Versatile, kinetically controlled, high precision electrohydrodynamic writing of micro/nanofibers

Direct writing of hierarchical micro/nanofibers have recently gained popularity in flexible/stretchable electronics due to its low cost, simple process and high throughput. A kinetically controlled mechanoelectrospinning (MES) is developed to directly write diversified hierarchical micro/nanofibers...

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Bibliographic Details
Published in:Scientific reports 2014-08, Vol.4 (1), p.5949-5949, Article 5949
Main Authors: Huang, YongAn, Duan, Yongqing, Ding, Yajiang, Bu, Ningbin, Pan, Yanqiao, Lu, Nanshu, Yin, Zhouping
Format: Article
Language:English
Subjects:
147/135
639/166
639/925
Electronics
Fabrication
Humanities and Social Sciences
Mechanical drawing
Morphology
multidisciplinary
Science
Silicon
Velocity
Viscosity
Writing
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Summary:Direct writing of hierarchical micro/nanofibers have recently gained popularity in flexible/stretchable electronics due to its low cost, simple process and high throughput. A kinetically controlled mechanoelectrospinning (MES) is developed to directly write diversified hierarchical micro/nanofibers in a continuous and programmable manner. Unlike conventional near-field electrospinning, our MES method introduces a mechanical drawing force, to simultaneously enhance the positioning accuracy and morphology controllability. The MES is predominantly controlled by the substrate speed, the nozzle-to-substrate distance and the applied voltage. As a demonstration, smooth straight, serpentine, self-similar and bead-on-string structures are direct-written on silicon/elastomer substrates with a resolution of 200 nm. It is believed that MES can promote the low-cost, high precision fabrication of flexible/stretchable electronics or enable the direct writing of the sacrificial structures for nanoscale lithography.
ISSN:2045-2322
2045-2322
DOI:10.1038/srep05949