Surface-Embedded Stretchable Electrodes by Direct Printing and their Uses to Fabricate Ultrathin Vibration Sensors and Circuits for 3D Structures

Jun Hyuk Song, Young Tae Kim, Sunghwan Cho, Woo Jin Song, Sungmin Moon, Chan Gyung Park, Soojin Park, Jae Min Myoung, Unyong Jeong

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

Printing is one of the easy and quick ways to make a stretchable wearable electronics. Conventional printing methods deposit conductive materials “on” or “inside” a rubber substrate. The conductors made by such printing methods cannot be used as device electrodes because of the large surface topology, poor stretchability, or weak adhesion between the substrate and the conducting material. Here, a method is presented by which conductive materials are printed in the way of being surface-embedded in the rubber substrate; hence, the conductors can be widely used as device electrodes and circuits. The printing process involves a direct printing of a metal precursor solution in a block-copolymer rubber substrate and chemical reduction of the precursor into metal nanoparticles. The electrical conductivity and sensitivity to the mechanical deformation can be controlled by adjusting the number of printing operations. The fabrication of highly sensitive vibration sensors is thus presented, which can detect weak pulses and sound waves. In addition, this work takes advantage of the viscoelasticity of the composite conductor to fabricate highly conductive stretchable circuits for complicated 3D structures. The printed electrodes are also used to fabricate a stretchable electrochemiluminescence display.

Original languageEnglish
Article number1702625
JournalAdvanced Materials
Volume29
Issue number43
DOIs
Publication statusPublished - 2017 Nov 20

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Printing
Electrodes
Networks (circuits)
Rubber
Sensors
Conductive materials
Substrates
Metal nanoparticles
Viscoelasticity
Block copolymers
Adhesion
Deposits
Metals
Display devices
Topology
Acoustic waves
Fabrication
Composite materials

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Song, Jun Hyuk ; Kim, Young Tae ; Cho, Sunghwan ; Song, Woo Jin ; Moon, Sungmin ; Park, Chan Gyung ; Park, Soojin ; Myoung, Jae Min ; Jeong, Unyong. / Surface-Embedded Stretchable Electrodes by Direct Printing and their Uses to Fabricate Ultrathin Vibration Sensors and Circuits for 3D Structures. In: Advanced Materials. 2017 ; Vol. 29, No. 43.
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Surface-Embedded Stretchable Electrodes by Direct Printing and their Uses to Fabricate Ultrathin Vibration Sensors and Circuits for 3D Structures. / Song, Jun Hyuk; Kim, Young Tae; Cho, Sunghwan; Song, Woo Jin; Moon, Sungmin; Park, Chan Gyung; Park, Soojin; Myoung, Jae Min; Jeong, Unyong.

In: Advanced Materials, Vol. 29, No. 43, 1702625, 20.11.2017.

Research output: Contribution to journalArticle

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