| Effect of Carboxylic Acid on Sintering of Inkjet-Printed Copper Nanoparticulate Films. | |
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MedLine Citation:
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PMID: 21612230 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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The reduction effect of various carboxylic acids on inkjet-printed copper film was investigated. Carboxylic acids were exposed to the film by nitrogen gas that was bubbled through the liquid acids during the annealing process. It was observed that in the case of saturated mono-carboxylic acid (formic, acetic, propionic, butyric), the acids with shorter hydrocarbon chains perform better in reducing the surface copper oxides in the printed copper conductive film. The printed films exposed to formic acid vapor exhibited the lowest resistivity (3.10 and 2.30 μΩ•cm when annealed at 200°C and 250°C, respectively). In addition, the oxalic acid more effectively reduces copper oxide than formic acid and its usage can shorten the annealing time for highly conductive printed copper film. This reductive annealing process allows fabrication of copper patterns with low resistivity, (3.82 μΩ•cm annealed at 250°C) comparable to the resistivity of bulk copper. |
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Authors:
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Kyoohee Woo; Youngwoo Kim; Byungyoon Lee; Jonghee Kim; Jooho Moon |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2011-5-25 |
Journal Detail:
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Title: ACS applied materials & interfaces Volume: - ISSN: 1944-8252 ISO Abbreviation: - Publication Date: 2011 May |
Date Detail:
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Created Date: 2011-5-26 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 101504991 Medline TA: ACS Appl Mater Interfaces Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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