Supercritical Processing as a Route to High Internal Surface Areas and Permanent Microporosity in Metal−Organic Framework Materials

作者：Andrew Nelson, Omar K. Farha, Karen L. Mulfort, Joseph T. Hupp · 发表于：Journal of the American Chemical Society · 年份：2008 · DOI：10.1021/ja808853q · 被引用次数：546 · 研究领域：Metal-Organic Frameworks: Synthesis and Applications、Catalytic Processes in Materials Science、Carbon dioxide utilization in catalysis

Careful processing of four representative metal-organic framework (MOF) materials with liquid and supercritical carbon dioxide (ScD) leads to substantial, or in some cases spectacular (up to 1200%), increases in gas-accessible surface area. Maximization of surface area is key to the optimization of MOFs for many potential applications. Preliminary evidence points to inhibition of mesopore collapse, and therefore micropore accessibility, as the basis for the extraordinarily efficacious outcome of ScD-based activation.