期刊
ACS APPLIED NANO MATERIALS
卷 1, 期 5, 页码 2249-2260出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsanm.8b00255
关键词
silver nanowires; pristine graphene; silver nanowire films; conductive films; graphene films; transparent electrodes
资金
- Australian research Council
- ARC Research Hub for Graphene Enabled Industry Transformation, under Industrial Transformation Research Hub [IH150100003]
- High Education Ministry of Saudi Arabia
One-dimensional (1D) silver nanowires (AgNWs) have emerged as a leading candidate for the development of next-generation optoelectronic and wearable electronic devices. However, a key limitation of AgNW electrodes is that they are readily oxidized, resulting in a shift in properties leading to devices becoming erratic over time. To address this problem, we report a facile method to improve both the stability and performance of AgNW films. The AgNWs were combined with pristine graphene (pG) using an optimal (30/70 wt %) with the goals to prove that the pG sheets can provide a barrier shielding to protect against AgNW oxidation and have the additional benefit of improving the connections between wires and stability of the films. The fabrication of these films was demonstrated on wide range of substrates including glass, plastic, textile, and paper. A surface resistance of 18.23 Omega/sq and an optical transparency of 89% were obtained on the glass substrates, 50 Omega/sq and 88% transparency for poly(ethylene terephthalate) (PET), and 0.35 Omega/sq resistance on the textile substrate. Atmospheric pressure plasma jets (APPJ) treatment was further used to enhance the performance of the film (i.e., glass), resulting in a significant reduction of 30.6% in sheet resistance (15.20 Omega/sq) and an improvement of transparency to 91%. The stability of AgNW/pG film under environmental conditions and higher temperatures was significantly improved, showing only a minor increase in the sheet resistance after 30 days and at temperature increases up to 300 degrees C when compared with control (AgNW film) which shows a sharp increase after 8-10 days and is thermally stable until 150 degrees C as a result of Ag oxidation.
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