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Wallpapering-inspired spreading and wrinkling of atomically-thin materials

Authors
Lee, Sang IlLim, Hyeong-GyuKwon, Sun SangKim, Su HanLee, Jae HyungPark, Jeong-MinJang, Jae-ilYang, Sung IkPark, Won Il
Issue Date
Mar-2020
Publisher
ELSEVIER
Keywords
Graphene; Graphene wrinkle; Wrinkled graphene; Wrinkled membrane; Wrinkle-free graphene; Surface corrugation
Citation
APPLIED SURFACE SCIENCE, v.507, pp.1 - 7
Indexed
SCIE
SCOPUS
Journal Title
APPLIED SURFACE SCIENCE
Volume
507
Start Page
1
End Page
7
URI
https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/10673
DOI
10.1016/j.apsusc.2019.145184
ISSN
0169-4332
Abstract
We propose a novel wallpapering-inspired strategy to create wrinkles in a desired location and direction of single-layer graphene (Gr). The key to controlling the wrinkles is to regulate the permeation and release of solution through a regular array of holes between the substrate surface and Gr-based thin membrane (Gr/Cu in the first stage and Gr in the second stage). Microscopic analysis showed that neighboring holes were interconnected by straightened wrinkles with a width of 300-500 nm and height of 10-20 nm, while surface corrugations (e.g., ripples and wrinkles) were suppressed on the planar regions surrounded by wrinkles. Wrinkling mechanism was further verified by in-situ optical microscopy and comparative analysis of Gr/Cu ripples and Gr wrinkles. Our approach is simple yet universally applicable to diverse types of thin membranes, thereby offering a robust and versatile route to engineering properties of atomically thin materials.
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Park, Won Il
COLLEGE OF ENGINEERING (SCHOOL OF MATERIALS SCIENCE AND ENGINEERING)
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