基于纯化羧甲基纤维素钠和硒纳米颗粒的纳米复合薄膜的理化特性

IF 1.7 4区 化学 Bulletin of the Korean Chemical Society Pub Date : 2024-02-06 DOI:10.1002/bkcs.12813
K. Yunusov, F. Turakulov, A. Sarymsakov, Sherzod Abdullaevich Yuldoshov, S. Rashidova, Guohua Jiang
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摘要

本研究利用抗坏血酸还原亚硒酸钠,在取代度为 0.97、聚合度为 810 的羧甲基纤维素钠(Na-CMC)水溶液中合成并稳定了硒纳米粒子(SeNPs)。红外-傅里叶光谱显示,Na-CMC 和 SeNPs 中官能团之间的配位键导致了聚合物-金属复合物的形成。紫外可见光谱、扫描电子显微镜(SEM)、原子力显微镜(AFM)和动态光散射(DLS)方法被用来确定纳米复合薄膜结构中 SeNP 的大小。对 SeNPs 在多个周期内的稳定和不稳定情况的研究表明,Na-CMC 聚合物基质对纳米粒子的稳定作用达到了 672 小时,这一点从在 Na-CMC 溶液中合成的 SeNPs 的尺寸分布和抗变化能力不变得到了证实。
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Physicochemical characteristics of a nanocomposite film based on purified sodium carboxymethylcellulose and selenium nanoparticles
In this study, selenium nanoparticles (SeNPs) were synthesized and stabilized by reducing sodium selenite using ascorbic acid in an aqueous solution of sodium carboxymethylcellulose (Na‐CMC) with a degree of substitution of 0.97 and a degree of polymerization of 810. IR‐Fourier spectroscopy revealed that coordination bonds between functional groups in Na‐CMC and SeNPs resulted in the development of polymer‐metal complexes. UV–Vis spectroscopy, scanning electron microscopy (SEM), atomic force microscopy (AFM), and dynamic light scattering (DLS) methods were used to determine the SeNP sizes in the structure of the nanocomposite film. Investigation of the stabilization and nonstabilization of SeNPs over several cycles has shown that the effect of the polymer matrix of Na‐CMC on the stabilization of nanoparticles was achieved for 672 h, which was confirmed by the unchanged size distribution and resistance to change of the SeNPs synthesized in Na‐CMC solutions.
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来源期刊
Bulletin of the Korean Chemical Society
Bulletin of the Korean Chemical Society Chemistry-General Chemistry
自引率
23.50%
发文量
182
期刊介绍: The Bulletin of the Korean Chemical Society is an official research journal of the Korean Chemical Society. It was founded in 1980 and reaches out to the chemical community worldwide. It is strictly peer-reviewed and welcomes Accounts, Communications, Articles, and Notes written in English. The scope of the journal covers all major areas of chemistry: analytical chemistry, electrochemistry, industrial chemistry, inorganic chemistry, life-science chemistry, macromolecular chemistry, organic synthesis, non-synthetic organic chemistry, physical chemistry, and materials chemistry.
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