Direct micro/nano metal patterning based on two-step transfer printing of ionic metal nano-ink

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We present a direct metal patterning method by a two-step transfer printing process of non-particle, ionic metal nano-ink solution. This fabrication method allows a simple direct patterning of various micro/nanoscale metallic structures. Complex structures such as multilayer line arrays, patterns along non-flat topologies, and micro/nanoscale hybrid patterns can be achieved by using this process. Also, the low temperature and pressure process conditions are compatible with the fabrication of electronic structures and devices on flexible substrates such as polyimide film and photographic papers. As an application of this process, we fabricated ZnO nanowire-based flexible UV sensors, where metal electrodes were fabricated by two-step transfer printing. In the case of ZnO nanowire sensors, highly sensitive and fast responding performances to UV illumination and good mechanical robustness against repeated bending conditions could be verified.
Publisher
IOP PUBLISHING LTD
Issue Date
2012-07
Language
English
Article Type
Article
Keywords

SOFT LITHOGRAPHY; FABRICATION; NANOWIRES; NANOPARTICLES; ELECTRONICS; ALIGNMENT; MANIPULATION; INTEGRATION; TRANSISTORS; GRAPHENE

Citation

NANOTECHNOLOGY, v.23, no.28

ISSN
0957-4484
DOI
10.1088/0957-4484/23/28/285301
URI
http://hdl.handle.net/10203/102604
Appears in Collection
ME-Journal Papers(저널논문)
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