Abstract
Multi-nozzles printing processing with fabricating functional material film lays the foundation for the development of efficient scale production of photoelectric device. However, a prominent challenge is how to realize the volume uniformity of the droplets. Here, a classical analysis method is introduced firstly by printing poly(3,4-ethylenedioxythiophene)/poly(styrenesulfonate)(PEDOT:PSS) to analyze the behavior of droplets. It relies on variance calculation for clarification the law of implicit behavior of droplets in terms of digitize. This method reveals the effect of printing parameters on the uniformity of the volume of droplets in multi-nozzles printing. Overall, combining both ink formulations and printing parameters optimization, it is concluded that the minimum volume variance of nozzles with different numbers is less than 0.5% and the influence of various parameters in multi-nozzles printing is found to be ranked.. The feasibility of this analysis method is presented and of great significance to achieve high-stable and large-scale multi-nozzles printing device.
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