Aligned silver nanowire-based transparent electrodes for engineering polarisation-selective optoelectronics

Scientific Reports
Byoungchoo ParkYoon Ho Huh

Abstract

We herein report on a remarkably simple, fast, and economic way of fabricating homogeneous and well oriented silver nanowires (AgNWs) that exhibit strong in-plane electrical and optical anisotropies. Using a small quantity of AgNW suspension, the horizontal-dip (H-dip) coating method was applied, in which highly oriented AgNWs were deposited unidirectionally along the direction of coating over centimetre-scale lengths very rapidly. In applying the H-dip-coating method, we adjusted the shear strain rate of the capillary flow in the Landau-Levich meniscus of the AgNW suspension, which induced a high degree of uniaxial orientational ordering (0.37-0.43) of the AgNWs, comparable with the ordering seen in archetypal nematic liquid crystal (LC) materials. These AgNWs could be used to fabricate not only transparent electrodes, but also LC-alignment electrodes for LC devices and/or polarising electrodes for organic photovoltaic devices, having the potential to revolutionise the architectures of a number of polarisation-selective opto-electronic devices for use in printed/organic electronics.

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Citations

Jul 21, 2016·ACS Applied Materials & Interfaces·Hang HuTao Deng
Oct 26, 2018·Advanced Materials·Jin-Long WangShu-Hong Yu
Dec 18, 2019·Chemical Society Reviews·Hebing HuYi Long
Mar 11, 2017·Nanotechnology·Yaozhong ZhangJunghoon Yeom
Aug 29, 2019·ACS Omega·Ruixin BianHuan Liu
Dec 18, 2021·ACS Nano·Byron Llerena ZambranoJános Vörös

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Methods Mentioned

BETA
scanning electron microscopy
atomic force microscopy
optical microscopy
polarised microscopy
AFM

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