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Shear-Assisted Laser Transfer of Metal Nanoparticle Ink to an Elastomer Substrate

Title
Shear-Assisted Laser Transfer of Metal Nanoparticle Ink to an Elastomer Substrate
Author
홍석준
Keywords
laser transfer; metal nanoparticle ink; stretchable electronics
Issue Date
2018-12
Publisher
MDPI AG
Citation
MATERIALS, v. 11, No. 12, Article no. 2511
Abstract
Selective laser sintering of metal nanoparticle ink is an attractive technology for the creation of metal layers at the microscale without any vacuum deposition process, yet its application to elastomer substrates has remained a highly challenging task. To address this issue, we introduced the shear-assisted laser transfer of metal nanoparticle ink by utilizing the difference in thermal expansion coefficients between the elastomer and the target metal electrode. The laser was focused and scanned across the absorbing metal nanoparticle ink layer that was in conformal contact with the elastomer with a high thermal expansion coefficient. The resultant shear stress at the interface assists the selective transfer of the sintered metal nanoparticle layer. We expect that the proposed method can be a competent fabrication route for a transparent conductor on elastomer substrates.
URI
https://www.mdpi.com/1996-1944/11/12/2511/htmhttps://repository.hanyang.ac.kr/handle/20.500.11754/106164
ISSN
1996-1944
DOI
10.3390/ma11122511
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > MECHANICAL ENGINEERING(기계공학과) > Articles
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