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首页> 外文期刊>Journal of Physics, D. Applied Physics: A Europhysics Journal >Invisible metal-grid transparent electrode prepared by electrohydrodynamic (EHD) jet printing
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Invisible metal-grid transparent electrode prepared by electrohydrodynamic (EHD) jet printing

机译：通过电液动力学（EHD）喷射印刷制备的不可见金属网格透明电极

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摘要

Invisible Ag-grid transparent electrodes (TEs) were prepared by electrohydrodynamic (EHD) jet printing using Ag nano-particle inks. Ag-grid width less than 10 μm was achieved by the EHD jet printing, which was invisible to the naked eye. The Ag-grid line-to-line distance (pitch) was modulated in order to investigate the electrical and optical properties of the EHD jet-printed Ag-grid TEs. The decrease in the sheet resistance at the expense of the transmittance was observed as the Ag-grid pitch decreased. The figure of merit of Ag-grid TEs with various Ag-grid pitches was investigated in order to determine the optimum pitch condition for both electrical and optical properties. With the 150 μm Ag-grid pitch, the EHD jet-printed Ag-grid TE has the sheet resistance of 4.87 Ω sq~(-1) and the transmittance of 81.75% after annealing at 200 °C under near-infrared. Ag filling factor (FF) was defined to predict the electrical and optical properties of Ag-grid TEs. It was found that the measured electrical and optical properties were well simulated by the theoretical equations incorporating FF. The EHD jet-printed invisible Ag-grid TE with good electrical and optical properties implies its promising application to the printed optoelectronic devices.
机译：使用银纳米粒子墨水通过电液动力学（EHD）喷射印刷制备不可见的Ag网格透明电极（TEs）。通过EHD喷射印刷获得的银栅宽度小于10μm，肉眼看不到。为了研究EHD喷射印刷的Ag-grid TE的电学和光学特性，对Ag-grid的线到线距离（间距）进行了调制。随着Ag栅格间距的减小，观察到以透射率为代价的薄层电阻的减小。研究了具有各种Ag-grid间距的Ag-grid TE的品质因数，以确定电学和光学性能的最佳间距条件。 EHD喷印的Ag-grid TE具有150μm的Ag-grid间距，其薄层电阻为4.87Ωsq〜（-1），在近红外下于200°C退火后的透射率为81.75％。定义了Ag填充因子（FF）以预测Ag-grid TEs的电学和光学性质。发现通过结合FF的理论方程很好地模拟了所测量的电学和光学性质。具有良好电学和光学性能的EHD喷墨印刷不可见Ag-grid TE意味着其在印刷光电设备中的应用前景广阔。

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