期刊
SCRIPTA MATERIALIA
卷 62, 期 5, 页码 258-261出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.scriptamat.2009.11.011
关键词
Inkjet printing; Sintering; Copper; Nanoparticle
Inkjet printed patterns using copper nanoparticles (NPs) were sintered at 250 degrees C under reducing atmosphere. The size of NPs covered by organic capping molecules was 5 nm on average. A crack-free Cu film was obtained after sintering. The grain size of the film reached 500 nm upon grain growth. However, only agglomeration of NPs was observed at the bottom of the film. The resistance was 0.88 Omega on average and the patterns were electrically tested by light-emitting diodes. (C) 2009 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
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