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Nano Research 2019, 12(7): 1571-1577 https://doi.org/10.1007/s12274-019-2394-8
Research Article | Issue | Published: 16 April 2019

Can insulating graphene oxide contribute the enhanced conductivity and durability of silver nanowire coating?

Show Author's Information Feng Duan1,2,§,  Weiwei Li1,§,  Guorui Wang1,  Chuanxin Weng1,2,  Hao Jin1,  Hui Zhang1( ),  Zhong Zhang1( )
CAS Key Laboratory of Nanosystem and Hierarchical Fabrication,CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology,Beijing,100190,China;
University of Chinese Academy of Sciences,Beijing,100149,China;

§ Feng Duan and Weiwei Li contributed equally to this work.

Keywords:
durability, graphene oxide, flexible electronics, silver nanowires, transparent electrodes
Topics:
Coatings Conductive filmsGraphdiyneNanowiresOptoelectronic devicesSilver
Cite this article:
Duan F, Li W, Wang G, et al. Can insulating graphene oxide contribute the enhanced conductivity and durability of silver nanowire coating?. Nano Research, 2019, 12(7): 1571-1577. https://doi.org/10.1007/s12274-019-2394-8
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Abstract Full text Electronic supplementary material About this article

As an essential component of flexible optoelectronic devices, transparent conductive films made of silver nanowire (AgNW) have attracted wide attention due to the extraordinary optical, electrical and mechanical properties. However, the application of AgNW coating still faces some challenges to be overcome including large contact resistance and poor durability. Here, we induce insulating graphene oxide over silver nanowire network through solution process to modify the electrical property and provide a protective layer. Strong interaction with substrates reducing the contact resistance of AgNW junctions and extra conductive channels of graphene oxide sheets contributes to the dramatic enhancement in electric property as well as durability. The resulting coating exhibits superior and uniform optoelectronic performances (sheet resistance of ∼ 38 Ω·sq-1 with 91% transmittance at 550 nm), outstanding stability in harsh environments, strong adhesion, and excellent mechanical flexibility after 3, 000 bending cycles at a bending radius of 2.0 mm, which imply the promising application prospects in flexible optoelectronics.


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Abstract
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Electronic supplementary material
About this article

Can insulating graphene oxide contribute the enhanced conductivity and durability of silver nanowire coating?

Show Author's information Feng Duan1,2,§, Weiwei Li1,§, Guorui Wang1, Chuanxin Weng1,2, Hao Jin1, Hui Zhang1( ), Zhong Zhang1( )
CAS Key Laboratory of Nanosystem and Hierarchical Fabrication,CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology,Beijing,100190,China;
University of Chinese Academy of Sciences,Beijing,100149,China;

§ Feng Duan and Weiwei Li contributed equally to this work.

Abstract

As an essential component of flexible optoelectronic devices, transparent conductive films made of silver nanowire (AgNW) have attracted wide attention due to the extraordinary optical, electrical and mechanical properties. However, the application of AgNW coating still faces some challenges to be overcome including large contact resistance and poor durability. Here, we induce insulating graphene oxide over silver nanowire network through solution process to modify the electrical property and provide a protective layer. Strong interaction with substrates reducing the contact resistance of AgNW junctions and extra conductive channels of graphene oxide sheets contributes to the dramatic enhancement in electric property as well as durability. The resulting coating exhibits superior and uniform optoelectronic performances (sheet resistance of ∼ 38 Ω·sq-1 with 91% transmittance at 550 nm), outstanding stability in harsh environments, strong adhesion, and excellent mechanical flexibility after 3, 000 bending cycles at a bending radius of 2.0 mm, which imply the promising application prospects in flexible optoelectronics.

Keywords: durability, graphene oxide, flexible electronics, silver nanowires, transparent electrodes

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Publication history
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Acknowledgements

Publication history

Received: 22 January 2019
Revised: 19 March 2019
Accepted: 28 March 2019
Published: 16 April 2019
Issue date: July 2019

Copyright

© Tsinghua University Press and Springer-Verlag GmbH Germany, part of Springer Nature 2019

Acknowledgements

Acknowledgements

The work is financially supported by the National Natural Science Foundation of China (Nos. 11890682, 11832010 and 51861165103).

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