FACULTY RESEARCH ACTIVITY 2014

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31Tetsuya TanigamiAssociate ProfessorYasushi NomuraAssociate ProfessorApplied ChemistryLining up sub-micron minute particles in an orderly manner to create photonic crystalsDivision of Chemistry and MaterialsI synthesize minute particles at the sub-micron scale with identical diameters and line them up properly using electrophoretic deposition (colloid crystals). The particles have a strong electrostatic resistance and normally resist alignment. The members of my lab enjoy the challenge of researching numerous ways to overcome this issue.Associate Professor Tanigami joined the Faculty of Textile Science and Technology at Shinshu University in 1982. During his student years, he used X-rays to carry out research on the solid structure and characteristics of polymers. Currently, he is researching colloid crystals using visible light. A phenomenon common to both pursuits is Bragg reection.There is now a need for quantum computers. In order to fulll that need, it is necessary for components to allow only light of a certain wavelength to pass and to bend light at a right angle. One method for pursuing associated research is the use of colloid crystals.Outlook for researchMany graduates are employed by chemical manufacturers involved in polymers and bers.Outlook for students after graduationApplied ChemistryUsing a computer to examine the properties of substances in a “dry lab,” thereby performing chemistry without experimentationDivision of Chemistry and MaterialsI am examining numerous properties, including optical properties, without actually carrying out experiments by performing molecular computation based on quantum chemistry. This approach makes it possible to understand the true nature of those properties and to discover the roots of the properties of the substances one wishes to investigate. Currently, my lab is focusing its research primarily on carbon substances such as fullerenes.Associate Professor Nomura took his current position in 2005 after working in the Faculty of Textile Science and Technology at Shinshu University as an assistant professor. His area of focus is theoretical chemistry based on quantum chemistry. Recently, he has been researching the electronic properties of carbon materials such as fullerenes, the glow of certain organic molecules, and their quenching process.Currently, organic synthesis using molecular computation to predict reaction pathways has been addressed in the scientic literature. In this way, researchers expect that by calculating an ecient reaction in advance, it will be possible to carry out experiments without wasting test reagents or time.Outlook for researchWhile graduates pursue numerous career paths, many aim to become system engineers, teachers, or public ocials.Outlook for students after graduationAn example of a material in which the color of light changes depending on the angle (polystyrene)In this research, from the right, minute particles of inorganic silica, organic polystyrene, and hydrogel are being formed into colloid crystals.There are abundant electrons in the large red and blue areas of this molecular orbital model related to electron distribution for a certain fullerene.One subject my lab is investigating is carbon nanotubes.2°15°30°50°2°35°50°Colloid crystalCameraLight

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