Silver Nanowire Networks as a Transparent Printable Electrode for Organic Photovoltaic Cells

Karakawa, Makoto; Tokuno, Tatsuya; Nogi, Masaya; Aso, Yoshio; Suganuma, Katsuaki

doi:10.5796/electrochemistry.85.245

Cited by 8 publications

(4 citation statements)

References 34 publications

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“…Ag-NW composites offer a scalable process for large scale, flexible, conductive media, as used in e.g. integrated photovoltaics, touch screens, and flexible electronics 12–19 . The plasmonic effects of metallic nanoparticles and nanowires render them useful as advanced optoelectronic devices and biosensors 20–25 .…”

Section: Introductionmentioning

confidence: 99%

Functional Printing of Conductive Silver-Nanowire Photopolymer Composites

Glier

Akinsinde

Paufler

et al. 2019

Sci Rep

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We investigated the fabrication and functional behaviour of conductive silver-nanowire-polymer composites for prospective use in printing applications. Silver-nanowires with an aspect ratio of up to 1000 were synthesized using the polyol route and embedded in a UV-curable and printable polymer matrix. Sheet resistances in the composites down to 13 Ω/sq at an optical transmission of about 90% were accomplished. The silver-nanowire composite morphology and network structure was investigated by electron microscopy, atomic force microscopy, profilometry, ellipsometry as well as surface sensitive X-ray scattering. By implementing different printing applications, we demonstrate that our silver nanowires can be used in different polymer composites. On the one hand, we used a tough composite for a 2D-printed film as top contact on a solar cell. On the other hand, a flexible composite was applied for a 3D-printed flexible capacitor.

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Section: Introductionmentioning

confidence: 99%

Functional Printing of Conductive Silver-Nanowire Photopolymer Composites

Glier

Akinsinde

Paufler

et al. 2019

Sci Rep

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“…Because the haze associated with Ag-NW electrodes can be reduced to less than 3% due to such improvements, the performances of those electrodes will not be significantly degraded compared with the performances of conventional transparent electrodes 17 . Moreover, the large surface roughness of Ag-NW electrodes can be reduced to a few nanometers by synthesizing ultra-thin Ag NWs, applying a planarization layer with a sufficient thickness, or transferring the Ag NWs to a polymer substrate 18–20 .…”

Section: Introductionmentioning

confidence: 99%

Flexible, transparent patterned electrodes based on graphene oxide/silver nanowire nanocomposites fabricated utilizing an accelerated ultraviolet/ozone process to control silver nanowire degradation

Choo

Bae

Kim

2019

Sci Rep

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We developed flexible, transparent patterned electrodes, which were fabricated utilizing accelerated ultraviolet/ozone (UV/O 3 )-treated graphene oxide (GO)/silver nanowire (Ag-NW) nanocomposites via a simple, low-cost pattern process to investigate the feasibility of promising applications in flexible/wearable electronic and optoelectronic devices. The UV/O 3 process of the GO/Ag-NW electrode was accelerated by the pre-heat treatment, and the degradation interruption of Ag NWs was removed by the GO treatment. After the deposition of the GO-treated Ag NW electrodes, the sheet resistance of the thermally annealed GO-treated Ag-NW electrodes was significantly increased by using the UV/O 3 treatment, resulting in a deterioration of the GO-treated Ag NWs in areas exposed to the UV/O 3 treatment. The degradation of the Ag NWs caused by the UV/O 3 treatment was confirmed by using the sheet resistances, scanning electron microscopy images, X-ray photoelectron microscopy spectra, and transmittance spectra. While the sheet resistance of the low-density Ag-NW electrode was considerably increased due to the pre-thermal treatment at 90 °C for 10 min, that of the high-density Ag-NW electrode did not vary significantly even after a UV/O 3 treatment for a long time. The degradation interference phenomenon caused by the UV/O 3 treatment in the high-density Ag NWs could be removed by using a GO treatment, which resulted in the formation of a Ag-NW electrode pattern suitable for promising applications in flexible organic light-emitting devices. The GO treatment decreased the sheet resistance of the Ag-NW electrode and enabled the pattern to be formed by using the UV/O 3 treatment. The selective degradation of Ag NWs due to UV/O 3 treatment decreased the transparency of the Ag-NW electrode by about 8% and significantly increased its sheet resistance more than 100 times.

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“…Printed and flexible electronics are definitely promising cutting-edge electronic technologies of the future due to their low cost, solution processability and large-area production compared with traditional silicon-based electronics. They can offer a wide variety of applications such as organic light emitting diodes (OLEDs) [1,2] , photovoltaics (PVs) [3][4][5][6] , photodetectors (PDs) [7][8][9][10] , and thin film transistors (TFTs) [11][12][13][14] in our daily life (as shown in Fig. 1 [14][15][16][17] ).…”

Section: Introductionmentioning

confidence: 99%

Printable inorganic nanomaterials for flexible transparent electrodes: from synthesis to application

Wang¹,

Mei²,

Huang³

2018

J. Semicond.

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Printed and flexible electronics are definitely promising cutting-edge electronic technologies of the future. They offer a wide-variety of applications such as flexible circuits, flexible displays, flexible solar cells, skinlike pressure sensors, and radio frequency identification tags in our daily life. As the most-fundamental component of electronics, electrodes are made of conductive materials that play a key role in flexible and printed electronic devices. In this review, various inorganic conductive materials and strategies for obtaining highly conductive and uniform electrodes are demonstrated. Applications of printed electrodes fabricated via these strategies are also described. Nevertheless, there are a number of challenges yet to overcome to optimize the processing and performance of printed electrodes.

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Silver Nanowire Networks as a Transparent Printable Electrode for Organic Photovoltaic Cells

Cited by 8 publications

References 34 publications

Functional Printing of Conductive Silver-Nanowire Photopolymer Composites

Functional Printing of Conductive Silver-Nanowire Photopolymer Composites

Flexible, transparent patterned electrodes based on graphene oxide/silver nanowire nanocomposites fabricated utilizing an accelerated ultraviolet/ozone process to control silver nanowire degradation

Printable inorganic nanomaterials for flexible transparent electrodes: from synthesis to application

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