METHOD FOR MEASURING ORIENTATION OF SILVER NANOWIRE, POLYVINYL ALCOHOL FILM, METHOD FOR PROCESSING POLYVINYL ALCOHOL FILM, AND METHOD FOR PRODUCING POLYVINYL ALCOHOL FILM
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United States of America Patent
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Feb 22, 2024
app pub date -
Dec 15, 2021
filing date -
Dec 16, 2020
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Abstract
The present method for evaluating an orientation of silver nanowires is a method for measuring an orientation of silver nanowires included in a polyvinyl alcohol film, the method including measuring, using linearly polarized near-infrared light, a first transmittance T1 for polarized light perpendicular to an orientation direction of silver nanowires and a second transmittance T0 for polarized light parallel to the orientation direction of the silver nanowires in a polyvinyl alcohol film including the silver nanowires, and determining an orientation to be high in a case where a ratio (T1/T0) of the first transmittance T1 to the second transmittance T0 is greater than 1, and determining the orientation to be low in a case where the ratio is close to 1.
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