Study on Pseudo-Biological Highly Performance Capillary-welded Hybrid Diameters Silver Nanowires Transparent Electrodes for Optoelectronic Devices

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Study on Pseudo-Biological Highly Performance Capillary-welded Hybrid Diameters Silver Nanowires Transparent Electrodes for Optoelectronic Devices

July 20, 2021 Engineering 0

In the field of optoelectronic devices, graphene/silver nanowire composite sheets have a lot of potential as transparent conductive electrodes. Antioxidant and junction resistance reduction have been two main factors in silver nanowire electrode research so far. A pseudo-biologically inspired structure for transparent electrodes was presented in this research by coupling a hybrid diameter silver nanowire network with a passivation layer made of chemical vapour deposition-grown (CVD-grown) graphene. For the creation of capillary forces at the liquid bridge, an environmentally benign liquid, deionized water, was chosen, hence improving the wire junction problem. In comparison to silver nanowi With a sheet resistance of 26.4/sq and a transmittance of 91.4 percent at 550nm, the value of the figure of merit (FoM) of the graphene/silver nanowire composite film increased by 69.6%. Additionally, graphene was used as an encapsulating layer to preserve silver nanowires from oxidation while increasing electrical properties, making the composite films promising as electrodes for underwater optoelectronic devices or as a potential development in high humidity conditions. The capillary-welded silver nanowire/graphene composite film was also used as the substrate. To make organic light-emitting diode (OLED) devices, a transparent anode is used. The devices emitted green electroluminescence at 516 nm, with a turn-on voltage of around 3.8 V and a maximum brightness of 50810 cd/cm2, which is higher than ITO-based devices of the same configuration. As a result, this new silver nanowires/graphene electrode holds a lot of promise for optoelectronic device applications.

Author(s) Details

Lianqiao Yang
Key Laboratory of Advanced Display and System Applications, Ministry of Education, Shanghai University, Yanchang Road 149, Shanghai 200072, China.

Pengchang Wang
Key Laboratory of Advanced Display and System Applications, Ministry of Education, Shanghai University, Yanchang Road 149, Shanghai 200072, China.

Yiru Li
Key Laboratory of Advanced Display and System Applications, Ministry of Education, Shanghai University, Yanchang Road 149, Shanghai 200072, China.

Jianhua Zhang

Key Laboratory of Advanced Display and System Applications, Ministry of Education, Shanghai University, Yanchang Road 149, Shanghai 200072, China.

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