首页
最新动态 交流合作 科研项目 论文著作 精彩瞬间 招生招聘
  • Investigation on the Mechanism of the Synthesis of Gold(I) Thiolate Complexes by NMR
  • 来源:王晓亮副教授个人网站 2014-05-07
  •     In this article, we characterized the polymeric gold(I) thiolates that precipitated from the intermediate solutions during the synthesis process of gold nanoparticles (GNPs) by the Brust?Schiffrin two-phase method and investigated the formation mechanism of the polymeric gold(I) thiolates. The solution 1H NMR confirmed the complete reduction from Au(III) to Au(I) with the addition of the first two equivalents of thiols, while only the third and fourth equivalents of thiols were found to participate in forming gold(I) thiolates. Gold(I) thiolates, [Au(I)SR]n, precipitated from these solutions were further 
    characterized by 1H solid-state NMR spectroscopy under fast magic angle spinning (MAS), Raman spectroscopy, and thermogravimetric analysis. Further quantitative studies revealed that the composition of [Au(I)SR]n could be controlled by changing the order of addition of the third and fourth equivalents of thiols. This work has great significance to better understand the mechanism of gold nanoparticle formation and thus to tailor the properties of the final products.
  • [来源:中国聚合物网]
  • 了解更多请进入: 王晓亮副教授个人网站
相关新闻
  • · Critical Effect of Segmental Dynamics in Polybutadiene/Clay Nanocomposites Characterized by Solid State 1H NMR Spectroscopy
  • · Characterization of the Mobility and Reactivity of Water Molecules on TiO2 Nanoparticles by 1H Solid-State NMR
  • · Unusual rheological behavior of liquid polybutadiene rubber/clay nanocomposite gels: The role of polymer-clay interaction, clay exfoliation, and clay orientation and disorientation
  • · Probing chain interpenetration in polymer glasses by H-1 dipolar filter solid-state NMR under fast magic angle spinning

关于我们  |  联系我们  

网站:中国聚合物网

polymer.cn Copyright ©2017