Self-healing metal wire using an electric field trapping of gold nanoparticles for flexible devices

Tomoya Koshi; Eiji Iwase

doi:10.1109/MEMSYS.2015.7050891

Self-healing metal wire using an electric field trapping of gold nanoparticles for flexible devices

Tomoya Koshi, Eiji Iwase

School of Fundamental Science and Engineering

Research output: Contribution to journal › Conference article › peer-review

1 Citation (Scopus)

Abstract

We developed a self-healing metal wire using an electric field trapping of gold nanoparticles. A cracked metal wire on a stretchable substrate can get its conductivity again by the self-healing function. In this paper, first, we theoretically analyzed force acting on a nanoparticle and calculated a critical voltage which cause the electric field trapping. Next, we fabricated gold wires with artificially patterned cracks on a glass substrate and verified the self-healing function by experiments of a crack healing. Finally, we demonstrated the self-healing of a cracked metal wire on a stretchable substrate to show a usefulness of the self-healing for flexible devices.

Original language	English
Article number	7050891
Pages (from-to)	81-84
Number of pages	4
Journal	Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS)
Volume	2015-February
Issue number	February
DOIs	https://doi.org/10.1109/MEMSYS.2015.7050891
Publication status	Published - 2015 Feb 26
Event	2015 28th IEEE International Conference on Micro Electro Mechanical Systems, MEMS 2015 - Estoril, Portugal Duration: 2015 Jan 18 → 2015 Jan 22

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
Mechanical Engineering
Electrical and Electronic Engineering

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10.1109/MEMSYS.2015.7050891

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Self-healing metal wire using an electric field trapping of gold nanoparticles for flexible devices. / Koshi, Tomoya; Iwase, Eiji.
In: Proceedings of the IEEE International Conference on Micro Electro Mechanical Systems (MEMS), Vol. 2015-February, No. February, 7050891, 26.02.2015, p. 81-84.

Research output: Contribution to journal › Conference article › peer-review

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abstract = "We developed a self-healing metal wire using an electric field trapping of gold nanoparticles. A cracked metal wire on a stretchable substrate can get its conductivity again by the self-healing function. In this paper, first, we theoretically analyzed force acting on a nanoparticle and calculated a critical voltage which cause the electric field trapping. Next, we fabricated gold wires with artificially patterned cracks on a glass substrate and verified the self-healing function by experiments of a crack healing. Finally, we demonstrated the self-healing of a cracked metal wire on a stretchable substrate to show a usefulness of the self-healing for flexible devices.",

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AB - We developed a self-healing metal wire using an electric field trapping of gold nanoparticles. A cracked metal wire on a stretchable substrate can get its conductivity again by the self-healing function. In this paper, first, we theoretically analyzed force acting on a nanoparticle and calculated a critical voltage which cause the electric field trapping. Next, we fabricated gold wires with artificially patterned cracks on a glass substrate and verified the self-healing function by experiments of a crack healing. Finally, we demonstrated the self-healing of a cracked metal wire on a stretchable substrate to show a usefulness of the self-healing for flexible devices.

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Self-healing metal wire using an electric field trapping of gold nanoparticles for flexible devices

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