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SMP samples were composed of two parts: tBA-BA copolymer comprised the thermally triggered component (shape change 1), and PCL fibers with GO particles physically attached comprised the photothermally triggered component (shape change 2). tBA-BA (tert-butyl acrylate-butyl acrylate), GO (methacrylated graphene oxide), and PCL (poly(ε-caprolactone)).
