Abstract
Silver nanowires whose diameters could be controlled in the range of 15–30 nm and lengths up to ∼20 μm were prepared by the high-pressure polyol method. The first step involved the formation of Ag nanoparticles by reducing silver nitrate in the presence of NaCl and KBr with ethylene glycol. At the growing step, the adjustable reaction pressure controls the diameter of the silver nanowires, which were in the range 15–22 nm when the pressure was 200 psi. These Ag nanowires showed an electrical conductivity of 0.4 × 105 S/cm, and the intensity of scattered light and the optical transmittance were largely improved.
Highlights
Flexible organic electronic devices such as organic light-emitting diodes (OLEDs) and organic photovoltaics (OPVs) are receiving growing interest.1–5 These devices require the use of a transparent electrode to allow photons to efficiently enter or exit the devices and to simultaneously enable the extraction or injection of charge carriers
Xia et al.11,12 have demonstrated the synthesis of Ag nanowires (Ag NWs) 30–60 nm in diameter by using a solution-phase polyol process
The flexibility in the Ag NWs films has been reported to be better than that of indium tin oxide (ITO). This sheet resistance of Ag NW networked films almost matched the properties of the ITO films in their electrical performance; in view of their optical performance, their transmittance was generally lower than that of ITO films
Summary
Flexible organic electronic devices such as organic light-emitting diodes (OLEDs) and organic photovoltaics (OPVs) are receiving growing interest.1–5 These devices require the use of a transparent electrode to allow photons to efficiently enter or exit the devices and to simultaneously enable the extraction or injection of charge carriers.
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