金属有机骨架材料MOFs及其应用教学案例

分离效果
影响因素
抗干扰能力
金属有机骨架材料及其 应用
研究背景
金属有机骨架（MOFs）是由含氧、氮等的 多齿有机配体（大多是芳香多酸和多碱）与
过渡金属离子自组装而成的配位聚合物
早在20世纪90年 代中期，第一类 MOFs就被合成出 来，但其孔隙率和 化学稳定性都不高
目前，已经有大量 的金属有机骨架材 料被合成，这些金 属有机骨架中多数 都具有高的孔隙率 和好的化学稳定性
Chen, B. L. Eddaoudi, M. Hyde, S. T. O'Keeffe, M. Yaghi, O. M. science 291, 1021-1023 (2001)
Chen, B. L. Eddaoudi, M. Hyde, S. T. O'Keeffe, M. Yaghi, O. M. science 291, 1021-1023 (2001)
Systematic Design of Pore Size and Functionality in Isoreticular MOFs and Their Application in Methane
Storage
Eddaoudi, M. Kim, J. Rosi, N. Vodak, D. O'Keeffe, M. Yaghi, O. M. science 295, 469-472 (2002)
实验流程图
吸附性能
富集效果
105ppb
2030ppb
Metal–Organic Framework MIL-101 for HighResolution Gas-Chromatographic Separation of
Xylene Isomers and Ethylbenzene
• We show the first fabrication of the MOFcoated capillary column for high-resolution GC separation.
78K
298K
Rowsell, J. L. C. Spencer, E. C. Eckert, J. Yaghi, O. M. science 309, 1350-1354 (2005)
Metal Organic Frameworks as Adsorbents for Trapping and Preconcentration of Organic Phosphonates
He has been on the faculties of Arizona State University (1992-98) and University of Michigan (1999-2006).
His current position is the Jean Stone Professor of Chemistry at UCLA.
Hydrogen Storage in Microporous Metal-Organic Frameworks
Rosi, N. L. Eckert, J. Eddaoudi, M. O'Keeffe, M.Yaghi, O. M. science 300, 1027-1029 (2003)
MOF-5的储氢性能
分层、扩散法
合
水热法
成
方
搅拌合成法 法
多孔性
大比表面积 特 点
结构的多样性
MOFs
含氮杂环
分
含羧基
类
含氮杂环与羧基
催化剂
应Hale Waihona Puke Baidu
气体储存
用
吸附分离
MOF-5一个空腔的结构图
MOF-5的层结构图
MOF-5的吸附性能
Interwoven Metal-Organic Framework on a Periodic Minimal Surface with Extra-Large Pores
• we choose MIL-101 as the stationary phase and xylene isomers and ethy-lbenzene (EB) as the targets for separation.
Gu, Z. Y. Yan, X. P. Angewandte Chemie-International Edition 49, 1477-1480 (2010)
• In this paper, IRMOF1 is tested as an adsorbent for preconcentration for the first time using dimethyl meth-ylphosphonate (DMMP) as a test case.
Ni, Z. Jerrell, J. P. Cadwallader, K. R. Masel, R. I. Analytical Chemistry 79, 1290-1293 (2007)
Omar M. Yaghi received his Ph.D. from the University of Illinois-Urbana (1990) with Professor Walter G. Klemperer.
He was an NSF Postdoctoral Fellow at Harvard University (1990-92) with Professor Richard H. Holm.