Self-assembled multilayer wrinkles on coated polymer surface

• Published in: Micro & nano letters Vol. 9; no. 7; pp. 429 - 431
• Main Authors: Wang, Bin, Ren, Jie, Ye, Yong-Hong
• Format: Journal Article
• Language: English
• Published: Stevenage The Institution of Engineering and Technology 01.07.2014; John Wiley & Sons, Inc
• Subjects: Alignment; array‐based patterns; coated polymer surface; Coating; compressive stress; Cooling; Cracks; Dielectrics; Heating; multilayers; Nanostructure; PDMS; Self-assembled multilayers; self‐assembled multilayer wrinkles; self‐assembly; surface morphology; self-assembly; array-based patterns; compressive stress; coated polymer surface; cooling; self-assembled multilayer wrinkles; cracks; multilayers; surface morphology; heating; PDMS
• ISSN: 1750-0443; 1750-0443
• DOI: 10.1049/mnl.2014.0040

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.