在柔性多孔基板上直接打印电子产品
Bheema Sankar Reddy1, Chandantaru Dey Modak1, Deepak Sharma1
1Centre for Nanoscience and Engineering (CeNSE), Indian Institute of Science, Bangalore, Karnataka, India.
Small (Weinheim an der Bergstrasse, Germany)
|February 2, 2026
概括
滴冲击打印 (DIP) 能够在灵活的电子产品的多孔基板上沉积高度的油墨. 这种无喷嘴的方法提高了设备的性能和耐用性,为先进的可穿戴传感器和储能解决方案铺平了道路.
科学领域:
- 材料科学 材料科学 材料科学
- 灵活的电子 灵活的电子
- 纳米技术纳米技术
背景情况:
- 纸张和织物等多孔基板对于灵活的电子产品至关重要,因为它们具有独特的特性.
- 在多孔基板上制造柔性电子产品的挑战包括油墨扩散和溶剂透.
- 现有的方法难以在未经处理的多孔材料上进行大规模,高性能的制造.
研究的目的:
- 引入滴冲击印刷 (DIP) 作为一种新的无喷嘴技术,用于将缩油墨沉积在多孔基板上.
- 为了证明DIP能够克服制造挑战并增强灵活电子设备的性能.
- 展示DIP在制造高性能微超电容器和湿度传感器中的应用.
主要方法:
- 利用滴冲击打印 (DIP) 来精确地将微滴喷射到未经处理的多孔基板上.
- 采用高度缩的油墨 (重量负载高达70%),以提高颗粒的保留和导电性.
- 研究了冲击机制以减少横向油墨扩散和基板胀.
主要成果:
- DIP显著减少了油墨的传播和透,保持了基板的特性.
- 使用70%质量负荷制造的微型超级电容器在高扫描速率下显示面积容量增加了41倍.
- 湿度传感器在较高油墨度 (10%至55%) 的情况下,反应增加了60%左右.
- 展示了完全通过DIP制造的集成,自动供电和无线湿度传感系统.
结论:
- 滴滴冲击印刷是一种可行且有效的方法,用于在多孔基板上制造高性能柔性电子产品.
- DIP提高了设备的导电性,机械耐用性和传感能力.
- 开发的技术显示了在可穿戴健康监测器和环境传感等现实应用领域的巨大潜力.
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