Surface Energy Engineered, High-Resolution Micropatterning of Solution-Processed Reduced Graphene Oxide Thin Films

Fast and reproducible patterning of high‐resolution rGO microstructures over a large area directly on various substrates by modulating the surface energy is reported. The pattern formation of rGO thin films is based on the difference in the adhesion strength between the mold/rGO and rGO/substrates i...

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Bibliographic Details
Published in:Advanced materials (Weinheim) 2013-02, Vol.25 (6), p.894-898
Main Authors: Kim, Nam Hee, Kim, Beom Jun, Ko, Yeongun, Cho, Jeong Ho, Chang, Suk Tai
Format: Article
Language:English
Subjects:
Adhesive strength
Electrodes
Graphene
Graphite - chemistry
micropatterning
Molds
OFETs
Oxides
Oxides - chemistry
Patterning
reduced graphene oxide
Semiconductors
Solutions - chemistry
Surface energy
Thermodynamics
Thin films
work of adhesion
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Summary:Fast and reproducible patterning of high‐resolution rGO microstructures over a large area directly on various substrates by modulating the surface energy is reported. The pattern formation of rGO thin films is based on the difference in the adhesion strength between the mold/rGO and rGO/substrates interfaces. Such highly defined rGO micropatterns are applied as electrodes for high‐performance flexible and transparent OFETs.
ISSN:0935-9648
1521-4095
DOI:10.1002/adma.201203881