1. note the effect of impurities in last sentence
2. note used graphene, not graphite, films were made from GO.
3.note ..ability to print graphene sheets onto large scale, flexible substrates..
4. ..the date 2009 review, being done in 2008, nearly 10 years ago
Received for review 2009
High Mobility, Printable, and Solution-Processed Graphene Electronics
ABSTRACT The ability to print graphene sheets onto large scale, flexible substrates holds promise for large scale, transparent electronics on flexible substrates. Solution processable graphene sheets derived from graphite can form stable dispersions in solutions and are amenable to bulk scale processing and ink jet printing. However, the electrical conductivity and carrier mobilities of this material are usually reported to be orders of magnitude poorer than that of the mechanically cleaved counterpart due to its higher density of defects, which restricts its use in electronics. Here, we show that by optimizing several key factors in processing, we are able to fabricate high mobility graphene films derived from large sized graphene oxide sheets, which paves the way for all-carbon post-CMOS electronics. All-carbon source-drain channel electronics fabricated from such films exhibit significantly improved transport
characteristics, with carrier mobilities of 365 cm2/(V·s) for hole and 281 cm2/(V·s) for electron, measured in air at room temperature.
In particular, intrinsic mobility as high as 5000 cm2/(V·s) can be obtained from such solution-processed graphene films when ionic screening is applied to nullify the Coulombic scattering by charged impurities.
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