Production of Flexible Transparent Conducting Films of Self-Fused Nanowires via One-Step Supersonic Spraying

Jong Gun Lee; Do Yeon Kim; Jong Hyuk Lee; Suman Sinha-Ray; Alexander L. Yarin; Mark T. Swihart; Donghwan Kim; Sam S. Yoon

doi:10.1002/adfm.201602548

Production of Flexible Transparent Conducting Films of Self-Fused Nanowires via One-Step Supersonic Spraying

Jong Gun Lee, Do Yeon Kim, Jong Hyuk Lee, Suman Sinha-Ray, Alexander L. Yarin, Mark T. Swihart, Donghwan Kim, Sam S. Yoon

Research output: Contribution to journal › Article › peer-review

64 Citations (Scopus)

Abstract

Scalable and economical manufacturing of flexible transparent conducting films (TCF) is a key barrier to widespread adoption of low-cost flexible electronics. Here, a simple, robust, and scalable method of flexible TCF formation using supersonic kinetic spraying is demonstrated. Silver nanowire (AgNW) suspensions are sprayed at supersonic speed to produce self-sintered films of AgNWs on flexible substrates. These films display remarkably low sheet resistance, <10 Ω sq⁻¹, combined with high transmittance, >90%. These electrically conducting, transparent, and flexible coatings can be deposited over a 100 cm² area in ≈30 s. Theoretical analysis reveals the underlying physical mechanism behind self-sintering, showing that self-sintering is enabled by the high velocity of impact in supersonic spraying.

Original language	English
Article number	1602548
Journal	Advanced Functional Materials
Volume	27
Issue number	1
DOIs	https://doi.org/10.1002/adfm.201602548
Publication status	Published - 2017 Jan 5

Bibliographical note

Publisher Copyright:
© 2016 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim

Keywords

self-fusion
silver nanowires
supersonic kinetic spraying
transparent conducting films

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
Condensed Matter Physics
General Chemistry
General Materials Science
Electrochemistry
Biomaterials

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title = "Production of Flexible Transparent Conducting Films of Self-Fused Nanowires via One-Step Supersonic Spraying",

abstract = "Scalable and economical manufacturing of flexible transparent conducting films (TCF) is a key barrier to widespread adoption of low-cost flexible electronics. Here, a simple, robust, and scalable method of flexible TCF formation using supersonic kinetic spraying is demonstrated. Silver nanowire (AgNW) suspensions are sprayed at supersonic speed to produce self-sintered films of AgNWs on flexible substrates. These films display remarkably low sheet resistance, <10 Ω sq−1, combined with high transmittance, >90%. These electrically conducting, transparent, and flexible coatings can be deposited over a 100 cm2 area in ≈30 s. Theoretical analysis reveals the underlying physical mechanism behind self-sintering, showing that self-sintering is enabled by the high velocity of impact in supersonic spraying.",

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AU - Kim, Do Yeon

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AU - Sinha-Ray, Suman

AU - Yarin, Alexander L.

AU - Swihart, Mark T.

AU - Kim, Donghwan

AU - Yoon, Sam S.

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AB - Scalable and economical manufacturing of flexible transparent conducting films (TCF) is a key barrier to widespread adoption of low-cost flexible electronics. Here, a simple, robust, and scalable method of flexible TCF formation using supersonic kinetic spraying is demonstrated. Silver nanowire (AgNW) suspensions are sprayed at supersonic speed to produce self-sintered films of AgNWs on flexible substrates. These films display remarkably low sheet resistance, <10 Ω sq−1, combined with high transmittance, >90%. These electrically conducting, transparent, and flexible coatings can be deposited over a 100 cm2 area in ≈30 s. Theoretical analysis reveals the underlying physical mechanism behind self-sintering, showing that self-sintering is enabled by the high velocity of impact in supersonic spraying.

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Production of Flexible Transparent Conducting Films of Self-Fused Nanowires via One-Step Supersonic Spraying

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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