Controlling Surface Carbene Chemistry by Altering Metal Electronic Properties

摘要提案标题：通过改变金属电子性质来控制表面卡宾化学提案编号：CTS-0086638主要研究员：Julie d 'Itri机构：University of Bennburg本项目的目标是研究支撑的金属颗粒催化，并了解金属电子性质对控制卡宾偶联和氢化反应的影响。 一个重要的元素是金属催化前体材料和清洁卡宾源的合成。 为了检验已经预测的电子性质的假设，将进行一些动力学和光谱测量。 氢解离，卡宾偶合，和卡宾氢化的化学反应动力学将被测量。 重氮甲烷和二氟二氮丙啶将被合成并用于提供卡宾的清洁来源，以便可以直接探测基本步骤。 所概述的实验将使我们对卡宾在各种过渡金属和合金催化剂上的联合收割机或吸附方式有更深入的基本了解。 这项工作可能会导致发展和理解的催化系统，是有效的氯去除和生产有用的化学品。

AbstractProposal Title: Controlling Surface Carbene Chemistry by Altering Metal Electronic PropertiesProposal Number: CTS-0086638Principal Investigator: Julie d'ItriInstitution: University of PittsburghThe goal of this project is to study supported metal particle catalysis and to understand the influence of metal electronic properties for control of carbene coupling and hydrogenation reactions. An important element is the synthesis of both metallic catalytic precursor materials and the clean carbene sources. To test hypotheses that have been predicted with respect to electronic properties, a number of kinetics and spectroscopic measurements will be carried out. The chemical reaction kinetics of hydrogen dissociation, carbene coupling, and carbene hydrogenation will be measured. Diazomethane and difluorodiazirine will be synthesized and used to provide a clean source of carbenes so that the elementary steps can be probed directly. The experiments outlined should lead to a greater fundamental understanding of the way in which carbenes combine or hydrogenate on various transition-metal and alloy catalysts. This work may lead to the development and understanding of catalytic systems that are effective for chlorine removal and for the production of useful chemicals.