Highly efficient and low voltage silver nanowire-based OLEDs employing a n-type hole injection layer.

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Nanoscale, ISSN: 2040-3372, Vol: 6, Issue: 15, Page: 8565-70

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Lee, Hyungjin; Lee, Donghwa; Ahn, Yumi; Lee, Eun-Woo; Park, Lee Soon; Lee, Youngu
Royal Society of Chemistry (RSC); The Royal Society of Chemistry; ROYAL SOC CHEMISTRY
Materials Science; Electron injection; Light emitting diodes Device characteristics; Device performance; Hole injection layers; Low turn-on voltages; Mechanical flexibility; Organic light emitting diodes(OLEDs); Plastic substrates; Transparent conducting electrodes
article description
Highly flexible and efficient silver nanowire-based organic light-emitting diodes (OLEDs) have been successfully fabricated by employing a n-type hole injection layer (HIL). The silver nanowire-based OLEDs without light outcoupling structures exhibited excellent device characteristics such as extremely low turn-on voltage (3.6 V) and high current and power efficiencies (44.5 cd A(-1) and 35.8 lm W(-1)). In addition, flexible OLEDs with the silver nanowire transparent conducting electrode (TCE) and n-type HIL fabricated on plastic substrates showed remarkable mechanical flexibility as well as device performance.