Abstract
Abstract We report on highly transparent conductive hybrid thin-films based on copper (Cu)-mesh structures combined with conductive polymer films. The hybrid films show outstanding optical and electrical properties (transmittance of 81.7% at a wavelength of 550 nm, sheet resistance of 71.3 Ω/sq). The effective current collecting property of metal mesh structures as well as the excellent current spreading property of the conducting polymer enables the high performance of the hybrid transparent electrodes. Organic light-emitting diodes (OLEDs) employing the hybrid transparent electrodes result in 2.0-fold enhanced current and power efficiencies, compared to the control polymer electrode-based OLED without current collecting metal mesh structures. The results present that Cu-mesh structures combined with conductive polymer films show great promise for applications in low-cost, flexible indium tin oxide-free OLEDs.
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