研究目的
Optimizing the electrical conductivity of screen printed silver conductive tracks by post-treatment methods.
研究成果
Post processing methods, including initial drying and post heat treatment, are dominant factors in optimizing electrical conductivity. Ambient drying followed by heat treatment yields the lowest resistance, but drying at 60°C for 10-30 minutes is nearly as effective and more time-efficient. Continuous heat treatment is superior to cyclic treatment.
研究不足
The study is preliminary, with limited understanding of the underlying mechanisms; long drying times at ambient temperature may be impractical for industrial applications.
1：Experimental Design and Method Selection:
The study evaluates the effect of post thermal treatment on electrical conductivity using different drying and heat treatment approaches.
2：Sample Selection and Data Sources:
Test samples are wavy conductive tracks printed on polyethylene terephthalate film substrates.
3：List of Experimental Equipment and Materials:
Semi-automatic screen printer (ASYS EKRA X1-SL), commercial silver particle-based ink, 325 mesh count stainless steel screens, polyethylene terephthalate film (125 microns thick), Fisher Scientific Isotemp oven, multimeter.
4：Experimental Procedures and Operational Workflow:
Printing of tracks, drying under various conditions (ambient temperature, 60°C, 120°C), post heat treatment at 120°C, resistance measurement using a multimeter.
5：Data Analysis Methods:
Comparison of resistance changes over time, statistical analysis of repeatability.
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