.4 nm to 14.2 nm with the increase of Zn content. The values of the optical energy band gap for the obtained aluminates range from 1.82 to 2.21 eV. The nanoparticles synthesized by this green method could be potentially useful as pigments, the best result being obtained for the Co_0.25Zn_0.75Al₂O₄ sample with b* = −6.52 and C* = 12.92 colour coordinates.

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来源期刊

Materials Science and Engineering: B 工程技术-材料科学：综合

CiteScore

5.60

自引率

2.80%

发文量

481

审稿时长

3.5 months

期刊介绍： The journal provides an international medium for the publication of theoretical and experimental studies and reviews related to the electronic, electrochemical, ionic, magnetic, optical, and biosensing properties of solid state materials in bulk, thin film and particulate forms. Papers dealing with synthesis, processing, characterization, structure, physical properties and computational aspects of nano-crystalline, crystalline, amorphous and glassy forms of ceramics, semiconductors, layered insertion compounds, low-dimensional compounds and systems, fast-ion conductors, polymers and dielectrics are viewed as suitable for publication. Articles focused on nano-structured aspects of these advanced solid-state materials will also be considered suitable.