Energetics of Spatially Confined Solids

技术摘要许多固体在半纳米到一纳米尺度上是异质的，并且由不同的结构单元、层或含有孔或通道的框架组成。 沸石和介孔材料代表了这样的一个群体，许多其他的特征是强键合或几何连续的“主体”限制“客体”物种。该项目解决了这种限制在非常规框架中的常见能量特征，这些框架包含锗，磷和过渡金属的笼形物，如二氧化硅笼形物和Zintl型金属间半导体。这些材料可用作催化剂、离子交换剂、热电材料和光学材料。它们在重金属和放射性核素的环境迁移中具有重要作用。独特的热化学设施欢迎合作，并积极教育学生和博士后学者将热力学应用于自己的工作。 量热法将提供特殊主题课程的核心，通常有一个动手的组成部分。PI将主办一个关于高温材料化学的国际会议。研究小组在性别和种族，文化和科学背景方面是多样化的，PI是成功的高级女科学家的榜样。非技术摘要许多固体是由不同的结构单元，层或框架组成的，其中含有化学反应性的孔或通道。 它们具有强键合或几何连续的“主体”限制“客体”物种。通过先进的量热技术测量这些材料的稳定性，该技术测量与固体中的结构和化学变化相关的热效应，该项目将推进这些材料的基础知识和应用。这些材料具有催化剂、离子交换剂、热电材料和光学材料的应用，并且它们在重金属和放射性核素的环境迁移中是重要的。PI将主办一个关于高温材料化学的国际会议。该研究小组在性别和种族、文化和科学背景方面多种多样，PI是成功的高级女科学家的榜样。

Technical abstractMany solids are heterogeneous on the half to one nanometer scale and are composed of disparate building blocks, layers, or frameworks containing pores or channels. Zeolites and mesoporous materials represent one such group and many others feature a strongly bonded or geometrically continuous "host" confining "guest" species. This project addresses the common energetic features of such confinement in unconventional frameworks containing Germanium, Phosphorous, and transition metals in clathrates such as silica clathrasils and Zintl-type intermetallic semiconductors. The materials have applications as catalysts, ion exchangers, thermoelectrics, and optical materials. They are important in the environmental transport of heavy metals and radionuclides. The unique Thermochemistry Facility welcomes collaborations and is active in educating students and postdoctoral scholars in applying thermodynamics to their own work. Calorimetry will provide the core of special topics courses, often with a hands-on component. The PI will host an international conference on high temperature materials chemistry. The research group is diverse in gender and ethnic, cultural and scientific background, and the PI is a role model as a successful senior woman scientist.Non-technical abstractMany solids are composed of disparate building blocks, layers, or frameworks containing chemically reactive pores or channels. They feature a strongly bonded or geometrically continuous "host" confining "guest" species. By measuring the stability of these materials through advanced calorimetric techniques which measure the heat effects associated with structural and chemical changes in the solids, this project will advance both fundamental knowledge and applications of these materials. The materials have applications as catalysts, ion exchangers, thermoelectrics, and optical materials, and they are important in the environmental transport of heavy metals and radionuclides. The PI will host an international conference on high temperature materials chemistry. The research group is diverse in gender and ethnic, cultural and scientific background, and the PI is a role model as a successful senior woman scientist.