Self-assembled multilayer wrinkles on coated polymer surface
- Author(s): Bin Wang 1, 2 ; Jie Ren 1, 2 ; Yong-Hong Ye 1, 2
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View affiliations
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Affiliations:
1:
School of Physics and Technology, Nanjing Normal University, Nanjing 210023, People's Republic of China;
2: Jiangsu Provincial Key Laboratory of Optoelectronic Technology, Nanjing Normal University, Nanjing, People's Republic of China
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Affiliations:
1:
School of Physics and Technology, Nanjing Normal University, Nanjing 210023, People's Republic of China;
- Source:
Volume 9, Issue 7,
July 2014,
p.
429 – 431
DOI: 10.1049/mnl.2014.0040 , Online ISSN 1750-0443
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When coating different dielectrics on polymer surfaces, the surface morphology could be changed to wrinkles or cracks. The wrinkles or cracks are self-formed during the process of heating and cooling. The presented experimental results show that the wrinkles can be self-aligned between two nearest patterns. The direction of aligned wrinkles can be tuned to parallel, perpendicular and required degrees according to the different array-based patterns. The number of wrinkles can also be controlled by changing the size of the patterns. In a limited range, a larger size pit has more wrinkles.
Inspec keywords: self-assembly; cracks; surface morphology; heating; multilayers; cooling
Other keywords: compressive stress; cracks; surface morphology; coated polymer surface; PDMS; self-assembled multilayer wrinkles; cooling; array-based patterns; heating
Subjects: Fatigue, brittleness, fracture, and cracks; Solid surface structure; Fatigue, embrittlement, and fracture
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