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Temperature effect on physical properties and surface morphology of printed silver ink during continuous laser scanning sintering

Title
Temperature effect on physical properties and surface morphology of printed silver ink during continuous laser scanning sintering
Author
문승재
Keywords
Laser sintering; Inkjet printing; Silver nanoparticles; Specific resistance; Neck growth; Surface morphology
Issue Date
2017-05
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Citation
INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, v. 108, page. 1960-1968, pt. B
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. (C) 2017 Elsevier Ltd. All rights reserved.
URI
https://www.sciencedirect.com/science/article/pii/S0017931016338893?via%3Dihubhttps://repository.hanyang.ac.kr/handle/20.500.11754/114149
ISSN
0017-9310; 1879-2189
DOI
10.1016/j.ijheatmasstransfer.2016.11.095
Appears in Collections:
COLLEGE OF ENGINEERING[S](공과대학) > MECHANICAL ENGINEERING(기계공학부) > Articles
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