High Loading of Pd Nanoparticles by Interior Functionalization of MOFs for Heterogeneous Catalysis
作者:Bappaditya Gole、Udishnu Sanyal、Rahul Banerjee、Partha Sarathi Mukherjee
DOI:10.1021/acs.inorgchem.5b02739
日期:2016.3.7
agglomeration upon increasing their loading amount into metal–organic frameworks (MOFs) has been addressed by functionalization of MOFs with alkyne groups. The alkynophilicity of the Pd2+ (or other noble metals) ions has been utilized successfully for significant loading of Pd NPs into alkyne functionalized MOFs. It has been shown here that the size and loading amount of Pd NPs are highly dependent
在本报告中,已通过将炔烃基团官能化,解决了纳米颗粒(NP)在金属有机骨架(MOF)中的负载量增加时的团聚问题。Pd 2+(或其他贵金属)离子的亲核性已成功用于Pd NP大量装载到炔烃官能化的MOF中。此处已表明,Pd NP的大小和负载量高度依赖于MOF的表面积和孔宽度。Pd NP的负载量单调增加,而不会改变其在特定MOF上的大小分布。重要的是,炔烃基对于Pd 2+的独特作用通过进行考虑到没有炔烃部分的MOF的对照实验也证明了稳定性。NP的制备涉及两个不同的步骤,即。MOF内部金属离子的吸附和金属离子的还原。这两个步骤均通过显微镜技术进行监控。该报告还证明了[电子邮件保护的] NPs是分别用于芳基溴化物或碘化物和烯烃的Heck偶联和加氢反应的极其有效的非均相催化剂的适用性。