Temperature effect on physical properties and surface morphology of printed silver ink during continuous laser scanning sintering
- Authors
- Lee, Ik-sang; Ryu, Kyongtae; Park, Kyung-Hoon; Moon, Yoon-Jae; Hwang, Jun-Young; Moon, Seung-Jae
- Issue Date
- May-2017
- Publisher
- PERGAMON-ELSEVIER SCIENCE LTD
- Keywords
- Laser sintering; Inkjet printing; Silver nanoparticles; Specific resistance; Neck growth; Surface morphology
- Citation
- INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, v.108, pp.1960 - 1968
- Indexed
- SCIE
SCOPUS
- Journal Title
- INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER
- Volume
- 108
- Start Page
- 1960
- End Page
- 1968
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/20363
- DOI
- 10.1016/j.ijheatmasstransfer.2016.11.095
- ISSN
- 0017-9310
- Abstract
- The temperature effect on the electrical characteristics and surface morphology of printed silver ink was investigated for laser irradiation with various laser scanning speeds and intensities. Inkjet-printed silver lines onto a glass substrate were irradiated with a 532 nm continuous wave. The electrical resistance was measured after laser sintering with various scanning speeds and intensities. The temperature field was invoked in the printed silver ink line by laser scanning sintering and this was predicted by numerical analysis. This temperature field show a quasi-steady state behavior since laser irradiation can be considered as a moving heat source. Field emission scanning electron microscope images were then examined with calculated temperatures of printed silver ink. The relation of surface morphology with temperature field were discussed. The effect of a laser scanning speed on the specific resistance of the conductive ink line was intensively investigated.
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