Tunable nanowrinkles on shape memory polymer sheets

Chi Cheng Fu, Anthony Grimes, Maureen Long, Christopher G.L. Ferri, Brent D. Rich, Somnath Ghosh, Sayantani Ghosh, Luke P. Lee, Ajay Gopinathan, Michelle Khine

Research output: Contribution to journalArticlepeer-review

201 Scopus citations

Abstract

(Figure Presented) Controllable biaxial and uniaxial nanowrinkles (see figure) are fabricated by a simple two-step approach - metal deposition and subsequent heating - based on shape memory polymer (prestressed polystyrene) sheets. The wavelengths of the wrinkles can be tuned by controlling the thickness of deposited metal. The ready integration of the nanowrinkles into microchannels and their effectiveness in surface enhanced sensing is demonstrated.

Original languageEnglish
Pages (from-to)4472-4476
Number of pages5
JournalAdvanced Materials
Volume21
Issue number44
DOIs
StatePublished - 26 Nov 2009

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