Sintering Behavior of Copper Nanoparticle Ink by Laser in Air
- Authors
- Yu, Jun Ho; Jung, Hyun Suk; Jeong, Jae Kyeong; Kang, Kyung-Tae
- Issue Date
- Mar-2019
- Publisher
- AMER SCIENTIFIC PUBLISHERS
- Keywords
- Printed Electronics; Copper Ink; Sintering; Laser; Residual Organics
- Citation
- JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY, v.19, no.3, pp.1261 - 1268
- Indexed
- SCIE
- Journal Title
- JOURNAL OF NANOSCIENCE AND NANOTECHNOLOGY
- Volume
- 19
- Number
- 3
- Start Page
- 1261
- End Page
- 1268
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/15005
- DOI
- 10.1166/jnn.2019.16233
- ISSN
- 1533-4880
- Abstract
- This paper presents a sintering technique using a laser in air which can provide heat for a few hundred milliseconds. In this study, a laser having a wavelength of 532 nm and a maximum-power output of 5 W was used. The effects of irradiated laser power at 104-282 W/cm(2) and sintering time of 50-330 milliseconds applied on spin-coated copper nanoparticle ink were investigated. The residual organic agent, oxidation, and specific resistance of the laser-sintered copper nanoparticle ink were characterized, and the sintering behavior was analyzed. For application, laser-sintered copper nanoparticle ink was confirmed to offer acceptable performance as a source and drain electrode in a thin-film transistor.
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