Biographical Sketch

  Masahiro Irie received his B.S.(1966) and M.S.(1968) degrees from Kyoto University and his Ph.D.(1973) degree in radiation chemistry from Osaka University. In 1968, he joined the Faculty of Engineering, Hokkaido University, as a research associate and started his research on photochemistry. In 1973, he moved to Osaka University and was promoted to associate professor at the Institute of Scientific and Industrial Research in 1978. In 1988, he was appointed professor at the Institute of Advanced Material Study, Kyushu Univesity; in 1996, he was reappointed professor of chemistry at the Faculty of Engineering. In 2007, he moved to Tokyo and was appointed professor at Rikkyo University. He has been conducting research on molecular photoswitches (photochromic molecular systems) for the last 40 years. In the middle of the 1980s he discovered a new class of photochromic molecules, DIARYLETHENES , which undergo thermally irreversible and fatigue resistant photochromic reactions.  At present, these derivatives are widely used in functional molecular systems as key elements of photoswitches. He has received the following awards: Award of the Society of Polymer Science, Japan (1988), Award of the Japanese Photochemical Association (1993), Vinci d'Excellence (LVMH, France, 1995), Docteur Honoris Causa of University of Bordeaux I (2003), The Chemical Society of Japan Award (2004), Mukai Award(2007), The Purple Ribbon Medal (2007), Theodor-Förester-Preis (GDCh and Deutsche Bunsen-Gesellschaft für Phys. Chem., Germany, 2008) and The Porter Medal (European Photochemistry Association, The Inter-American Photochemistry Society and The Asian and Oceanian Photochemistry Association, 2014).

Research Interests

Synthesis of Photochromic Diarylethenes
Single-Crystalline Photochromism of Diarylethenes
Photomechanical Effect of Photochromic Single Crystals
Photoswitchable Fluorescent Diarylethenes
Invited Lectures at International Meetings

Prof. Masahiro IRIE
Research Center for Smart Molecules
Department of Chemistry
Rikkyo University

Nishi-Ikebukuro 3-34-1, Toshima-ku, Tokyo
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