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Planar silver nanowire, carbon nanotube and PEDOT:PSS nanocomposite transparent electrodes

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ABSTRACT

Highly conductive, transparent and flexible planar electrodes were fabricated using interwoven silver nanowires and single-walled carbon nanotubes (AgNW:SWCNT) in a PEDOT:PSS matrix via an epoxy transfer method from a silicon template. The planar electrodes achieved a sheet resistance of 6.6 ± 0.0 Ω/□ and an average transmission of 86% between 400 and 800 nm. A high figure of merit of 367 Ω−1 is reported for the electrodes, which is much higher than that measured for indium tin oxide and reported for other AgNW composites. The AgNW:SWCNT:PEDOT:PSS electrode was used to fabricate low temperature (annealing free) devices demonstrating their potential to function with a range of organic semiconducting polymer:fullerene bulk heterojunction blend systems.

No MeSH data available.


(a) Height and (b) peak force current map of planarized AgNW:SWCNT electrode surface with a bias voltage of 2 V.
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Figure 5: (a) Height and (b) peak force current map of planarized AgNW:SWCNT electrode surface with a bias voltage of 2 V.

Mentions: PF-TUNA provides evidence of the ability for SWCNTs to contribute to the charge collecting ability of the nanocomposite electrode as a secondary charge-collecting network. Figure 5(a) shows the height image of the planarized electrode surface where a silver nanowire is observed crossing the top right hand quadrant of the image. Figure 5(b) shows the peak force current map of the planarized electrode surface at a 2 V applied bias. It is apparent from figure 5(b) that the SWCNTs are electrically connected to the AgNW and are present in a significant density at the surface of the electrode. Importantly, the SWCNTs and AgNWs are not covered by any significant amount of the epoxy that is used as an adhesive layer to adhere the AgNW:SWCNT network to a glass substrate. When PEDOT:PSS was not used to fill the gaps in the AgNW:SWCNT network the electrode became resistive and no AgNWs were able to be identified in the current map of the surface.


Planar silver nanowire, carbon nanotube and PEDOT:PSS nanocomposite transparent electrodes
(a) Height and (b) peak force current map of planarized AgNW:SWCNT electrode surface with a bias voltage of 2 V.
© Copyright Policy - open-access
Related In: Results  -  Collection

License 1 - License 2
Show All Figures
getmorefigures.php?uid=PMC5036479&req=5

Figure 5: (a) Height and (b) peak force current map of planarized AgNW:SWCNT electrode surface with a bias voltage of 2 V.
Mentions: PF-TUNA provides evidence of the ability for SWCNTs to contribute to the charge collecting ability of the nanocomposite electrode as a secondary charge-collecting network. Figure 5(a) shows the height image of the planarized electrode surface where a silver nanowire is observed crossing the top right hand quadrant of the image. Figure 5(b) shows the peak force current map of the planarized electrode surface at a 2 V applied bias. It is apparent from figure 5(b) that the SWCNTs are electrically connected to the AgNW and are present in a significant density at the surface of the electrode. Importantly, the SWCNTs and AgNWs are not covered by any significant amount of the epoxy that is used as an adhesive layer to adhere the AgNW:SWCNT network to a glass substrate. When PEDOT:PSS was not used to fill the gaps in the AgNW:SWCNT network the electrode became resistive and no AgNWs were able to be identified in the current map of the surface.

View Article: PubMed Central - PubMed

ABSTRACT

Highly conductive, transparent and flexible planar electrodes were fabricated using interwoven silver nanowires and single-walled carbon nanotubes (AgNW:SWCNT) in a PEDOT:PSS matrix via an epoxy transfer method from a silicon template. The planar electrodes achieved a sheet resistance of 6.6 ± 0.0 Ω/□ and an average transmission of 86% between 400 and 800 nm. A high figure of merit of 367 Ω−1 is reported for the electrodes, which is much higher than that measured for indium tin oxide and reported for other AgNW composites. The AgNW:SWCNT:PEDOT:PSS electrode was used to fabricate low temperature (annealing free) devices demonstrating their potential to function with a range of organic semiconducting polymer:fullerene bulk heterojunction blend systems.

No MeSH data available.