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4th Kyoto University-Inamori Foundation Joint Kyoto Prize Symposium
http://kuip.hq.kyoto-u.ac.jp/
https://ocw.kyoto-u.ac.jp/en/opencourse-en/181
July 2, 2017
[Materials Science and Engineering]
Susumu Kitagawa
Distinguished Professor, Deputy Director-General,
Kyoto University Institute for Advanced Study
Director, Institute for Integrated Cell-Material Sciences, Kyoto University
Title of Presentation
“Gas Science and Technology for Sustainable Future”
Looking back on the advent of synthetic materials, the development of new materials faced a steep path. Until 1997, it was believed that crystalline compounds with a regular porous structure based on organic molecules were unlike inorganic zeolites and collapsed without guest filling. We challenged this notion, and successfully synthesized robust crystalline porous materials from organic molecules, called coordination polymer (PCP) (or metal-organic framework (MOF)). PCPs have attracted the attention of chemists, physicists, and biologists due to not only scientific but also application interest in the creation of unprecedented regular nano-sized spaces and in the finding of novel phenomena. One target of the synthesis of PCPs is for gas science & technology, focusing on low molecular weight molecules, such as CO, CO2, O2, CH4, C2H2, NO, and alkanes because they are associated with the global issues of energy, natural resources, the environment, and living systems. High efficiency separation technology, different from conventional ways, is essential for low energy separation of gas resources, flue gases, air, pollutant gases and other industrial materials. Stimulus-responsive PCPs are also useful for gas biology, providing spatiotemporal bioactive gas (NO and CO) releasing PCPs for control of cell functions. The social contribution of the materials to science and technology is to separate, store and convert gases freely. Our efforts with the materials have not only enhanced the industrial value of PCPs, but opened pathways to store and separate key gas substances that will provide solutions for key issues in energy, environment, natural chemical resources, and health-care.
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