Inkjet Printable Polydimethylsiloxane for All-Inkjet-Printed Multilayered Soft Electrical Applications

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In recent years, additive manufacturing of polydimethylsiloxane (PDMS) has gained interest for the development of soft electronics. To build complex electrical devices, fabrication of multilayered structures is required. We propose here a straightforward digital printing fabrication process of silicone rubber-based, multilayered electronics. An inkjet-printable PDMS solution was developed for the digital patterning of elastomeric structures. The silicone ink was used together with a highly conductive silver nanoparticle (Ag NP) ink for the fabrication of all-inkjet-printed multilayered electrical devices. The application of the multilayered circuit board was successful. The sheet resistances were below 0.3 ω/□, and the conductive layer thickness was less than 1 μm. The electrical insulation between the conductive layers was done by printing a 20-25 μm-thick dielectric PDMS layer selectively on top of the bottommost conductive layer.

Original languageEnglish
Pages (from-to)11990-11997
Number of pages8
JournalACS Applied Materials and Interfaces
Issue number10
Publication statusPublished - 11 Mar 2020
Publication typeA1 Journal article-refereed


  • dielectric
  • elastomer
  • inkjet printing
  • multilayer
  • polydimethylsiloxane
  • printed electronics

Publication forum classification

  • Publication forum level 2

ASJC Scopus subject areas

  • Materials Science(all)


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