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Effect of Carboxylic Acids on Reactive Transfer Printing of Copper Formate Ink

Published online by Cambridge University Press:  11 January 2018

Yitzchak S. Rosen  and
Shlomo Magdassi
Yitzchak S. Rosen
Affiliation:
The Hebrew University of Jerusalem, Casali Center of Applied Chemistry, Institute of Chemistry, Jerusalem 91904, Israel.
Shlomo Magdassi*
Affiliation:
The Hebrew University of Jerusalem, Casali Center of Applied Chemistry, Institute of Chemistry, Jerusalem 91904, Israel.
*
*(Email: magdassi@mail.huji.ac.il)
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Abstract

During decomposition of copper formate, a volatile intermediate is formed, that can be utilized to fabricate conductive copper lines for electrical interconnections. By the method called Reactive Transfer Printing (RTP), a pattern of copper (II) formate was printed, and placed adjacent to a second surface; decomposition of the printed pattern led to a transfer of copper to the second substrate. It was found that the yield of the transfer process improved due to presence of several carboxylic acids which are liquid with a high boiling point. Furthermore we found that the transport of copper starts at a lower temperature than previously reported, indicating that the first decomposition step of copper formate is related to the catalytic decomposition of formic acid on a copper surface. The findings enable printing of conductive copper patterns onto the interior surface of a glass vessel.

Keywords

Cuchemical vapor deposition (CVD) (chemical reaction)
Type
Articles
Information
MRS Advances , Volume 3 , Issue 5: Electronics, Magnetics and Photonics , 2018 , pp. 261 - 267
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Copyright
Copyright © Materials Research Society 2018 

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