Development of thermo-physical properties evaluation method of transparent electrode layer by thermal wave microscope system

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The main goal of our present research is to develop a multi-purpose type of laser induced thermal wave microscope (LITWM) which can be fully used for transparent electrode. As a first step to develop, we intend to develop measurement technique of thermal diffusivity of the high polymer transparent film such as polyethylene terephthalate (PET), polycarbonate (PC), polyethylene (PE), polypropylene (PP), and polyviniliden fluoride (PVDF). Actual thermal diffusivity may be different remarkably with a value estimated from physical parameters of film published by maker because it depends strongly on the crystallization temperature, mechanical stress, casting solvent, electric field and other conditions.