Enrique Ramos-Fernández, Vijay K. Velisoju, Jorge Gascon, Pedro Castaño
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引用次数: 0
摘要
将二氧化碳加氢转化为甲醇是实现可持续燃料生产和碳回收利用的一条大有可为的途径。这一过程效率的关键因素在于金属催化剂与其支撑物之间的相互作用。金属有机框架(MOFs)因其结构可调、比表面积大、能与单原子金属或金属纳米颗粒形成稳定的界面而成为高效平台。这些金属-MOF 界面对于稳定活性位点、防止烧结和提高催化性能至关重要。在这篇概念论文中,我们以 Cu-Zn、Cu-Zr 和 Zn-Zr 界面为重点,探讨了这些界面在促进 CO2 加氢过程中的作用。金属位点与 MOF 节点之间形成的强相互作用可精确控制活性物种的分散和电子环境,从而显著提高甲醇选择性和长期稳定性。通过分析 MOF 支持催化剂的最新进展,这项工作强调了工程金属-MOF 界面的概念,以推动下一代催化剂的开发,从而实现从 CO2 到甲醇的高效合成。
Engineering Metal-MOF Interfaces for Selective CO₂ Hydrogenation to Methanol
The hydrogenation of CO₂ to methanol is a promising pathway toward sustainable fuel production and carbon recycling. A key factor in the efficiency of this process lies in the interaction between the metal catalyst and its support. Metal-Organic Frameworks (MOFs) have emerged as highly effective platforms due to their tunable structures, large surface areas, and ability to form stable interfaces with single–atom metals or metal nanoparticles. These metal-MOF interfaces are crucial for stabilizing active sites, preventing sintering, and enhancing catalytic performance. In this concept paper, we explore the role of these interfaces in promoting CO₂ hydrogenation, focusing on Cu−Zn, Cu−Zr, and Zn−Zr interfaces. The formation of strong interactions between metal sites and MOF nodes enables precise control over the dispersion and electronic environment of the active species, significantly improving methanol selectivity and long-term stability. By analyzing recent advancements in MOF-supported catalysts, this work highlights the concept of engineered metal-MOF interfaces to drive the development of next-generation catalysts for efficient methanol synthesis from CO₂.
期刊介绍:
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