Journal
ACS NANO
Volume 4, Issue 10, Pages 5749-5754Publisher
AMER CHEMICAL SOC
DOI: 10.1021/nn101463j
Keywords
patterning graphene oxide; wettability; spin-coating; organic transistor; sensors
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Funding
- National Natural Science Foundation of China [60911130231, 60736004, 20825208, 20973184, 60901050, 20421101]
- Major State Basic Research Development Program [2006CB806203, 2006CB932103, 209CB623603]
- Chinese Academy of Sciences
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A general route was demonstrated to realize the patterning of reduced graphene oxide sheets (RGOs) on a variety of substrates by a combination of modulating the solution wettability of the substrates and spin-coating process. By virtue of usual surface treatment technique or application of mixed solvent, the GO solution wettability can be controlled precisely. The wettability modulation combined with spin-coating and reducing process brings on patterning of RGOs. This simple but effective, general, and low-cost approach holds great promise for numerous potential applications in organic electronics, flexible transparent conducting thin films, and flexible semi-transparent sensors.
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