Pathway to high throughput, low cost indium-free transparent electrodes

Andrew J. Stapleton; Soniya Yambem; Ashley H. Johns; Christopher T. Gibson; Cameron J. Shearer; Amanda V. Ellis; Joe G. Shapter; Gunther G. Andersson; Jamie S. Quinton; Paul L. Burn; Paul Meredith; David A. Lewis

doi:10.1039/C5TA03248B

Pathway to high throughput, low cost indium-free transparent electrodes†

Andrew J. Stapleton,^a Soniya Yambem,^b Ashley H. Johns,^a Christopher T. Gibson,^a Cameron J. Shearer,^a Amanda V. Ellis,^a Joe G. Shapter,^a Gunther G. Andersson,^a Jamie S. Quinton,^a Paul L. Burn,^b Paul Meredith^b and David A. Lewis*^a

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* Corresponding authors

^a Flinders Centre for NanoScale Science and Technology, Flinders University, GPO Box 2100, Adelaide, SA, Australia
E-mail: david.lewis@flinders.edu.au
Tel: +61 8 82017905

^b Centre for Organic Photonics & Electronics, The University of Queensland, Brisbane, Queensland, Australia

Abstract

A roll-to-roll compatible, high throughput process is reported for the production of highly conductive, transparent planar electrode comprising an interwoven network of silver nanowires and single walled carbon nanotubes imbedded into poly(3,4-ethylenedioxythiophene):polystyrene sulfonate (PEDOT:PSS). The planar electrode has a sheet resistance of between 4 and 7 Ω □⁻¹ and a transmission of >86% between 800 and 400 nm with a figure of merit of between 344 and 400 Ω⁻¹. The nanocomposite electrode is highly flexible and retains a low sheet resistance after bending at a radius of 5 mm for up to 500 times without loss. Organic photovoltaic devices containing the planar nanocomposite electrodes had efficiencies of ∼90% of control devices that used indium tin oxide as the transparent conducting electrode.

Journal of Materials Chemistry A

Pathway to high throughput, low cost indium-free transparent electrodes†

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Pathway to high throughput, low cost indium-free transparent electrodes

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