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首页> 外文期刊>Journal of Applied Polymer Science >Colloidal synthesis of Au nanoparticles using polyelectrolytes with 1,3,4-thiadiazole as reducing agents
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Colloidal synthesis of Au nanoparticles using polyelectrolytes with 1,3,4-thiadiazole as reducing agents

机译：使用1,3,4-噻二唑氧化物的胶体合成Au纳米粒子用1,3,4-噻二唑粒子作为还原剂

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摘要

Heterocyclic compounds are well known for their biological activity and coordination properties. Some heterocyclic compounds have been employed in the stabilization against coalescence of metallic nanoparticles in colloidal solutions, for example, tetrazole, triazole, and pyrazole. The aim of this work is to design new polyelectrolytes with heterocyclic pendant groups useful as reducing agents of Au3+ and as stabilizing agents for the synthesis of colloidal Au nanoparticles. Thus, polyelectrolytes with thiosemicarbazone and 1,3,4-thiadiazole pendant groups were used as reducing agents of Au3+ ions and stabilizing agents of Au nanoparticles. The voltammetry study of the polyelectrolytes showed that one with thiosemicarbazone pendant groups is the better reducing agent than polyelectrolytes with heterocyclic pendant groups. The polyelectrolytes can control the growth of the nanoparticles, obtaining structures with an average size of 9nm. In this study, it was concluded that the nature of the heterocyclic group does not have an effect on the shape of nanoparticles and quasi-spherical nanoparticles were obtained with all polyelectrolytes. (c) 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 47790.
机译：杂环化合物众所周知，其生物活性和配位性质是众所周知的。已经采用一些杂环化合物在胶体溶液中金属纳米颗粒的聚结稳定，例如四唑，三唑和吡唑。本作作品的目的是设计具有可用作Au3 +的还原剂的杂环侧基的新聚电解质，以及用于合成胶体AU纳米颗粒的稳定剂。因此，用硫代吡唑酮和1,3,4-噻二唑侧侧基的聚电解为Au3 +离子的还原剂和Au纳米颗粒的稳定剂。聚电解质的伏安法研究表明，具有硫代虫棘爪侧基的一种比具有杂环侧基的聚电解质更好的还原剂。聚电解质可以控制纳米颗粒的生长，从而获得平均尺寸为9nm的结构。在该研究中，得出结论，杂环基的性质对纳米颗粒的形状没有作用，并用所有聚电解质获得准型球形纳米颗粒。 （c）2019 Wiley期刊，Inc.J.Phill。聚合物。 SCI。 2019,136,4790。

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