Pulsed light sintering characteristics of inkjet-printed nanosilver films on a polymer substrate

Title
Pulsed light sintering characteristics of inkjet-printed nanosilver films on a polymer substrate
Authors
이동준박성현장 신김학성오제훈송용원
Keywords
pulsed light sintering; injet printing; nanosilver ink; flexible electronics
Issue Date
2011-11
Publisher
Journal of micromechanics and microengineering
Citation
VOL 21, NO 12, 125023-1-125023-7
Abstract
In this work, the microstructures of inkjet-printed nanosilver films sintered by intense pulsed light (IPL) were systematically analyzed and correlated with the electrical properties. Nanosilver films with various dimensions were inkjet-printed and sintered at different light intensities to investigate the effects of the film dimension and light intensity on the sintering characteristics. For comparison purposes, the same inkjet-printed films were also thermally sintered at 210 ℃ for 1 h. Consecutive light pulses from a xenon lamp induced film swelling and the corresponding hollow microstructures of the inkjet nanosilver films. The resistance of IPL-sintered films was inversely proportional to the light intensity, and the resultant conductivity comparable to the thermally sintered one was achieved within just a few tens of ms, without damaging a polymer substrate. While all the thermally sintered patterns experienced shrinkage during the sintering process, the IPL-sintered ones could keep their initial dimension at a certain light intensity.
URI
http://pubs.kist.re.kr/handle/201004/41171
ISSN
0960-1317
Appears in Collections:
KIST Publication > Article
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