GeometriceffectElectroniceffectFig. 1. Functional soft materials and biomimetic systems.Fig. 2. 0D, 1D, or 2D inorganic nano-building blocks.39Assistant ProfessorKOJIMA TakayukiAssistant ProfessorSANO KokiOutlook for researchNovel catalysis by novel alloys have scarcely beenrevealed due to the lack of metallurgical knowledge. Inparticular, ternary (or more) systems are complex;however, discovery of outstanding catalysts is to beexpected from numerous elemental sets. Innovativecatalysts enable synthesizing novel chemical materials,reducing energy costs for various processes, andsuppressing environmental pollutions.Outlook for students after graduationOutlook for researchresearch activities, a single idea canIn ourinfluence researchers around the world andchange the world in decades to come. We aim todevelop "next-generation functional materials thatcontribute to the development of future society"and "environmentally friendly materials for therealization of a sustainable society”.Outlook for students after graduationDepartment ofChemistry and MaterialsDepartment ofChemistry and Materialsreceiving his doctoralAfterdegreeatTohoku University, he workedanasassistant professor at the sameuniversity, and then started hisin Novembercurrent careerresearch field is2020. Hismaterialsincludingsciencemagnets and catalysts.inengineeringandresearcherJSTDr. Koki Sano received hisdoctorate from the Universityof Tokyo in 2019. He took hiscurrent position in 2021 afterworking as a JSPS ResearchFellow (DC1), RIKEN SpecialResearcherPostdoctoral(SPDR)PRESTOandResearcher.Schematic illustration of catalysis (left) and Heusler alloy catalyst (right)(Sci. Adv. 4 eaat6063, 2018 licensed under CC BY-NC: http://creativecommons.org/licenses/by-nc/4.0)For melting metals (left), for preparing single crystal thin films (upper right), and for manipulating catalysts under non-oxidizing atmosphere (lower right). All processes are carefully conducted for precise fundamental studies.In future, it would be more difficult to get a happy lifeby doing only one thing. Think outside the box. Have awide perspective. For living in the post-pandemicworld, be flexible and be active. I’m happy if I can helpstudents to obtain such abilities.Through research activities, students can acquireabilities, such as "logicalthinking," "problemfinding and solving," "information gathering andtransmission," and "global perspective". We hopethat by using these skills, students will be able toplay an active role in global society.Solid-state catalysts including metals provide reaction fields ontheir surfaces. Chemicalreactions proceed via a “deal” ofelectrons. Thus, a catalytic performance depends on both surfacestates and electronic states of catalysts. Catalysis is changed bymixing different metals via changes in surface and electronicstates.In particular, novel catalysis appears in “intermetalliccompounds”, novel alloys having atomic ordered arrangements ofdifferent metals mixed by an integer ratio. We are conductingprecise investigations for various alloy catalysts to reveal generalrules that can be used for designing any catalysts.We design and develop functional soft materials and biomimeticsystems (Fig. 1) by utilizing the strategies in the fields of colloidal,supramolecular, and polymer chemistry and technologies overthe nano-, meso-, and macro-scales. We are interested in thesophisticated hierarchical structures and complex dynamics ofliving organisms. Our goalis to artificially realize innovativefunctions that surpass even biological functions by assemblingnano-building blocks (Fig. 2) into elaborate ordered structures.By diving into the interdisciplinary fields, we hope to contributeto solving important issues in the fields of environment, energy,and materials science.aNovel Catalysis by Novel AlloysMaterials science for the future society
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