Multimodal Resonant X-ray Scattering for Energy Materials

讲座名称: Multimodal Resonant X-ray Scattering for Energy Materials
讲座时间 2017-06-29
讲座地点 新材料大楼第一会议室
讲座人 王成
讲座内容
报告题目:Multimodal Resonant X-ray Scattering for Energy Materials
报告时间:2017年6月29日上午10:00
报告地点:新材料大楼第一会议室
报告摘要:
Recent development of resonant soft x-ray scattering (RSoXS) at the Advanced Light Source (ALS) has enabled its applications to many critical research areas of materials research. Combining conventional x-ray scattering with soft x-ray absorption spectroscopy, RSoXS is a unique chemical sensitive structure probe that provides a novel route to unambiguously decipher the complex morphologies of mesoscale materials. Tuning x-ray photon energies to match the absorption spectrum of the different chemical components, the scattering contributions from the different components can be selectively enhanced, enabling a glimpse into these complex morphologies with unprecedented details. Applications of RSoXS have been extended to the areas of structured polymer assemblies, organic electronics, functional nano-composites, as well as liquid crystals. The overarching challenge now across various disciplines is to investigate the interfacial phenomenon of new and complex materials in their operational conditions, including batteries, catalysts, gas separations, fuel cells and water desalination, and bio-hybrid systems. In order to achieve comprehensive understanding of the in-operando process, we need multimodal research tools that provide information from different perspectives in order to discover, understand, and control the interfacial phenomena and architectures. This will require combining different in situ probes, such as x-ray scattering and electron microscopy, simultaneously in the same operating condition. We will discuss the recent development of customized instrumentation, multimodal characterization methods, as well as comprehensive theory for the extraction of the chemical distribution and spatial arrangement at multiple length scales in the application of energy materials.
 

讲座人介绍
个人简介:王成博士自2008在美国北卡州立大学获得物理学博士学位,此后便一直在美国先进光源进行博士后研究工作。2013年成为束线11.0.1.2研究员,负责软X射线散射线站的建设与维护,对共振软X射线散射这一表征手段有深刻的认识和丰富的经验。
 

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