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Authors
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Wang, J. J. ; Xie, J. X. ; Zong, C. Y. ; Han, X. ; Zhao, J. X. ; Jiang, S. C. ; Cao, Y. P. ; Fery, A. ; Lu, C. H.
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Title
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Light-modulated surface micropatterns with multifunctional surface properties on photodegradable polymer films
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Date
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05.10.2017
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Number
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54006
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Abstract
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Photodegradable polymers constitute an emerging class of materials that are expected to possess advances in the areas of micro/nano- and biotechnology. Herein, we report a green and effective strategy to fabricate light-responsive surface micropatterns by taking advantage of photodegradation chemistry. Thanks to the molecular chain breakage during the photolysis process, the stress field of photodegradable polymer-based wrinkling systems undergoes continuous disturbance, leading to the release/reorganization of the internal stress. Revealed by systematic experiments, the light-induced stress release mechanism enables the dynamic adaption of not only thermal-induced labyrinth wrinkles, but uniaxially oriented wrinkle microstructures induced by mechanical straining. This method paves the way for their diverse applications, for example, in optical information display and storage, and the smart fabrication of multifunctional surfaces as demonstrated here.
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Publisher
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ACS Applied Materials & Interfaces
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Wikidata
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Citation
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ACS Applied Materials & Interfaces 9 (2017) 37402-37410
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DOI
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https://doi.org/10.1021/acsami.7b10573
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Tags
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dynamic pattern multifunctional surface photodegradation stress release surface wrinkling
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