| 학회 |
한국고분자학회 |
| 학술대회 |
2018년 가을 (10/10 ~ 10/12, 경주컨벤션센터) |
| 권호 |
43권 2호 |
| 발표분야 |
기능성 고분자 |
| 제목 |
Solvent-induced radial nano-crack formation of gold deposited film for highly stretchable conductive electrode |
| 초록 |
The stretchable metal conductors on elastomers prepared by a vacuum deposition provide high-quality large-area metal patterns on a target substrate. However, the strain-induced defects that result from the mismatch of elastic moduli and poisson’s ratio between metals and substrates hinder their stretchability and usability. This study describes a simple approach to prepare highly stretchable metal deposited film with surface radial nano-cracks induced by residual organic solvent in the elastic substrate. We also demonstrate the effects of the concentration of residual solvent on crack topography on metal film and its propagation under tensile strains. A moderately small concentration of the residual solvent facilitates the formation of nano-cracks, and effective dissipation of tensile stress. This versatile method provides an approach to obtaining high quality metal films for use in wearable devices. |
| 저자 |
김성원, 조길원
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| 소속 |
POSTECH |
| 키워드 |
Stretchable metal film; Solvent-induced nanocrack
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| E-Mail |
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