Advanced Materials

Cover image for Vol. 28 Issue 17

21_44/2009Shrink-Induced Nanowrinkles: Tunable Nanowrinkles on Shape Memory Polymer Sheets (Adv. Mater. 44/2009)

By leveraging the mismatch in stiffness between a stiff thin metal film and heat-induced shrinkage of prestressed polystyrene sheets, Michelle Khine and co-workers can rapidly and controllably create tunable nanowrinkles of various sizes and shapes for surface-enhanced sensing applications, as reported on p. 4472. Because the wrinkles are robustly embedded into the plastic, nanostructures can be integrated into microfluidic channels within minutes. Cover design by Libre Design.

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