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Volume: 56 | Article ID: art00002
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Water-Based Carbon-Coated Copper Nanoparticle Fluid—Formation of Conductive Layers at Low Temperature by Spin Coating and Inkjet Deposition
  DOI :  10.2352/J.ImagingSci.Technol.2012.56.4.040501  Published OnlineDecember 2012
Abstract

Abstract A conductive inkjettable fluid was formulated based on carbon-coated copper nanoparticles. The copper particles were produced by vapor-phase reduction of copper chloride and coated in situ with carbon. The average particle size was 44‐88 nm depending on the chosen production parameters. The optimized fluid was a water/ethylene glycol monobutyl ether/n-propanol mixture with 25 wt% nanoparticles, stabilized by a polymeric dispersing agent. A conductivity of 6.4 S/m was obtained with a single deposited layer without sintering or high-temperature annealing. The materials are interesting for several applications such as antistatic coatings, resistors, and sensors.

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K. Eiroma, J. Forsman, E.-L. Hult, A. Auvinen, T. Sipiläinen-Malm, A. Alastalo, U. Tapper, J. Leppäniemi, P. Mattila, J. Lyyränen, J. Sarlin, J. Jokiniemi, S. Mössmer, "Water-Based Carbon-Coated Copper Nanoparticle Fluid—Formation of Conductive Layers at Low Temperature by Spin Coating and Inkjet Depositionin Journal of Imaging Science and Technology,  2012,  pp 40501-1 - 40501-10,  https://doi.org/10.2352/J.ImagingSci.Technol.2012.56.4.040501

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