Kim, Jihyeon Lim, Ju Won Mota, Filipe Marques Lee, Ji-Eun Boppella, Ramireddy Lim, Keun Yong Kim, Kyungkon Choi, Won Kook Kim, Dong Ha 2024-01-20T02:34:08Z 2024-01-20T02:34:08Z 2022-01-25 2016-12 2040-3364 https://pubs.kist.re.kr/handle/201004/123343 Transparent conductive electrodes (TCEs) are widely used in a wide range of optical-electronic devices. Recently, metal nanowires (NWs), e.g. Ag and Cu, have drawn attention as promising flexible materials for TCEs. Although the study of core-shell metal NWs, and the encapsulation/overcoating of the surface of single-metal NWs have separately been an object of focus in the literature, herein for the first time we simultaneously applied both strategies in the fabrication of highly stable Ag-Cu NW-based TCEs by the utilization of Ag nanoparticles covered with reduced graphene oxide (rGO). The incorporation of Ag nanoparticles by galvanic displacement reaction was shown to significantly increase the long term stability of the electrode. Upon comparison with a CuNW reference, our novel rGO/Cu-AgNW-based TCEs unveiled remarkable opto-electrical properties, with a 3-fold sheet resistance decrease (from 29.8 Omega sq(-1) to 10.0 Omega sq(-1)) and an impressive FOM value (139.4). No detrimental effect was noticed in the relatively high transmittance value (T = 77.6% at 550 nm) characteristic of CuNWs. In addition, our rGO/Cu-AgNW-based TCEs exhibited outstanding thermal stability up to 20 days at 80 degrees C in air, as well as improved mechanical flexibility. The superior performance herein reported compared with both CuNWs and AgNWs, and with a current conventional ITO reference, is believed to highlight the great potential of these novel materials as promising alternatives in optical-electronic devices. English ROYAL SOC CHEMISTRY Reduced graphene oxide wrapped core-shell metal nanowires as promising flexible transparent conductive electrodes with enhanced stability Article 10.1039/c6nr05460a 1 NANOSCALE, v.8, no.45, pp.18938 - 18944 NANOSCALE 8 45 18938 18944 N scie scopus 000387859800015 2-s2.0-84996549446 Chemistry, Multidisciplinary Nanoscience & Nanotechnology Materials Science, Multidisciplinary Physics, Applied Chemistry Science & Technology - Other Topics Materials Science Physics Article LIGHT-EMITTING-DIODES CARBON NANOTUBE FILMS POLYMER SOLAR-CELLS COPPER NANOWIRES SILVER NANOWIRE HIGHLY TRANSPARENT SURFACE-ROUGHNESS LONG AG FABRICATION