Selective crack suppression during deformation in metal films on polymer substrates using electron beam irradiation

So-Yeon Lee; Kyung Ryoul Park; Sung-gyu Kang; Ji-Hoon Lee; Eun-chae Jeon; Cheol-Hwee Shim; Jae-Pyoung Ahn; Dong-Ik Kim; Heung Nam Han; Young-Chang Joo; Changsoon Kim; In-Suk Choi

doi:10.1038/s41467-019-12451-8

Nature Communications (Oct 2019)

Selective crack suppression during deformation in metal films on polymer substrates using electron beam irradiation

So-Yeon Lee,
Kyung Ryoul Park,
Sung-gyu Kang,
Ji-Hoon Lee,
Eun-chae Jeon,
Cheol-Hwee Shim,
Jae-Pyoung Ahn,
Dong-Ik Kim,
Heung Nam Han,
Young-Chang Joo,
Changsoon Kim,
In-Suk Choi

Affiliations

So-Yeon Lee: Department of Materials Science and Engineering, Seoul National University
Kyung Ryoul Park: Graduate School of Convergence Science and Technology, and Inter-University Semiconductor Research Center, Seoul National University
Sung-gyu Kang: Department of Materials Science and Engineering, Seoul National University
Ji-Hoon Lee: Materials Center for Energy Convergence, Surface Technology Division, Korea Institute of Materials Science (KIMS)
Eun-chae Jeon: School of Materials Science and Engineering, University of Ulsan
Cheol-Hwee Shim: Advanced Analysis Center, Korea Institute of Science and Technology
Jae-Pyoung Ahn: Advanced Analysis Center, Korea Institute of Science and Technology
Dong-Ik Kim: Center for Energy Materials Research, Korea Institute of Science and Technology
Heung Nam Han: Department of Materials Science and Engineering, Seoul National University
Young-Chang Joo: Department of Materials Science and Engineering, Seoul National University
Changsoon Kim: Graduate School of Convergence Science and Technology, and Inter-University Semiconductor Research Center, Seoul National University
In-Suk Choi: Department of Materials Science and Engineering, Seoul National University

DOI: https://doi.org/10.1038/s41467-019-12451-8
Journal volume & issue: Vol. 10, no. 1
pp. 1 – 8

Abstract

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Cracking in thin films is usually associated with failure. Here, the authors use an electron beam to selectively irradiate a copper thin film on a polymer substrate and introduce designed cracks under tension to make a strain responsive organic light-emitting device (OLED).

Published in Nature Communications

ISSN: 2041-1723 (Online)
Publisher: Nature Portfolio
Country of publisher: United Kingdom
LCC subjects: Science
Website: https://www.nature.com/ncomms/

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