NDLI: Direct fabrication and morphology of metallic micropatterns by pulsed jet nanoelectrospraying of silver nano-ink

Content Provider	Springer Nature Link
Author	Wang, Ke Stark, John P. W.
Copyright Year	2011
Abstract	A pulsed jet nanoelectrospray technique was applied to direct fabrication of silver micropatterns. The deposition of a commercial organic silver nano-ink was performed in a fully voltage-controlled fashion by voltage pulses ranging from 550 to 800 V with variable durations. By using 15 μm nozzles, patterns with 100-μm-sized features were locally freeformed on a silicon substrate with a spraying distance of 250 μm. An energy-dispersive X-ray spectrum confirmed metallic silver was developed in all the patterns after heat treatment at 220°C. The size and microstructural evolution of silver films was observed to strongly depend on the deposition volume and material flow over substrate surface. A good linear relationship between the deposition volume and pulse duration was exhibited over the applied voltage range in the cone-jet mode, demonstrating a drop-on-demand capability. By fitting, the deposition volume rate was estimated to be in the range of 0.38–0.59 pL/ms and was shown to increase with the applied voltage.
Starting Page	317
Ending Page	322
Page Count	6
File Format	PDF
ISSN	15470091
Journal	JCT Research
Volume Number	9
Issue Number	3
e-ISSN	19353804
Language	English
Publisher	Springer US
Publisher Date	2011-10-05
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Nanoelectrospray technique Flexible jet printing Freeform prototyping Microfabrication Surface encapsulation Materials Science Surfaces and Interfaces, Thin Films Tribology, Corrosion and Coatings Industrial Chemistry/Chemical Engineering Polymer Sciences
Content Type	Text
Resource Type	Article
Subject	Chemistry Surfaces, Coatings and Films Colloid and Surface Chemistry Surfaces and Interfaces

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