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學術講座:Nanostructure of Ionic Liquids and their Mixtures in the Bulk and at Interfaces, and (Truly) Spontaneous Graphene Exfoliation into Ionic Liquids
作者: 點擊數:時間:2018-12-05 08:11:40


  1. 講座題目:Nanostructure of Ionic Liquids and their Mixtures in the Bulk and at Interfaces, and (Truly) Spontaneous Graphene Exfoliation into Ionic Liquids

  2. 講座地點:文203

  3. 講座時間:2018年12月5日下午2點30分至4點

  4. 參加對象:全校師生

  5. 主辦單位:化學與材料學院

專家基本情況

Rob Atkin is a Professor of Chemistry at the University of Western Australia. Rob obtained his PhD from the University of Newcastle (Australia) in 2003 under the supervision of Prof Simon Biggs, then joined the group of Prof. Brian Vincent at Bristol University as a postdoctoral fellow, working on polymer microencapsulation. In 2005 he was awarded an Australian Research Council (ARC) Postdoctoral Fellowship to study surfactant self-assembly in ionic liquids at the University of Sydney in collaboration with Prof Greg Warr. He returned to Newcastle in 2007 as a University of Newcastle Research Fellow, was awarded an ARC Future Fellowship in 2012, and promoted to Professor in 2015. In March 2017 Rob moved to his current position at the University of Western Australia. Rob has published 6 book chapters and 140 journal articles which have attracted more than 8000 citations leading to a H-index of 47. He collaborates with groups in Australia and in the UK, Sweden, Germany, China, the USA, Japan and France.

報告主要內容:

Ionic Liquids (ILs) are molten salts having melting points below 100 oC and some unusual and remarkable properties, including pronounced nanostructures, which is one of their unique, yet unifying, characteristics.

ILs have a sponge-like (bicontinuous) nanostructure: IL cation alkyl chains and ionic groups are segregated into domains that percolate throughout the bulk liquid. ILs nanostructure changes at a solid surface with the ion structure, and the effect of dissolved solutes.The effect of applying a potential to a conducting solid surface on the IL interfacial nanostructure will also be discussed, and recent results for the spontaneous exfoliation of graphene into an ionic liquid will be described, shown schematically below.

 

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