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Drop impact printing
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OA
AI
DOI：10.1038/s41467-020-18103-6.png)
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摘要
En 中文
Hydrodynamic collapse of a central air-cavity during the recoil phase of droplet impact on a superhydrophobic sieve leads to satellite-free generation of a single droplet through the sieve. Two modes of cavity formation and droplet ejection have been observed and explained. The volume of the generated droplet scales with the pore size. Based on this phenomenon, we propose a drop-on-demand printing technique. Despite significant advancements in inkjet technology, enhancement in mass-loading and particle-size have been limited due to clogging of the printhead nozzle. By replacing the nozzle with a sieve, we demonstrate printing of nanoparticle suspension with 71% mass-loading. Comparatively large particles of 20 mu m diameter are dispensed in droplets of similar to 80 mu m diameter. Printing is performed for surface tension as low as 32 mNm(-1) and viscosity as high as 33 mPa.s. In comparison to existing techniques, this way of printing is widely accessible as it is significantly simple and economical.
Keyword:
EXPERIMENTAL PARAMETERS
INKJET
OPTIMIZATION
FABRICATION
JET
AI总结
对已上传原文的论文进行重点信息的提取，主要内容包括：简要概述、研究摘要、背景介绍、关键亮点、图文解析、展望与总结。
期刊
IF:
15.7
论文数:
9.3W
被引数:
91.2W
机构
引用论文
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MATERIALS & DESIGN
MATERIALS & DESIGNIF7.9
PREAI
分享收藏分享收藏Direct printing of nanostructures by electrostatic autofocussing of ink nanodropletsNATURE COMMUNICATIONS
OAAI
NATURE COMMUNICATIONSIF15.7
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