Poly(methyl methacrylate) (PMMA) films containing photochromic spiropyran (SP) derivatives with an alkyl chain produced surface relief structures upon photoirradiation. The material moved from the dark to the irradiated part by the light longer than 350 nm from a high‐pressure mercury lamp. This is the first example that the surface relief structures are formed on a polymer film containing a photochromic compound that is not an azobenzene‐related compound.
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Ubukata et al. (2007) studied this question.
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