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Department of Chemistry and Biochemistry
California State University, Northridge
Northridge, California, 91330-8262
Two major research areas of Ogawa group are 1) design and development of highly ordered 2-dimensional conjugated polymer matrixes for photovoltaic and electroluminescent devices and 2) development of fluorescent chemo-sensing materials for biologically active small molecules and ions.
Two Dimensional Conjugated Polymer Matrixes:
Dr. Ogawa is interested in controlling morphologies of 2-dimensional conjugated polymer sheets by taking advantage of two orthogonal polymerization methods: transition metal catalyzed chemical polymerization and electrochemical oxidative polymerization. A solution processable 1-dimensional polymer can be obtained by chemical polymerization. Then it can be spin coated onto an electrode followed by oxidative polymerization to achieve the final product. One goal is to control the morphology via self assembly of the 1-D polymer. Another goal is to control the photophysical/electrochemical properties of the 2-D polymers.
Another major interest for Dr. Ogawa is design and development of fluorometric or colorimetric sensors for biologically important species, such as metal ions and endocrine disrupting chemicals. Sensors consist of two major parts: receptor and reporter. Receptors bind to analytes, which causes conformational changes or alteration of electronic environment of lumophore/chromophore (reporter). Such changes result in variation of optical signals. The research involves optimization of both receptor and reporter moieties.
Multidisciplinary nature of the research in Ogawa group requires a wide variety of techniques. Students are involved in organic/organometallic syntheses, photophysical measurements, and electrochemical analyses/syntheses.
For more detailed descriptions of the projects and instrumentations, please see Ogawa Research Group Web Page