High performance transparent electrodes combining graphene with Joule-heated welded silver nanowires

Various low-dimensional materials are widely used in many fields, such as electroluminescent devices, sensors, solar cells and so on. Among these candidates, silver nanowire-based electrodes stand out due to their excellent optoelectronic properties. In this paper, silver nanowire composite electrod...

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Bibliographic Details
Published in:Molecular Crystals and Liquid Crystals 2022-06, Vol.733 (1), p.61-68
Main Authors: Zhang, Jianhua, Li, Yiru, Yang, Lianqiao
Format: Article
Language:English
Subjects:
Chemical vapor deposition
Conductivity
Electrodes
Electroluminescence
Graphene
Joule-heating
Nanowires
Optoelectronics
Photovoltaic cells
silver nanowire
Solar cells
Transparent electrode
Welding
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Summary:Various low-dimensional materials are widely used in many fields, such as electroluminescent devices, sensors, solar cells and so on. Among these candidates, silver nanowire-based electrodes stand out due to their excellent optoelectronic properties. In this paper, silver nanowire composite electrodes were welded by Joule-heating to prepare transparent conductive electrodes with high-quality graphene. When the concentration of silver nanowires is 3 mg/ml, the FoM of the composite electrode is at a maximum of more than 100. Joule heat welding can effectively and accurately solve the knotting problem of silver nanowires and greatly improve the conductivity of the films. Subsequently, high-quality graphene was grown by chemical vapor deposition method. The graphene layer improved the conductivity and effectively prevented the formation of AgO or Ag 2 O. Furthermore, the heat dissipation capability of graphene/silver nanowires electrodes is significantly better than that of ITO electrodes.
ISSN:1542-1406
1563-5287
1527-1943
DOI:10.1080/15421406.2021.1971852