Advanced Materials

Non-Destructive Readout of the Photochromic Reactions of Diarylethene Derivatives Using Infrared Light

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Abstract

Non-destructive readout of an image using IR light on a polymer film containing a photochromic diarylethene was successively carried out. 1,2-Bis(2-methyl-6-phenyl-1-benzothiophen-3-yl)hexafluorocyclopentene was found to exhibit a remarkable IR spectral change around 1590 cm–1 upon photoirradiation, as demonstrated in the Figure.

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