Extremely flexible, printable Ag conductive features on PET and paper substrates via continuous millisecond photonic sintering in a large area

Yejin Jo, Sang Jin Oh, Sun Sook Lee, Yeong Hui Seo, Beyong Hwan Ryu, Jooho Moon, Youngmin Choi, Sunho Jeong

Research output: Contribution to journalArticle

47 Citations (Scopus)

Abstract

The development of highly conductive, flexible metallic constituents in patterned geometries has been of paramount interest in various optoelectronic applications. Among a variety of materials, silver nanoparticles have been considered as candidates that meet the physical/chemical requirements for practical applications; but, the issues for applicability to roll-to-roll processes on inexpensive substrates have not been yet resolved. In this study, we demonstrate that the highly flexible, rollable, printable Ag structures, with an electrical resistivity of 8.0 μΩ cm, are easily formed on a timescale of 10-3 s on polyethylene terephthalate and paper substrates, by supplying highly intensive photon energies on olate-Ag nanoparticle assemblies. The precise control of the amount of carbon residues, by virtue of sophisticatedly adjustable input of photon energies, allows the formation of well-adhesive metallic films on plastic substrates, without incorporating any additional procedures, enabling extreme flexibility during 10000 cycles with a bending radius of 1.5 mm. The continuous approach with a moving stage also suggests the potential toward a practical sintering process for instantly generating highly flexible, conductive metallic architectures in a large area. This journal is

Original languageEnglish
Pages (from-to)9746-9753
Number of pages8
JournalJournal of Materials Chemistry C
Volume2
Issue number45
DOIs
Publication statusPublished - 2014 Dec 7

Fingerprint

Photonics
Sintering
Substrates
Photons
Nanoparticles
Metallic films
Polyethylene Terephthalates
Silver
Optoelectronic devices
Polyethylene terephthalates
Adhesives
Carbon
Plastics
Geometry

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Materials Chemistry

Cite this

Jo, Yejin ; Oh, Sang Jin ; Lee, Sun Sook ; Seo, Yeong Hui ; Ryu, Beyong Hwan ; Moon, Jooho ; Choi, Youngmin ; Jeong, Sunho. / Extremely flexible, printable Ag conductive features on PET and paper substrates via continuous millisecond photonic sintering in a large area. In: Journal of Materials Chemistry C. 2014 ; Vol. 2, No. 45. pp. 9746-9753.
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Extremely flexible, printable Ag conductive features on PET and paper substrates via continuous millisecond photonic sintering in a large area. / Jo, Yejin; Oh, Sang Jin; Lee, Sun Sook; Seo, Yeong Hui; Ryu, Beyong Hwan; Moon, Jooho; Choi, Youngmin; Jeong, Sunho.

In: Journal of Materials Chemistry C, Vol. 2, No. 45, 07.12.2014, p. 9746-9753.

Research output: Contribution to journalArticle

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