工学部_研究紹介_2020_英語版

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1.0 μmCreation and Understanding of New Molecules and their Reactivity though Catalysis DevelopmentYasunoriTodaOurgroup’sinterestisthedesignanddevelopmentofneworganicmolecules.Thereareanumberoforganiccompoundsinyourlife-smallmoleculesinmedicinalandagriculturalchemistrytolargemoleculesinmaterialscience.Organicsynthesisisanessentialtoolforbothacademiaandindustry,andinordertofacilitatefurtherdevelopmentoforganicchemistryweshouldcontinuetryingtocreateandunderstandnewmoleculesandtheirreactivity.Ourgroupfocusesoncatalysisdevelopmentbecausethebehaviorofnewmoleculescanbeevaluatedbytheresultsofcatalyticreactions.Duetotheexpansionofscienceandtechnology,furtherprogressinorganicsynthesishasbeenrequired.Ingeneral,achemicalreactionprovidesnotonlyadesiredproductbutalsoundesiredproducts.Webelievethatcatalysisgovernsorganicreactions,leadingtoselectiveproductformation.Ourcontinuouseffortsonthedevelopmentofefficienttransformationswouldcontributetoindustryaswellasacademicresearchinthenearfuture.Assistant ProfessorPh.D.: Tohoku UniversityPostdoctoral Fellow:Vanderbilt UniversityHe began his career at ShinshuUniversity in 2015. His research focuses on catalysis development. Organicchemistscanworkinseveralfields,thusmanyformergroupmembersarenowinpharmaceutical,agrochemical,andchemicalcompanies.Ourstudentscanlearntosolveproblemsthroughexperienceinthelabwhichshouldbevaluabletonumerousjobseventhoughtheyarenotrelatedtochemistry.In the FutureAfter GraduationTrial and error leads to optimized reaction conditions. These reactions are run in an oil bath to maintain the temperature. Selectivity of catalytic reactions is measured by the use of High Performance Liquid Chromatography (HPLC). Flux Growth of Inorganic Crystalsfor Genuine Clean EnergySayakaSuzukiTheSuzukigroup,incollaborationwithTeshima,Zettsu,andHayashigroups,hasresearchedonthefabricationofphotocatalystcrystalsusingfluxmethod.Now,wecanseevariousfuelcellcarsonpublicroads,andhydrogenhasbeenattractedmuchattentionasnextgenerationenergy.Hydrogencanberegardedasgenuinecleanenergy,ifitisproducedfromwaterusingsunlightandphotocatalysts,andnotfossilfuels.Wearechallengingtofabricationofoxideand(oxy)nitridecrystalswithcontrolledsize,shape,andorientation.ThestudyofwatersplittingusingphotocatalystsbegansincethediscoveryofHonda-Fujishimaeffectin1967.Fiftyyearshaveelapsedsincethen,hydrogenproductionusingwatersplittinghasnotbeenputtopracticaluse.Ourgroupbelievesthathighqualitycrystalscanachievehighwatersplittingperformance,andwearechallengingsolarhydrogenproductionusingfluxgrowthtechnique.Assistant ProfessorShe completed doctoral degree in Shinshu Univ., and started to work as an assistant professor in Shinshu Univ. in 2016. Ingraduationresearch,itisimportanttothinkaboutproblemsandtheirsolutions,plan,makeexperimentsandevaluations,andmakethenextplan.Ourstudentscanlearntosolveproblemsthroughgraduationresearch,whichshouldallowtoplayanactiveroleinawiderangeoffields.In the FutureAfter GraduationNitridationfurnaces(left)andTa3N5crystalandcrystallayer(right).NaTaO3crystalsgrownbyfluxmethod:(Wecanmakecrystalsofvarioussizesandshapes.)MaterialsChemistryMaterialsChemistry18