Journal
NANOTECHNOLOGY
Volume 34, Issue 10, Pages -Publisher
IOP Publishing Ltd
DOI: 10.1088/1361-6528/aca596
Keywords
ultra-high stability; exfoliated graphene; silver nanowires; colorless polyimide; OLED
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Transparent conductive films with high stability were developed by incorporating silver nanowires into colorless polyimide and adding a protective layer of exfoliated graphene. The resulting films demonstrated excellent light transmission, conductivity, and resistance to peeling, showcasing potential for use in organic electronic devices. Organic light-emitting diode devices utilizing this transparent conductive electrode exhibited comparable efficiency to indium tin oxide (ITO) based devices, with even higher efficiency at operating voltages exceeding 5 V.
Transparent conductive films with high stability were prepared by embedding silver nanowires in colorless polyimide and adding a protective layer of exfoliated graphene. The films exhibit great light transmission and conductivity with a sheet resistance of 22 omega sq(-1) at transmittance of 83%. Due to its special embedded structure, the conductive layer can withstand several peeling experiments without falling off. In addition, the most outstanding advantage is the ultra-high stability of the films, including high mechanical robustness, strong chemical corrosion resistance and high operating voltage capacity. The organic light-emitting diode devices prepared based on this transparent conductive electrode exhibit comparable efficiency to indium tin oxide (ITO) based devices, with C.E. (max) = 2.78 cd A(-1), P ( -1 ) .E. (max) = 1.89 lm W-1, EQE (max) = 0.89%. Moreover, the efficiencies were even higher than that of ITO devices when the operating voltage of the device exceeds 5 V. The above performances show that the transparent conductive electrode based on this structure has high potential for application in organic electronic devices.
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