ZYXHYXZX2YZSODSODSubstitutioneBiLgMaNKCaScTiVCrMnFeCoNiCuZnGaGeAsSeBrKrRbSrYZrNbMoTcRuRhPdAgCdInSnSbTeIXeCsBaLaHfTaWReOsIrPtAuHgTlPbBiPoAtRnEnsemblecGeometricteffeeffectLigandcElectroniceffeteffectEnergyEnergyeHeNFONCBrAlCSPiSlAAfter receiving his doctoral degree in engineering at Tohoku University, he worked as a researcher and an assistant professor at the same university, and Shinshu University in November 2020. His research field is materials science including magnets and catalysts.Associate ProfessorKAMEYAMA TatsuyaAfter working at JX Nippon Mining & Metals Co., in 2011, he became an Assistant Professor at Nagoya University in 2012, and an Associate Professor at the same institution in 2021. He assumed his current position in April 2025.Associate ProfessorKOJIMATakayukiThesequantumdotsarecapableofmuchmorethanjusteminglight.Theycanconvertlightenergyintoelectricity(insolarcells)orchemicalenergy(inphotocatalysts),andtheycanalsobeusedforlightdetection(inphotodetectors).toTheseextremelysmallparticleshavethepotentialrevolutioniseenergyconversionandsensingtechnologies.Thesenanotechnologicalmarvelsaimtoshednewlightonourdailylives,industriesandtheglobalenvironment.Ourlabisnewlyestablishedandhasnograduatesyet.However,nanomaterialschemistryiswidelyappliedineverydaylife,andweaimtodeveloptalentwhowilldrivesuchaselectronics,batteries,innovationinfieldssemiconductors,automotive,andbiomedicalindustries.Transmission electron microscopy (TEM) images of quantum dots. Controlling crystal growth also changes their shape.Photoluminescence of a quantum dot colloidal solution. When exposed to ultraviolet light, it emits a bright visible light.Schematic illustration of catalysis (left) and Heusler alloy catalyst (right)(Sci. Adv. 4eaat6063, 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.Novelcatalysisbynovelalloyshavescarcelybeenrevealedduetothelackofmetallurgicalknowledge.Inparticular,ternary(ormore)systemsarecomplex;however,discoveryofoutstandingcatalystsistobeexpectedfromnumerouselementalsets.Innovativecatalystsenablesynthesizingnovelchemicalmaterials,reducingenergycostsforvariousprocesses,andsuppressingenvironmentalpollutions.Infuture,itwouldbemoredifficulttogetahappylifebydoingonlyonething.Thinkoutsidethebox.Haveawideperspective.Forlivinginthepost-pandemicworld,beflexibleandbeactive.I’mhappyifIcanhelpstudentstoobtainsuchabilities.semiconductorandmetallicWeareresearchingthesynthesisofnanoparticles,preciselycontrollingtheirshape,andchemicalsize,composition.Semiconductorparticles,growntojustafewnanometers,arecalled"quantumdots"andemitbrightlightbyexcitationofelectrons.Thesematerialshaverecentlybeenappliedindisplaytechnologies,andweaimtosynthesizethemusingenvironmentallyfriendlyelements.Thelightintensityandcolorofquantumdotsdependontheirsizeandshape,soprecisecontroliscrucial.Evena1-nanometerdifferencecansignificantlychangetheirproperties,requiringmeticulousattentiontodetail.Outlook for researchOutlook for students after graduationOutlook for researchOutlook for students after graduationSolid-statecatalystsincludingmetalsprovidereactionfieldsontheirsurfaces.Chemicalreactionsproceedviaa“deal”ofelectrons.Thus,acatalyticperformancedependsonbothsurfacestatesandelectronicstatesofcatalysts.Catalysisischangedbymixingdifferentmetalsviachangesinsurfaceandelectronicstates.Inparticular,novelcatalysisappearsin“intermetalliccompounds”,novelalloyshavingatomicorderedarrangementsofdifferentmetalsmixedbyanintegerratio.Weareconductingpreciseinvestigationsforvariousalloycatalyststorevealgeneralrulesthatcanbeusedfordesigninganycatalysts.moleculescatalystadsorptionsurfacereactiondesorption32�F100 nmDepartment ofChemistry and MaterialsDepartment ofChemistry and MaterialsNovel Catalysis by Novel Alloys���W3cm×H2.65cm�����0.5cm��7.42cmjoined then Nano-creation: Synthesis of ultra-small inorganic nanocrystals
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