MaterialsChemistryMaterialsChemistryArtificial Photosynthetic System 16Variousceramic,inorganicmaterialsareusedaroundus.TheYamaguchiLaboratoryisconductingresearchonthesynthesisandapplicationofvariousinorganicmaterialsincludingmicaandalumina.Atpresent,weareundertakingresearchonthesynthesisofnovelmicacrystalsandthecompositeshavingmicroporesintheinterlayerregionofmicacrystals.Wearealsoworkingontheprocessofaluminaceramicsusinganewsol-gelmethodwithaninorganicsaltsolution.Efficientutilizationofsolarenergyhasbeenregardedasoneofthekeytechnologiestosolveworldwideenergyandenvironmentalissues.Incontrast,fluctuationsinsolarirradiationimposeacriticalbarrierforpracticalstorageandconveyance.InKageshimalaboratory,wehasbeenworkingtoconstructanovelartificialphotosyntheticsystemincollaborationwithNishikioriandphotovoltaic-assistedwatersplittingenablestocapturesolarenergyintheformofstorableandconveyablechemicalenergy,hydrogen.Micasandaluminashavebeenstudiedandusedformanyyears,butresearcherstodayarefindingmethodsofsynthesizingmaterialswithnewcompositionsandalsofindingnewphenomena.Inourlaboratory,studentsintheirsenioryearandgraduatestudentsareconductingtheexperimentsfortheirindividualresearchthemes.Manygraduatesfromourlaboratoryareworkingincompaniesrelatedtoceramicsandglassaswellasvariouschemicalmaterials.Theyarealsoactiveinvariousotherfields.Whilefuelcellshaveattractedgreatattentionas“green”energydevices,hydrogenusedinthefuelcellsisnowindustriallyproducedfromfossilfuels.Photocatalyticorphotovoltaic-assistedwatersplittingcanproducehydrogenfromonlysolarenergyandwater.Thus,itcanbeexpectedtocontributetoconstructtrulycleanandsustainablesociety.Webelievethatstudentscangainvariousknowledgeandcapability,suchasphysicalpropertiesofmaterial,surfaceanalyticalinstruments,duringresearchesofphotocatalysts.Throughtheseexperiencesofresearchesanddiscussion,weeducateourstudentssothattheyhavelogicalmindandguts.property,handlingandofSwellablemica crystals having a hexagonal plate-like morphology synthesized by using NaClas a flux.Alumina gels containing a small amount of organic additive lead to the formation of fine alpha-alumina particles at lower temperatures.↑Solarspectrum(left)andabsorbanceofvariousphotocatalysts(right).Developmentofphotocatalyticmaterialswithlongerabsorptionedgeisoneofthemostimportantissues(inset).↑(a)Synthesisofthematerialsinaglovebox,(b)assessmentofthephotocatalyticreaction,and(c)thephotoelectrochemicalmeasurements.AssociateProfessorFields of research: Ceramics, Inorganic Materials Chemistry, Clay Science, etc.Yosuke KageshimaAssociate ProfessorPh.D.: The University of TokyoHe started to work as an assistant professor in Shinshu University in 2018, and was promoted to an associate professor in 2023. His research focuses of photoelectrochemistry, material science, and catalysts.(a)(c)(b)Tomohiro YamaguchiAfter Graduationtheregional,daily,andseasonallaboratory.Photocatalytic,After GraduationIn the Futurephotoelectrochemical,In the FutureCreating Inorganic Materials: Ceramic materials chemistryfor Solar Energy Harvesting
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