Correlation of Molecular Architecture and Fluid Dynamic Properties within Solid-Fluid Interfaces

固-液界面内分子结构与流体动力学性质的相关性

• 批准号: 0848624
• 负责人: Jeanne Pemberton
• 金额: $ 60.5万
• 依托单位: University of Arizona
• 依托单位国家: 美国
• 项目类别: Continuing Grant
• 财政年份: 2009
• 资助国家: 美国
• 起止时间: 2009-02-01 至 2013-01-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=0848624&HistoricalAwards=false
• 关键词: Correlation; Molecular; Architecture; Fluid; Dynamic

The Analytical and Surface Chemistry Program supports the research program of Prof. Jeanne Pemberton at the University of Arizona. Prof. Pemberton and her students aim to determine the interfacial molecular structure in solid-fluid interfaces formed with simple and complex fluids and elucidate the dependence of interfacial fluid dynamic properties on that molecular structure. Control of solid-fluid interfaces necessitates development of an understanding of molecular structure-function relationships that govern the static and dynamic properties of these interfaces. Although the theoretical framework for interfacial fluid dynamics is in hand and recent computational and theoretical efforts have predicted interfacial fluid dynamic behavior in considerable detail, experimental investigations in which interfacial molecular structure is defined and correlated with interfacial dynamic properties are sparse. In this work, the role of surface chemistry and morphology, and interfacial molecular organization and structure in templating, unique interfacial fluid structure will be studied using optical spectroscopies and correlated with interfacial dynamics. These studies will also be extended to complex fluids, including polymers. Effects of altered dynamic properties within the interface in both the lateral and vertical directions will also be studied as will effects related to the entanglement of molecules within the interface.This highly interdisciplinary effort serves as a fertile training ground for students who will see the direct relevance of their chemical research in areas as diverse as fluid physics, mechanical engineering, bioanalysis and biotechnology, and environmental science. Results of this work will be broadly disseminated, both orally and in writing, in venues frequented by these diverse communities. Since this work lays the foundation for a deeper molecular understanding of fluid properties, postdoctoral researchers and graduate students on this project will spend at least one semester working with local high school chemistry teachers to develop introductory modules on the molecular structure and dynamic properties of fluids appropriate for the regular high school chemistry and high school Advanced Placement chemistry levels.

分析和表面化学计划支持亚利桑那大学Jeanne Pemberton教授的研究计划。Pemberton教授和她的学生旨在确定简单和复杂流体形成的固-液界面中的界面分子结构，并阐明界面流体动力学性质对该分子结构的依赖性。控制固体-流体界面需要了解分子结构-功能关系，这些关系决定了这些界面的静态和动态特性。虽然界面流体动力学的理论框架在手，最近的计算和理论的努力预测界面流体动力学行为相当详细，实验研究中，界面分子结构的定义和相关的界面动力学性能是稀疏的。在这项工作中，表面化学和形态的作用，和界面分子组织和结构的模板，独特的界面流体结构将使用光学光谱和界面动力学进行研究。这些研究还将扩展到复杂流体，包括聚合物。在横向和垂直方向的界面内的动态性质的变化的影响也将被研究，将与界面内的分子纠缠的影响。这高度跨学科的努力作为一个肥沃的训练场，学生谁将看到他们的化学研究在流体物理，机械工程，生物分析和生物技术，以及环境科学等领域的直接相关性。这项工作的结果将在这些不同社区经常光顾的场所以口头和书面形式广泛传播。由于这项工作奠定了更深入地了解流体性质的分子基础，该项目的博士后研究人员和研究生将花费至少一个学期的时间与当地高中化学教师合作，开发适合常规高中化学和高中预修化学水平的流体分子结构和动态性质的入门模块。