Coupled Ag nanocrystal-based transparent mesh electrodes for transparent and flexible electro-magnetic interference shielding films

Mi Hyun Kim; Hyungmok Joh; Sung Hoon Hong; Soong Ju Oh

doi:10.1016/j.cap.2018.10.016

Coupled Ag nanocrystal-based transparent mesh electrodes for transparent and flexible electro-magnetic interference shielding films

Mi Hyun Kim, Hyungmok Joh, Sung Hoon Hong, Soong Ju Oh

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

19 Citations (Scopus)

Abstract

In this study, we developed a fabrication method of conductive and transparent Ag mesh electrodes on flexible polymer film at temperatures lower than 100 °C. Random patterned Ag mesh film was fabricated on a flexible PET substrate over 15 × 15 cm² by a self-assembly process. It became conductive by a coupling process at low temperatures. The coupled Ag mesh film showed more than 88% transmittance in visible wavelength and less than 8.2 Ω sq⁻¹ in sheet resistance with figure of merit (FoM) value of 350. This transparent flexible EMI shield film fabricated with a coupled Ag mesh pattern showed high EM shielding effectiveness of −23 dB at 1.5–10 GHz frequency with a high transparency of 88%.

Original language	English
Pages (from-to)	8-13
Number of pages	6
Journal	Current Applied Physics
Volume	19
Issue number	1
DOIs	https://doi.org/10.1016/j.cap.2018.10.016
Publication status	Published - 2019 Jan

Bibliographical note

Funding Information:
This research was supported by Global Frontier Project ( CAMM-2014M3A6B3063702 ) funded by the Ministry of Science, ICT and Future Planning , Republic of Korea, ETRI grant funded through the Korean government ( 18ZB1100 , Development of Basic Technologies for 3D Photo-Electronics).

Publisher Copyright:
© 2018 Korean Physical Society

Copyright:
Copyright 2018 Elsevier B.V., All rights reserved.

Keywords

EM shield
Flexible electrode
Ligand exchange
Nanocrystal coupling
Transparent Ag mesh

ASJC Scopus subject areas

General Materials Science
General Physics and Astronomy

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10.1016/j.cap.2018.10.016

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title = "Coupled Ag nanocrystal-based transparent mesh electrodes for transparent and flexible electro-magnetic interference shielding films",

abstract = "In this study, we developed a fabrication method of conductive and transparent Ag mesh electrodes on flexible polymer film at temperatures lower than 100 °C. Random patterned Ag mesh film was fabricated on a flexible PET substrate over 15 × 15 cm2 by a self-assembly process. It became conductive by a coupling process at low temperatures. The coupled Ag mesh film showed more than 88% transmittance in visible wavelength and less than 8.2 Ω sq−1 in sheet resistance with figure of merit (FoM) value of 350. This transparent flexible EMI shield film fabricated with a coupled Ag mesh pattern showed high EM shielding effectiveness of −23 dB at 1.5–10 GHz frequency with a high transparency of 88%.",

keywords = "EM shield, Flexible electrode, Ligand exchange, Nanocrystal coupling, Transparent Ag mesh",

author = "Kim, {Mi Hyun} and Hyungmok Joh and Hong, {Sung Hoon} and Oh, {Soong Ju}",

note = "Funding Information: This research was supported by Global Frontier Project ( CAMM-2014M3A6B3063702 ) funded by the Ministry of Science, ICT and Future Planning , Republic of Korea, ETRI grant funded through the Korean government ( 18ZB1100 , Development of Basic Technologies for 3D Photo-Electronics). Publisher Copyright: {\textcopyright} 2018 Korean Physical Society Copyright: Copyright 2018 Elsevier B.V., All rights reserved.",

year = "2019",

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doi = "10.1016/j.cap.2018.10.016",

language = "English",

volume = "19",

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AU - Kim, Mi Hyun

AU - Joh, Hyungmok

AU - Hong, Sung Hoon

AU - Oh, Soong Ju

N1 - Funding Information: This research was supported by Global Frontier Project ( CAMM-2014M3A6B3063702 ) funded by the Ministry of Science, ICT and Future Planning , Republic of Korea, ETRI grant funded through the Korean government ( 18ZB1100 , Development of Basic Technologies for 3D Photo-Electronics). Publisher Copyright: © 2018 Korean Physical Society Copyright: Copyright 2018 Elsevier B.V., All rights reserved.

PY - 2019/1

Y1 - 2019/1

N2 - In this study, we developed a fabrication method of conductive and transparent Ag mesh electrodes on flexible polymer film at temperatures lower than 100 °C. Random patterned Ag mesh film was fabricated on a flexible PET substrate over 15 × 15 cm2 by a self-assembly process. It became conductive by a coupling process at low temperatures. The coupled Ag mesh film showed more than 88% transmittance in visible wavelength and less than 8.2 Ω sq−1 in sheet resistance with figure of merit (FoM) value of 350. This transparent flexible EMI shield film fabricated with a coupled Ag mesh pattern showed high EM shielding effectiveness of −23 dB at 1.5–10 GHz frequency with a high transparency of 88%.

AB - In this study, we developed a fabrication method of conductive and transparent Ag mesh electrodes on flexible polymer film at temperatures lower than 100 °C. Random patterned Ag mesh film was fabricated on a flexible PET substrate over 15 × 15 cm2 by a self-assembly process. It became conductive by a coupling process at low temperatures. The coupled Ag mesh film showed more than 88% transmittance in visible wavelength and less than 8.2 Ω sq−1 in sheet resistance with figure of merit (FoM) value of 350. This transparent flexible EMI shield film fabricated with a coupled Ag mesh pattern showed high EM shielding effectiveness of −23 dB at 1.5–10 GHz frequency with a high transparency of 88%.

KW - EM shield

KW - Flexible electrode

KW - Ligand exchange

KW - Nanocrystal coupling

KW - Transparent Ag mesh

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Coupled Ag nanocrystal-based transparent mesh electrodes for transparent and flexible electro-magnetic interference shielding films

Abstract

Bibliographical note

Keywords

ASJC Scopus subject areas

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