2019年4月11日Kyoto University Susumu Kitagawa 教授学术报告
New Dimensions of Porous Coordination Polymers/Metal Organic Frameworks
We have found unique porous properties of porous coordination polymers (PCPs) or metal-organic frameworks (MOFs), which respond to specific guests, dissimilar to the conventional porous materials.1 The third generation MOFs2 possess flexible or dynamic porous frameworks, which reversibly respond to external stimuli, not only chemical but also physical, unlike the previous generations. They were developed in an effort to realize dynamic porous and collective functionality not found in conventional materials. Their compositions of metal ions and organic molecules have achieved diversity in the electronic states. That is, the spatial and electronic structures can be altered, realizing magnetic and dielectric properties as well as oxidation−reduction functions. Besides normal storage, dynamic MOFs have vast potential for separation with an extremely high selectivity, high-efficiency storage, and catalysis, as well as sensing and actuator functions. For these reasons, many studies investigate these materials. Here, I discuss porous materials with capabilities that exceed current ones (i.e., the fourth generation MOFs) and the future research direction.3-5 It would be fabulous if novel porous materials possessed more features than just the third generation’s excellent characteristics (flexibility, collectivity, and diversity). These additional features include 1) Hierarchy and Hybrid (double-H), which means to combine different functions and pursue the dynamic development of combined functions, (2) Anisotropy and Asymmetry (double-A), which means to learn from living organisms and then go beyond such organisms’ capabilities, and (3) Disorder and Defect (double-D), which may lead to excellent catalytic reactivities and electronic functions. Hereinafter these three characteristics are referred to collectively as “ HAD” characteristics.
1. S.Horike, et al., Nature Chem. 2009,1,695.
2. S.Kitagawa, et al.,Angew. Chem. Int. Ed. 2004, 43, 2334.
3. S.Kitagawa, Angew.Chem., 2015, 54,10687. Editorial
4. S.Kitagawa, Acc.Chem.Res., 2017,50,514. Commentary for Holy Grails
5. S.Horike and S.Kitagawa, Nature Mater., 2017,16,1054.
Institute for Integrated Cell-Material Sciences, Kyoto University,
Ushinomiya-cho, Sakyo-ku, Kyoto, 606-8501 firstname.lastname@example.org
March 1974: B. S. Kyoto University, Japan
March 1979: Ph. D. Kyoto University, Japan
1979-1983 Assistant Professor, Department of Chemistry, Kindai University
1983-1988 Lecturer, Department of Chemistry, Kindai University
1986-1987 Visiting Scientist, F. A. Cotton Laboratory in Texas A & M University
1988-1992 Associate Professor, Department of Chemistry, Kindai University
1992-1998 Professor, Department of Chemistry, Tokyo Metropolitan University
1998-2017 Professor, Department of Synthetic Chemistry & Biological Chemistry, Kyoto University
2007-2012 Deputy Director, Institute for Integrated Cell-Material Sciences, Kyoto University
2013-Present Director, Institute for Integrated Cell-Material Sciences, Kyoto University
2017-Present Distinguished Professor, Institute Advanced Study (KUIAS)
Selected recent publications:
1. “Self-Accelerating CO Sorption in a Soft Nanoporous Crystal”, H.Sato, et al.,Science, 2014, 343, 167-170.
2. “Porous Materials and Age of Gas” S.Kitagawa, Angew.Chem.Int.Ed. 2015,54,10686. Editorial
3. “Future Porous Materials” S.Kitagawa, Acc. Chem.Res. 2017,50,514. Commentaries – Holy Grails
4. “Enhanced selectivity in mixed matrix membranes for CO2 capture through efficient dispersion of amine-functionalized MOF nanoparticles”, B.Ghalei, et al.,Nature Energy, 2017, 2, 17086-17094.
5. “Highly responsive nature of porous coordination polymer surfaces imaged by in situ atomic force microscopy”, N.Hosono, et al.,Nature Chemistry, 2018,11, 109-116.
6. “Gas-responsive porous magnet distinguishes the electron spin of molecular oxygen”,W. Kosaka, et al.,Nature Communications, 2018, 9, 1-9.
7. “Design and control of gas diffusion process in a nanoporous soft crystal”, C.Gu, et al., Science, 2019, 363, 387-391.