Using Immobilized Ru Hydride Complexes to Understand the Interaction of Molecular Heterogeneous Catalysts with the Pore Walls under Catalytic Conditions (C07*)

使用固定化钌氢化物络合物了解催化条件下分子多相催化剂与孔壁的相互作用 (C07*)

• 批准号: 447412207
• 金额: --
• 依托单位: Institut für Technische Chemie (ITC)
• 依托单位国家: 德国
• 项目类别: Collaborative Research Centres
• 财政年份: 2020
• 资助国家: 德国
• 起止时间: 2019-12-31 至 2021-12-31
• 项目状态: 已结题
• 来源: https://gepris.dfg.de/gepris/projekt/447412207?language=en
• 关键词: Using; Immobilized; Ru; Hydride; Complexes

Molecular heterogeneous catalysts (B1-3) often suffer from low activity and deactivation due to surface collapse (interaction with the pore wall). Here, we present a method for detecting surface collapse under catalytic conditions. We will immobilize ruthenium complexes inside of Lewis acidic mesoporous materials (A4-6). Since Lewis acids change the selectivity of ruthenium hydride catalysts in CO2 hydrogenation, the product distribution is a direct probe of the amount of surface collapse (when the complex is close to the Lewis acids). This will be corroborated through the use of advanced spectroscopies (C1 and S1).

分子异质催化剂（B1-3）通常由于表面塌陷而受到低活性和失活（与孔隙壁相互作用）而遭受的。在这里，我们提出了一种检测催化条件下表面塌陷的方法。我们将固定在刘易斯酸性介孔材料内（A4-6）内部的钌配合物。由于刘易斯酸会改变二氧化碳氢化中氢化氢氢化氢酶的选择性，因此产物分布是表面塌陷量的直接探针（当络合物接近刘易斯酸时）。这将通过使用高级光谱镜（C1和S1）来证实。