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Using an Office Inkjet Printer to Define the Formation of Copper Films on Paper

Kumar, Sushant and Bhat, Vijayashree and Vinoy, KalarickaparambilJ and Santhanam, Venugopal (2014) Using an Office Inkjet Printer to Define the Formation of Copper Films on Paper. In: IEEE TRANSACTIONS ON NANOTECHNOLOGY, 13 (1). pp. 160-164.

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Official URL: http://dx.doi.org/10.1109/TNANO.2013.2295765

Abstract

A low-cost fabrication process for forming conductive copper lines on paper is presented. An office inkjet printer was used to deposit desired patterns of silver nitrate and tannic acid solutions sequentially on paper. Silver nitrate was instantaneously reduced in situ on paper by tannic acid at room temperature to form silver nanoparticles, which acted as catalysts for the subsequent electroless deposition of copper. The copper films were 1.8 mu m thick, and the sheet resistance of the copper film on paper was 9 Omega/square. A dual monopole ultrawide band antenna was fabricated on paper and its performance was equivalent to that of a similar antenna fabricated on a copper-film covered Kapton substrate using conventional lithographic processes. The paper-based conductive copper films fabricated using the facile process presented herein will aid the development of low-cost flexible circuits and sensors.

Item Type: Journal Article
Additional Information: Copyright for this article belongs to the IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, USA
Keywords: Copper; flexible structures; nanoparticles; printing; radio frequency identification (RFID) tags
Department/Centre: Division of Electrical Sciences > Electrical Communication Engineering
Division of Mechanical Sciences > Chemical Engineering
Depositing User: Id for Latest eprints
Date Deposited: 13 May 2014 11:32
Last Modified: 13 May 2014 11:32
URI: http://eprints.iisc.ac.in/id/eprint/48963

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